Trending November 2023 # How To Convert Old Movies To Digital Format # Suggested December 2023 # Top 13 Popular

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How to convert old movies to digital format

There are plenty of software and hardware tools that you can use to convert old movies to digital.

For example, with a good video editor from Adobe’s suite you will digitize your old videos in just a few minutes.

You can also try digitizing your old beloved VHS tapes with a great VHS-to-DVD software.

Check out this comprehensive guide for more solutions to convert

old movies to digital with ease.

Do you have some old recorded VHS movies gathering dust that need converting to digital DVD format? If that’s the case, there are three ways you can convert antiquated analog video movies to DVD.

First, note that old movies does not mean copyrighted films. It’s illegal to copy copyrighted VHS films to DVDs. However, it’s fine to convert your own recorded VHS movies to a digital format.

We have compiled a list of solutions for you to be able to convert old movies to digital format, so keep reading!

How can I convert old movies to digital format? 1. Use Adobe Premiere Pro

If you are wondering how to convert old movies to digital, then you should know already that Adobe Premiere Pro is an industry-leading timeline-based video editor and converter.

This amazing software can be used to do pretty much whatever you want with a video file. In the case at hand, the program can even be used for digitizing analog video.

More so, the program can be used to compile and edit videos from scratch, add special effects, filters, soundtracks, and more.

Adobe Premiere Pro

Your memories on the old tapes are now saved. Adobe Premiere Pro lets you convert old movies to digital in just a few steps, so try it out!

Free trialVisit website

How do I digitize analog video with Adobe Premiere Pro?

Connect the analog device’s video and audio outputs to the digital device’s analog inputs.

If the digital device is an external digitizer, deck, or camcorder:

Connect its FireWire or SDI port to PCs.

If the third-party digital device is a digitizer with device controls:

Connect its device control port with the same type of port on the analog device.

Turn on the analog source and the digitizing device.

If the digitizing device is a camcorder, set it to VTR, VCR, or Play mode.

Set the input selection control on the digitizing device to the proper analog input.

Now that you’ve connected the device properly, it is time to go to the actual conversion phase:

Start Adobe Premiere Pro.

When the Welcome screen appears, do one of the following:

To start a new project using a capture card:

Select the capture card’s preset from the Load Preset pane.

To open an existing project using a capture card:

Select an existing project that was set up with the capture card’s preset.

To start a new project using an external device, such as a camcorder or deck, to digitize:

Select a DV or HDV preset that matches your target television standard and format.

To open an existing project using an external device, such as a camcorder or deck, to digitize:

Select an existing project that was set up with the correct DV or HDV preset.

Now that you’ve set up Adobe Premiere Pro, it is time to choose what to do with the old video:

Go to File, and select Capture.

In the Capture panel, carefully check the settings on the Settings pane.

Do one of the following:

If the digital device offers no device control:

Cue up your source using the analog device’s own controls.

Press Play on the analog device.

If the digital device offers device control:

Capture or log footage using the Capture panel’s controls, as you would with a digital source.

2. Take the video to an alternative VHS-to-DVD conversion service

If you have just one or two VHS videos to convert to DVD, it’s probably better to take them to a VHS-to-DVD conversion service such as those provided by Walmart.

Walmart will convert a two-hour VHS video to DVD with chapter menus and music video highlights at a good price. You can find further details at this web page.

However, there are plenty of alternatives to Walmart, like Southtree or Costco.

As you’ll still need some extra software and hardware to convert an old movie yourself, the conversion services might be a better alternative.

3. Convert the VHS movie to disc with a VHS-DVD combo player

It might be more economical to convert lots of VHS videos (perhaps 10 or more) to disc yourself with a VHS-DVD combo player.

Expert tip:

Converting a VHS video to digital versatile disc is straightforward with a VHS-DVD combo player. Just insert the VHS cassette and a blank, rewritable DVD in the VHS-DVD player.

Then press the record button on the DVD side and the play button for the VHS video – or the combo player might have a direct dubbing option.

