Computer Fundamental Miscellaneous - Study Mode

[#686] A computer-controlled device for training exercises that duplicates the work environment is a:
Correct Answer

(A) simulator

Explanation

Solution: A simulator is a program or machine that simulates a real-life situation, meaning that it creates a virtual version of it, often for the purpose of instruction or experiment, such as a flight simulator.

[#687] Which of the following is not an output device of a computer?
Correct Answer

(B) keyboard

Explanation

Solution: It is an input device. Keyboard, as they mentioned is not an output device basically means an input device. Keyboard in not an output device, it is rather an input device.

[#688] Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system?
Correct Answer

(D) All the above processing

Explanation

Solution: The terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system, Time-sharing, Online processing, Interactive processing.

[#689] What is the name given to the specialized storage element in the processor unit of a computer which is used as a "scratch pad" during processing operations?
Correct Answer

(C) cache memory

Explanation

Solution: Cache memory, also called cache, supplementary memory system that temporarily stores frequently used instructions and data for quicker processing by the central processing unit (CPU) of a computer. The cache augments and is an extension of a computer's main memory.

[#690] A large number of computers in a wide geographical area can be efficiently connected using
Correct Answer

(C) Communications satellites

Explanation

Solution: A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.