Explanation:-

Answer: Option B. -> 8 bits
Answer: (b)The byte is a unit of digital information in computing and telecommunications that most commonly consists of eight bits. Historically, a byte was the number of bits used to encode a single character of text in a computer.

Explanation:-

Answer: Option A. -> Microwaves
Answer: (a)
Microwaves are radio waves, while the rest three are some form of cables.
Coaxial cable: a kind of copper cable used between the community antenna and user homes and businesses;
Optical fiber: a flexible, transparent fibre made of glass or plastic; and
Twisted pair cable: a type of wiring in which two conductors of a single circuit are twisted together for the purposes of cancelling out electromagnetic interference (EMI) from external sources.

Explanation:-

Answer: Option A. -> firewall
Answer: (a)
A firewall is a computer appliance or router that sits between the trusted and untrusted systems. It enables a computer to be connected safely to an untrustworthy network.
It is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.

Explanation:-

Answer: Option B. -> Charles Babbage
Answer: (b)Charles Babbage, was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Considered as “father of the computer”, Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs.

Explanation:-

Answer: Option A. -> UNIVAC
Answer: (a)
The UNIVAC I (Universal Automatic Computer I) was the first commercial computer produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC.
It was the first computer designed for business and administrative use with fast execution of relatively simple arithmetic and data transport operations, as opposed to the complex numerical calculations required of scientific computers.

Explanation:-

Answer: Option D. -> Burning
Answer: (d)Burning

Explanation:-

Answer: Option D. -> Digilal Versatile Disk
Answer: (d)
DVD stands for Digital Versatile Disk. It is an optical disc storage format, invented and developed by Philips, Sony, Toshiba and Panasonic in 1995.
When first invented, DVD stands for Digital Video Disk. Later on, DVD Forum proposed the backronym Digital Versatile Disk.

Explanation:-

Answer: Option B. -> A kind of scheduling
Answer: (b)
Round robin is the scheduling algorithm used by the CPU during the execution of the process. Round robin is designed specifically for time-sharing systems.
It is similar to the first come first serve scheduling algorithm but the preemption is the added functionality to switch between the processes.

Explanation:-

Answer: Option C. -> WAN
Answer: (c)
A Wide Area Network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using private or public network transports.
Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations.
In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location.

Explanation:-

Answer: Option B. -> Adhoc mode
Answer: (b)
Adhoc mode is a framework in which devices or stations communicate directly with each other, without the use of an Access Point (AP). Ad-hoc mode is also referred to as peer-to-peer mode or an Independent Basic Service Set (IBSS).
Ad-hoc mode is useful for establishing a network where wireless infrastructure does not exist or where services are not required.