That’s all there is to it usually, but some VHS-DVD combo players might have more unique settings. So check the manual first before converting VHS to DVD.

4. Convert the old movie with a VHS to DVD software

VHS to DVD software that comes with a digital-to-analog converter is an alternative to VHS-DVD combo players.

That software enables you to convert VHS to digital format by connecting a desktop or laptop to your old VHS player with a digital-to-analog converter like the one shown directly below.

The best VHS to DVD programs will include a video editor, and options to burn the captured video to disc.

As such, you can enhance the footage with the software by removing some content from it and adding transitions and other effects.

Diamond One-Touch Video Capture VC500 for Windows and Mac is one of the best VHS and DVD programs for Windows, and it comes with software to burn videos to DVD.

This is how you can convert an old movie to digital format with this software:

First, connect your desktop or laptop to the VHS player with the digital-to-analog converter cables that came with the software.

Insert the USB end into the laptop’s or desktop’s USB slot, and the red, white and yellow RCA cables to the matching colored outputs on the VCR (videocassette recorder) player.

If your VHS video is dusty, dust it down, and insert the cassette in the VCR player.

Open your recording software in Windows and press its recording option.

Next, play the VHS tape on the VCR player.

When the video finishes, stop the recording software.

Then stop the video on the VCR. Now your old movie is a digital video!

Insert a blank, rewritable DVD in your laptop’s or desktop’s disc drive, and you’ll need an external DVD drive if it doesn’t have one.

You can add the captured video to the disc with the software’s DVD burner tool for imported files.

However, you could also use software such as Windows DVD Maker for adding the video to the disc.

So that’s how you can convert old movies to digital format for playback on DVD. When you’ve converted the videos, you can toss away those dusty VHS tapes that had piled up and watch the movies in digital format.

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How To Use Dbms_Xplan With Its Format

Introduction to DBMS_XPLAN

Hadoop, Data Science, Statistics & others

What is DBMS_XPLAN?

The DBMS_XPLAN is the package in which it has been used to display the simple output by using the ‘EXPLAIN PLAN’ command, which has its predefined format. Furthermore, it has an Automated Workload Repository repository, so this package has also been used to show its content. It can also be used to show the execution plan and its runtime, which can be used for statistics in SQL.

We can also say it is a method that can be used for questioning and showing the ‘explain plan output. It can also display the statement set aside in the Automatic Workload Repository, or we can say that from the SQL tuning set. Furthermore, it also sets aside the SQL execution plan and runtime statistics for cached SQL cursors and can plan a baseline of the SQL plan. Finally, it uses a query “Select * From table (dbms_xplan.display)” to show and configure the content of the plan table.

How to Use DBMS_XPLAN?

Let us see the use of DBMS_XPLAN:

1. Overview

The DBMS_XPLAN package has provided four functions. First is the ‘DISPLAY’ function, which has been used to configure and present the content of the plan table, and the second is the ‘DISPLAY_CURSOR’ which has been used to configure and set out the content of an execution plan. The third one is the ‘DISPLAY_AWR’ which can be used for configuration and set out the content of the implementation plan of SQL statement, which we can get in AWR. Finally, the fourth is ‘DISPLAY_SQLSET,’ which has been used to format and show the contents implementing a plan of statements in the SQL tuning set.

2. Security Model

Using the ‘DISPLAY_AWR’ function requires the user to have SELECT the benefit of the DBA_HIST_SQL_PLAN, DBA_HIST_SQLTEXT, and V$DATABASE.

The ‘DISPLAY_SQLSET’ has been used to call the user who has rights on ALL_SQLSET_STATEMENTS and ALL_SQLSET_PLANS.

3. Example

Let us see an example of showing the plan table by using DBMS_XPLAN.DISPLAY.

First, we must execute an explain plan command over the SELECT statement.

Code:

EXPLAIN PLAN FOR SELECT * FROM stu s, sec t WHERE s.secno = t.secno AND s.sname='benoit';

And then, it shows a plan using the ‘DBMS_XPLAN.DISPLAY’ function, and we can get the output.

