Explanation

A Firewall is a piece of hardware or software that reads all data packets in a network and blocks or allows them based on predetermined security rules.

It acts as a barrier between a trusted network and an untrusted network, such as the internet.

Explanation

• Software that is permanently stored in the BIOS (Basic Input/Output System) of a computer is called Firmware.
• This type of software is typically used to control and configure the hardware components of a computer, such as the keyboard, display, and storage devices.

Explanation

• PowerPoint does not have the ability to print writer comments with slides.
• Writer comments are a feature of Microsoft Word, not PowerPoint.

Explanation

Octal numbers are base 8, meaning they use 8 distinct symbols: 0, 1, 2, 3, 4, 5, 6, and 7.

Explanation

• A box that contains multiple hard disk drives is called a Hard disk array.
• This term is often used to describe a collection of hard disk drives that are combined to provide improved data storage and redundancy.

Explanation

• The BIOS (Basic Input/Output System) is a firmware that is embedded on the motherboard of a computer.
• To run BIOS, a motherboard is the only necessary component.
• The BIOS is responsible for initializing and testing the hardware components, including the CPU, RAM, and hard disk, but it does not require these components to be present to run.

Explanation

• Boolean refers to a logical data type that can have only two possible values: True or False.
• This means that a Boolean set has only 2 elements.
  

Explanation

163.23 is a decimal number, which represents a floating-point number (Float) in programming and mathematics.

Explanation

Byte is made up of array of bits.

Explanation

• Blue line: Duplicate/repeated word or contextual writing issue.

Additional information:

• Red line: Spelling mistake.
• Green line: Grammatical mistake.

Last verified on 24-09-2026