Computer Fundamental Miscellaneous - Study Mode

[#596] When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
Correct Answer

(B) disk surface

Explanation

Solution: A disk stack is serviced by a comb-like access mechanism, there is one read/write head for each the disk surface. The disk surface is logically divided into tracks, which are subdivided into sectors. A sector (varying from 32 bytes to 4096 bytes, usually 512 bytes) is the smallest unit of information that can be read from or written to disk.

[#597] In which year was UK's premier computing event called "The Which Computer" started?
Correct Answer

(A) 1980

Explanation

Solution: In 1980 year was UK's premier computing event called "The Which Computer" started. A computer is a programmable device that stores, retrieves, and processes data. The term "computer" was originally given to humans (human computers) who performed numerical calculations using mechanical calculators, such as the abacus and slide rule.

[#598] In comparison to the internal (main) memory, tape or disk memory is
Correct Answer

(B) slower and less expensive

Explanation

Solution: In comparison to the internal (main) memory, tape or disk memory is slower and less expensive. RAM is less expensive and slower. Slower and less expensive.

[#599] Which of the following input/output devices is not associated with personal computers?
Correct Answer

(C) punched cards

Explanation

Solution: Punched cards : A punched card or punch card is a piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in predefined positions. Digital data can be used for data processing applications or, in earlier examples, used to directly control automated machinery. Source : wikipedia.org

[#600] The heart of any computer is the
Correct Answer

(A) CPU

Explanation

Solution: The heart of any computer is the CPU. The CPU, or rather microprocessor, is the heart of any computer system. The microprocessor calculates, performs logical operations and manages data flows by reading instructions from memory and then executing them.