SET LINESIZE 120 SET PAGESIZE 0 SELECT * FROM table(DBMS_XPLAN.DISPLAY); DBMS_XPLAN File

The DBMS_XPLAN has a trace file that can be used for tracing the statements and creating the tkprof of the trace and in which tkprof is a necessary thing to check the performance issues; basically, it can configure the trace file into the readable format for analyzing the performance in which file take part in performance tuning.

DBMS_XPLAN Format

Let us see the DBMS_XPLAN format in which it is a parameter that can be used to associate the level of details of the plan that receives four values that are:

BASIC: This value can show the lowest information in the plan, such as operation ID, operation name, and other options.

TYPICAL: This is the default value. It can show the applicable information in the plan, such as the operation id name, and show the established and parallel information whenever needed.

SERIAL: Same as TYPICAL, it cannot display the parallel information, but the plan can implement in parallel.

ALL: It controls the utmost user level, which can also involve the information at the TYPICAL level.

Some keywords can be attached to the above standard to alter their default behavior that is:

ROWS: When applicable, then it can display the number of rows.

BYTES: When applicable, it can show the number of bytes.

COST: If applicable, it will show the optimizer cost information.

PARTITION: If applicable, it shows the partition pruning data.

PARALLEL: If applicable, it shows the dispersed method and table information.

PREDICATE: If applicable, it can show the established information.

PROJECTION: If applicable, it will display the projection section.

ALIAS: If applicable, it will display the alias section.

REMOTE: If applicable, it can show the information for dispensing the query.

Conclusion

In this article, we conclude that the DBMS_XPLAN is a package that can be used to set out the output of the ‘Explain Plan,’ and Oracle has developed it; we have also seen the using of it, file, and format of the package so this article may be helpful.

How To Convert Rar File To Zip In Windows

Do you have some RAR files that you want to convert into ZIP files? Learn how to convert RAR file to ZIP.

Both RAR and ZIP files are popular file formats that allow you to store files in a compressed manner. Hence, the files take less space and can be transferred swiftly if needed.

When you have some RAR files that are already compressed, you might still want to convert them into ZIP files due to various reasons. Read this article to know how to convert a RAR file to ZIP. But first, let’s go through a brief discussion on RAR and ZIP files.

What Is a RAR File?

Just like the ZIP file, the RAR file is also a compressed archive file format. It can also store one or more files in a compressed format. RAR files were invented by Eugene Roshal in the 1990s.

While RAR files can compress large files and folders, the resultant files they create are smaller than ZIP files. Hence, you can enjoy faster file transfers and reduced storage space. To create and open RAR files, you can use software programs like WinRAR, 7-Zip, and WinZip.

RAR files support password protection and can split large archives into multiple volumes. These features often make RAR a popular choice for archiving and transferring large files.

What Is a ZIP File?

A ZIP file is a popular file format that can compress files before archiving them. You can turn any file (one or more) into one smaller file through zipping. ZIP files were invented by Phil Katz that became popular because of reduced file size and its ability to get transferred easily through the internet.

Even when it compresses large files to a smaller size, there is no change in data quality or integrity. If you have a ZIP file, you can extract its items using various programs and tools like the built-in Windows tool for compressed folders, WinZip, 7-Zip, and WinRAR.

How RAR Files and ZIP Files Differ From Each Other

The main difference between RAR and ZIP file formats is the compression algorithm they use. RAR files use a proprietary compression algorithm developed by RARLAB. People usually consider this to be more efficient than the ZIP file’s compression algorithm. It’s also the reason RAR files can often have higher compression ratios than ZIP files and deliver files of smaller sizes.

