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

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

• 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

Computers are used in offices to reduce labor and to reduce time consumption.

Explanation

The common port used for Apache and web browsing is 80.

Explanation

A type of network that is connected by physical switches is called a Switched Network.