Explanation

• One Gigabyte (GB) =  1024 Megabytes (MB)

Additional information:

The size of information in the computer is measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB).

• 1 Kilobyte (KB) = 1024 bytes
• One Megabyte (MB) = 1024 Kilobytes (KB
• One Gigabyte (GB) =  1024 Megabytes (MB)
• One Terabyte (TB)= 1024 Gigabytes (GB).

Last verified on 07-08-2026

Explanation

• The standard other name for junk email is Spam.
• Junk email is unwanted and unsolicited email sent in bulk.
• It is commonly used for ads, scams, or fake promotions.

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Spam filters are used in email services to automatically block junk mail.

Last verified on 16-02-2026

Explanation

• Supercomputers are designed for maximum computational speed and complex calculations.
• Mainframe computers are designed to process huge volumes of data and support many users/tasks simultaneously.
• Supercomputers are commonly used in weather forecasting, scientific research, simulations, and space research.
• Mainframes are widely used in banking, airlines, government systems, and large organizations.

Last verified on 07-08-2026

Explanation

• Type: Impact Printer
• Printing Method: Pins strike an ink ribbon
• Common Pin Configurations: 9-pin, 24-pin
• Output: Text and graphics
• Main Advantage: Can print multi-part forms

Last verified on 07-08-2026

Explanation

• Read-Only Memory stores data/instructions that are traditionally written during manufacturing.
• ROM is non-volatile.
• So its contents remain stored even when power is switched off.

Additional information:

• RAM is temporary working memory.
• It is volatile.
• Cache is high-speed memory used to speed up CPU access to frequently used data.

Last verified on 07-08-2026