Features RAR File ZIP File

Compression Algorithm Uses proprietary RAR algorithm, often more efficient than ZIP algorithm Uses a standard ZIP compression algorithm

Compression Ratio higher compression ratio than ZIP files Lower compression ratio than RAR files

License Need proprietary software with a limited free trial Can be created and extracted with free, open-source software

Popularity Less popular than ZIP files Widely popular and supported

Ease of Use Creation and extraction require specialized software Built-in support in most operating systems

Password Protection Supports strong password protection Password protection feature is available

Error Recovery Supports error recovery, can repair damaged archives Has no built-in error recovery feature

Top Reasons to Convert RAR File to ZIP Format

ZIP files are more widely supported than RAR files. So, some operating systems or applications may not be able to open or extract RAR files. By converting RAR files to ZIP file, users can easily open and extract them.

While sharing a file, it is more convenient to use a file format that is more commonly used and supported. If you convert a RAR file to a ZIP file, others can easily access and use the file.

How to Convert RAR File to ZIP Convert RAR to ZIP Using WinRAR

Make sure to install the WinRAR application on your computer.

Select Show more options.

Hover over WinRAR option and select Extract to “filename/” from the context menu.

The files will be extracted as a regular folder.

Select Add to archive… option.

Under the General tab, select the ZIP button and enable other settings of your choice.

Convert RAR to ZIP Using 7-Zip

You can also use the 7-Zip software to convert RAR files to ZIP files. This tool also has to be downloaded and installed on your computer before performing these steps:

Select the RAR file that you have to convert to a ZIP file.

Hover over 7-Zip and select Extract to “filename/”.

Now select the extracted folder and select Show more options.

Hover over 7-Zip and select Add to archive option.

In Add to Archive window, select zip from Archive format drop-down menu.

That’s it. You can easily convert RAR to ZIP format.

Conclusion

If you’re about to share a RAR file, the recipient might have trouble opening it without the proprietary software. For this reason, it’s better to convert RAR to ZIP format. In this article, I’ve discussed the difference between these two file formats, along with some techniques to convert RAR file to ZIP.

Up next, how to zip files on Android.

Python How To Convert Bytes To String (5 Approaches)

To convert bytes into a string in Python, use the bytes.decode() method.

For instance:

name_byte = b'Alice' name_str = name_byte.decode() print(name_str)

Output:

Alice

This is the quick answer.

However, depending on the context and your needs, there are other ways to convert bytes to strings.

In this guide, you learn how to convert bytes to string in 5 different ways in different situations.

Here’s a short review of the byte-to-string converting methods:

Method Example

1. The decode() method of a byte string byte_string.decode(‘UTF-8’)

2. The built-in str() method str(byte_string, ‘UTF-8’)

3. Codecs decode() function codecs.decode(byte_string)

4. Pandas dataframe decode() method df[‘column’].str.decode(“utf-8”)

5. The join() method with map() function “”.join(map(chr, byte_str))

Let’s jump to it!

Bytes vs Strings in Python

There is a chance you are looking to convert bytes to strings because you do not know what they are. Before jumping into the conversions, let’s take a quick look at what are bytes in the first place.

Why Bytes?

A computer doesn’t understand the notion of “text” or “number” as is. This is because computers operate on bits, that is, 0s and 1s.

Storing data to a computer happens by using groups of bits, also known as bytes. Usually, there are 8 bits in a byte. But this might vary depending on what system you’re using.

Byte Strings in Python

In Python, a byte string is a sequence of bytes that the computer understands but humans can’t.

A string is a sequence of characters and is something we humans can understand but cannot directly store in a computer.

This is why any string needs to be converted to a byte string before the computer can use it.

In Python, a bytes object is a byte representation of a string. A bytes object is prefixed with the letter ‘b‘.

For example, take a look at these two variables:

name1 = 'Alice' name2 = b'Alice'

Here:

name1 is a str object.

name2 is a bytes object.

You can verify this by printing out the data types of these variables:

name1 = 'Alice' name2 = b'Alice' print(type(name1)) print(type(name2))

Output:

As I mentioned earlier, the byte string is something that is hard to understand. In the above code, this isn’t clear as you can just read the b’Alice’ very clearly.

Byte String vs String in Python

To see the main difference between the byte string and a string, let’s print the words character by character.

