Explanation

The memory unit is one part of the Central Processing Unit

there are two types of memory in a computer unit 

1. primary memory (RAM and ROM)

2. secondary memory. (hard drive, CD, etc).

*******

ND4-12-2022

Explanation

Scanner converts hardcopy into softcopy while Printer converts softcopy into hardcopy. 

Explanation

An overloaded function is really just a set of different functions that happen to have the same name. The determination of which function to use for a particular call is resolved at compile time.

Explanation

Lifetime of a variable is the time for which the variable is taking up a valid space in the system's memory.

Explanation

The true potential of optical fiber is fully exploited when multiple beams of light at different frequencies are transmitted on the same fiber. 

Explanation

Long-haul, terrestrial optical fiber networks connect cities and countries throughout the world.

Explanation

Long haul installation connects one central office, or data center, to another.

Explanation

Error Control in the data link layer is a process of detecting and retransmitting the data which has been lost or corrupted during the transmission of data. 

Explanation

The basic function performed by a computer is execution of a program.

Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer.

Explanation

The 1950s saw the birth of the computer industry with two companies, Sperry and IBM, dominating the marketplace.

Sperry: 1955

IBM: 1952