Explanation

Blank DVDs that allow data to be erased and rewritten multiple times are called DVD+RW.

Standard DVDs can only be written once and cannot be reused.

Rewritable DVDs are useful for backups, software, and data transfer.

Additional information:

• DVD+RW can be rewritten up to 1000 times.
• Standard DVD (DVD-R or DVD+R) can only be written once.
• Rewritable DVDs are commonly used for temporary data storage and software testing.

Last verified on 16-01-2026

Explanation

An extremely small piece of silicon on which integrated circuits are implemented is called a microchip.

It is also commonly known as an integrated circuit (IC), or simply a chip

It is made of silicon.

Used in computers and electronics.

Controls processing functions.

Explanation

A device that encodes characters by pressing keys is known as a keyboard

ADDITIONAL INFORMATION RELATED TO KEYBOARD

It is an input device.

It is used to enter text and commands.

Each key represents a character or function.

Christopher Latham Sholes was an American inventor who invented the QWERTY keyboard.

Explanation

CT Scan is a medical imaging technique.

It uses X-rays and computers to create cross-sectional images of the body.

Helps in diagnosing diseases, injuries, and internal conditions.

Additional Details / Facts

First CT scanner was invented in 1972 by Sir Godfrey Hounsfield.

CT images are also called slices, showing body structures in detail.

Explanation

File > Print. To print a document in Microsoft Word, you click on the File tab in the top-left corner of the screen,

This opens the Backstage view, and then select Print from the menu that appears on the left.

Explanation

An Input/Output device allows two-way communication between the computer and the user.

Common examples include modem, touchscreen, and network card, which both send and receive data.

Explanation

When a computer detects invalid data, it often displays a red triangle or an error indicator to alert the user.

This symbol is commonly used in spreadsheets, databases, and other software applications to indicate that the data is incorrect, inconsistent, or outside of the expected range.

Explanation

A red wavy line in MS Word indicates a spelling error.

• A green wavy line indicates a grammar error.
• A blue wavy line indicates a word usage error (such as incorrect word choice).

Explanation

• DHCP (Dynamic Host Configuration Protocol) automatically assigns an IP address to a computer on a network.
• It eliminates the need to manually configure IP addresses.
• DHCP is commonly provided by a router or DHCP server.
• It assigns IP addresses, subnet masks, default gateways, and DNS server addresses.

Last verified on 27-07-2026

Explanation

• MS-Access is the program for Data Base.
• **
• Microsoft Access is a Database Management System (DBMS) from Microsoft
• Microsoft Access combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools
  
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