First, let’s do the name1 variable:

name1 = 'Alice' name2 = b'Alice' for c in name1: print(c)

Output:

A l i c e

Now, let’s print each byte in the name2 bytes object:

name1 = 'Alice' name2 = b'Alice' for c in name2: print(c)

Output:

65 108 105 99 101

Here you can see there is no way for you to tell what those numbers mean. Those numbers are the byte values of the characters in a string. Something that a computer can understand.

To make one more thing clear, let’s see what happens if we print the bytes object name2 as-is:

name1 = 'Alice' name2 = b'Alice' print(name2)

Output:

b'Alice'

As your surprize, it clearly says “Alice”. This isn’t too hard to read, is it?

The reason why the byte string prints out as a readable string is because what you see is actually a string representation of the bytes object.

Python does this for the developer’s convenience.

If there was no special string representation for a bytes object, printing bytes would be nonsense.

Anyway, now you understand what is a bytes object in Python, and how it differs from the str object.

Now, let’s see how to convert between bytes and string.

1. The decode() Function

Given a bytes object, you can use the built-in decode() method to convert the byte to a string.

You can also pass the encoding type to this function as an argument.

For example, let’s use the UTF-8 encoding for converting bytes to a string:

byte_string = b"Do you want a slice of xf0x9fx8dx95?" string = byte_string.decode('UTF-8') print(string)

Output:

Do you want a slice of 🍕? 2. The str() Function

Another approach to convert bytes to string is by using the built-in str() function.

This method does the exact same thing as the decode() method in the previous example.

For instance:

byte_string = b"Do you want a slice of xf0x9fx8dx95?" string = str(byte_string, 'UTF-8') print(string)

Output:

Do you want a slice of 🍕?

Perhaps the only downside to this approach is in the code readability.

If you compare these two lines:

name_str = str(byte_string, 'UTF-8') name_str = byte_string.decode('UTF-8')

You can see the latter is more explicit about decoding the bytes to a string.

3. Codecs decode() Function

Python also has a built-in codecs module for text decoding and encoding.

This module also has its own decode() function. You can use this function to convert bytes to strings (and vice versa).

For instance:

import codecs byte_string = b"Do you want a slice of xf0x9fx8dx95?" name_byte = codecs.decode(byte_string) print(name_byte)

Output:

Do you want a slice of 🍕? 4. Pandas decode() Function

If you are working with pandas and you have a data frame that consists of bytes, you can easily convert them to strings by calling the str.decode() function on a column.

For instance:

import pandas as pd data_bytes = {'column' : [b'Alice', b'Bob', b'Charlie']} df = pd.DataFrame(data=data_bytes) data_strings = df['column'].str.decode("utf-8") print(data_strings)

Output:

0 Alice 1 Bob 2 Charlie Name: column, dtype: object 5. map() Function: Convert a Byte List to String

In Python, a string is a group of characters.

Each Python character is associated with a Unicode value, which is an integer.

Thus, you can convert an integer to a character in Python.

To do this, you can call the built-in chr() function on an integer.

Given a list of integers, you can use the map() function to map each integer to a character.

Here is how it looks in code:

byte_data = [65, 108, 105, 99, 101] strings = "".join(map(chr, byte_data)) print(strings)

Output:

Alice

This piece of code:

Converts the integers to corresponding characters.

Returns a list of characters.

Merges the list of characters to a single string.

To learn more about the map() function in Python, feel free to read this article.

Be Careful with the Encoding

There are dozens of byte-to-string encodings out there.

In this guide, we only used the UTF-8 encoding, which is the most popular encoding type.

The UTF-8 is also the default encoding type in Python. However, UTF-8 encoding is not always the correct one.

For instance:

s = b"test xe7xf8xe9" s.decode('UTF-8')

Output:

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe7 in position 5: invalid continuation byte

This error means there is no character in the UTF-8 encoding that corresponds to the bytes in the string.

In other words, you should be using a different encoding.

You can use a module like chardet to detect the character encodings. (Notice that this module is not maintained, but most of the info you learn about it is still applicable.)

However, no approach is 100% foolproof. This module gives you its best guess about the encoding and the probability associated with it.

Anyway, let’s say the above byte string can be decoded using the latin1 encoding as well as the iso_8559_5 encoding.

Now let’s make the conversion:

s = b"test xe7xf8xe9" print(s.decode('latin1')) print(s.decode('iso8859_5'))

Output:

test çøé test чјщ

This time there is no error. Instead, it works with both encodings and produces a different result.

So be careful with the encodings!

If you see an error when doing a conversion, the first thing you need to do is to figure out the encoding used. Then you should use that particular encoding to encode/decode your values to get it right.

Conclusion

Today you learned how to convert bytes to strings in Python.

To recap, there is a bunch of ways to convert bytes to strings in Python.

To convert a byte string to a string, use the bytes.decode() method.

If you have a list of bytes, call chr() function on each byte using the map() function (or a for loop)

If you have a pandas dataframe with bytes, call the .str.decode() method on the column with bytes.

By default, the Python character encoding is usually UTF-8.

However, this is not always applicable. Trying to encode a non-UTF-8 byte with UTF-8 produces an error. In this situation, you should determine the right character encoding before encoding/decoding. You can use a module like chardet to do this.

How To Erase And Format A Drive In Windows

Did you get a new external drive? Or are you looking to troubleshoot or sell an older drive? Then, it’s a good idea to erase and format it. Read on to learn how to do that in Microsoft Windows 10 and 11.

When you buy an external hard drive, SSD (solid-state drive), or flash stick, chances are that you can connect it to your Windows PC and use it right away. However, you may still want to erase and format the drive, so that you know you’re starting with a clean slate and an appropriate file system.

Table of Contents

If you’ve already been using the drive for some time, formatting can help resolve persistent performance issues and other problems. You must also reformat the drive and securely erase its data if you plan to sell it.

How Erasing and Formatting a Drive in Windows Works

When you format an external HDD, SSD, or USB flash drive in Windows, the operating system frees up the disk space for use by other data. Additionally, it runs reliability checks on drive sectors and fixes severe errors (though there’s no guarantee).

But that’s just half the picture. Formatting also gives you the perfect opportunity to implement a suitable file system. That’s essential when you want to ensure that a drive is compatible with other devices. Windows allows you to format external drives with one of the three file systems below.

NTFS: The default Windows file system. NTFS supports large file sizes and provides excellent security, but it doesn’t fully work on alternative operating systems besides Windows and Linux.

FAT32: A legacy Windows file system. Unlike NTFS, FAT32 features wider compatibility with most operating systems but imposes file size limits of 4GB or less, is less reliable, and is not as secure.

exFAT: An all-round file system that works well on both Windows and Apple macOS for Mac, exFAT strikes an excellent balance between compatibility, usability, and security.

You can format a drive via the Format utility, Disk Management console, and Command Prompt in Windows. However, only the Command Prompt lets you implement FAT32 as the file system on drives that exceed 32GB.

That said, formatting a drive in Windows doesn’t completely wipe your data. If you intend to sell the drive, you must use a third-party formatting tool such as Disk Wipe that can securely delete all data. If you’re troubleshooting for issues on a drive, you might want to consider running the Check Disk (CHKDSK) utility before you start.

Warning: Erasing a drive or partition will permanently delete all files and folders. Take a backup of any data if you want to restore everything afterward.

Erase and Format a Drive in Windows Using Format Utility

The Format utility, which you can access via File Explorer, is the most convenient way to erase and format external drives in Windows. You can also decide if you want to speed things up by performing a quick format.

2. Adjust the following settings on the Format dialog:

File system: Switch between the NTFS, FAT32, and exFAT file systems. FAT32 is not available for drives that exceed 32GB.

Allocation unit size: Define the minimum unit size of each data block on your drive. The default selection changes depending on the file system you select—e.g., 128 kilobytes for exFAT. Learn more about allocation unit size.

Volume label: Replace the default name if you want to have an easier time identifying the drive from other external media. A custom volume label will also appear on other devices and operating systems.

Quick Format: Leave the box checked if you want to erase and format the drive quickly. Clear it if you’re troubleshooting the drive.

Note: Select the Restore device defaults button if you want to revert to the default selections for the drive.

Erase and Format a Drive in Windows Using Disk Management

The Disk Management console is a versatile utility that allows you to manage drives, volumes, and partitions in Windows. It also allows you to format drives quickly. Use it if an external drive fails to appear in File Explorer.

1. Press Windows Key + R to open the Run box. Then, type chúng tôi and press Enter.

3. Add a volume label, pick a file system, and specify the allocation unit size. Additionally, clear the box next to Perform a quick format intact if you want Disk Management to perform a full format. Then, select OK.

4. Select OK again to confirm.

Erase and Format a Drive in Windows Using Command Prompt

Alternatively, you can use the Command Prompt and Windows PowerShell consoles to format a drive in Windows. It’s the best option if you want to format drives that exceed 32GB natively in FAT32.

2. Run the diskpart command to load the DiskPart command-line tool.

3. Run the list disk command to load a list of drives on your computer.

4. Type select disk [disk number], replacing [disk number] with the number of the drive you want to format. Use the Size column to identify the correct number. Press Enter to select the drive.

5. Run the clean command to erase all data on the drive.

6. Type create partition primary and press Enter to partition the drive.

7. Type format fs=fat32 label=[drive name]. Replace fat32 with the file system you want and [drive name] with a drive label. Then, press Enter.

8. Type assign and press Enter to assign a drive letter for the drive.

9. Type exit and press Enter to quit DiskPart.

Securely Erase and Format a Drive in Windows Using Disk Wipe

If you want to erase an external drive securely, you can use a free third-party formatting tool called Disk Wipe. It lets you run various erasing patterns to prevent file recovery tools from retrieving your data.

1. Download and launch Disk Wipe. Then, choose the drive you want to format and select the Wipe Disk button.

2. Select a file system—NTFS, FAT, or FAT32. Then, select Next.

3. Select an erasing pattern. For example, you can overwrite the storage device’s contents with a single pass of zeros or use sophisticated data wiping techniques such as the Peter Guttman method. Note that using methods with multiple passes can take a long time to complete.

4. Type ERASE ALL and select Finish.

5. Select Yes to confirm.

Disk Wipe aside, you can rely on various other formatting tools and apps such as DBan, KillDisk, and Eraser to securely erase drives. Here’s a complete list of free programs that can completely wipe a drive in Windows.

How To Convert A Decimal Number To Roman Using Javascript?

Roman numerals are a type of number system used to represent a fixed decimal number. Several letters from the Latin alphabet are used for the representation of roman numerals. In this tutorial, the user will learn how to convert a decimal number to roman using JavaScript. Seven symbols represent Roman numerals: I, V, X, L, C, D, and M. The values for symbols are given below.

Syntax I is 1 V is 5 X is 10 L is 50 C is 100 D is 500 M is 1000

Using these seven symbols user can convert decimal numbers to roman.

Users can follow the below syntax to convert a decimal number to a roman numeral.

Syntax function getRoman(num) { if (num == 0) break; num -= decimal_number[i]; romanNumeral += roman_numeral[i]; if (roman_numeral[i] == 'M') number_thousands++; } } function decimal_to_roman(num) { { } var temp=roman1.number_thousands; thous_string += "M"; temp--; } var thousands1 = getRoman(roman1.number_thousands); romanNumeral = roman1.romanNumeral.replace(thous_string, thousandBase); } else romanNumeral = roman1.romanNumeral; }

Users can follow the below algorithm to get a roman numeral.

Algorithm

STEP 1 − Initialize an array roman_numeral and it contains elements as roman symbols.

STEP 2 − Call decimal_to_roman() function with parameter num.

STEP 3 − Check whether the num is within the range or not.

STEP 4 − If the num is in the range call getRoman(). In this function traverse using for loop in roman_numeral.

STEP 5 − If num=0 break, else while num is greater than or equal to current roman value, add corresponding roman symbol to romanNumeral string. If current roman symbol is ‘M’, increase count of number_thousands by 1.

STEP 6 − getRoman() returns value to decimal_to_roman().

STEP 7 − If number_thousands <= 4, print romanNumeral.

STEP 9 − In romanNumeral replace thous_string to thousandBase string.

STEP 10 − Print romanNumeral.

User can follow below example for better understanding.

Example 1

A number in Roman Numerals is a string of seven symbols. In this example, the user will learn to convert a decimal number to a roman using two arrays: roman_numeral[ ] and decimal_number[ ].

The value for the roman numeral,

CM is 900

CD is 400

XC is 90

XL is 40

IX is 9

IV is 4.

let

Div1

document

getElementById

(

“div1”

)

;

let

Div2

document

getElementById

(

“div2”

)

;

var

roman_numeral

new

Array

(

)

;

roman_numeral

[

“M”

“CM”

“D”

“CD”

“C”

“XC”

“L”

“XL”

“X”

“IX”

“V”

“IV”

“I”

]

;

var

decimal_number

new

Array

(

)

;

decimal_number

[

1000

900

500

400

100

]

;

function

getRoman

(

num

)

{

var

romanNumeral

“”

;

var

number_thousands

;

for

(

var

;

roman_numeral

length

;

)

{

(

num

)

break

;

num

decimal_number

[

]

;

romanNumeral

roman_numeral

[

]

;

(

roman_numeral

[

]

‘M’

)

number_thousands

;

}

return

{

number_thousands

romanNumeral

}

;

}

function

decimal_to_roman

(

num

)

{

return

num

;

var

romanNumeral

“”

;

var

roman1

getRoman

(

num

)

;

var

thous_string

“”

;

var

temp

roman1

number_thousands

;

thous_string

“M”

;

temp

—

;

}

var

thousands1

getRoman

(

roman1

number_thousands

)

;

romanNumeral

roman1

romanNumeral

replace

(

thous_string

thousandBase

)

;

}

else

romanNumeral

roman1

romanNumeral

;

return

romanNumeral

;

}

Div1

innerHTML

“Roman conversion of number 577 is “

decimal_to_roman

(

577

)

;

Div2

innerHTML

“Roman conversion of number 3542 is “

decimal_to_roman

(

3542

)

;

In above example, user is getting roman numerals of numbers 577 and 3542 as DLXXVII and MMMDXLII respectively.

Example 2

let

Div1

document

getElementById

(

“div1”

)

;

var

roman_numeral

new

Array

(

)

;

roman_numeral

[

“M”

“CM”

“D”

“CD”

“C”

“XC”

“L”

“XL”

“X”

“IX”

“V”

“IV”

“I”

]

;

var

decimal_number

new

Array

(

)

;

decimal_number

[

1000

900

500

400

100

]

;

function

getRoman

(

num

)

{

var

romanNumeral

“”

;

var

number_thousands

;

for

(

var

;

roman_numeral

length

;

)

{

(

num

)

break

;

num

decimal_number

[

]

;

romanNumeral

roman_numeral

[

]

;

(

roman_numeral

[

]

‘M’

)

number_thousands

;

}

return

{

number_thousands

romanNumeral

}

;

}

function

decimal_to_roman

(

)

{

const

num

document

getElementById

(

“decimal”

)

value

;

return

num

;

var

romanNumeral

“”

;

var

roman1

getRoman

(

num

)

;

var

thous_string

“”

;

var

temp

roman1

number_thousands

;

thous_string

“M”

;

temp

—

;

}

var

thousands1

getRoman

(

roman1

number_thousands

)

;

romanNumeral

roman1

romanNumeral

replace

(

thous_string

thousandBase

)

;

}

else

romanNumeral

roman1

romanNumeral

;

Div1

innerHTML

romanNumeral

;

}

Using JavaScript, the user learned how to convert any decimal number into roman numerals. The user learned that when the number is above a specific range, the representation of decimal numbers in roman is quite different. Users have to place a bar over the base numeral in this situation.

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