Computer Fundamental Miscellaneous - Study Mode

[#1046] Which major development led to the production of microcomputers?
Correct Answer

(D) Integrated circuits

Explanation

Solution: Integrated circuits major development led to the production of microcomputers. An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of tiny MOSFETs integrate into a small chip.

[#1047] The first computer made available for commercial use was
Correct Answer

(D) UNIVAC

Explanation

Solution: UNIVAC, the first commercially produced digital computer, is dedicated. On 14 th June 1951, the U.S. Census Bureau dedicates UNIVAC, the first commercially produced electronic digital computer in the United States.

[#1048] In which mode, each user has a local input/output device.
Correct Answer

(B) Time sharing mode

Explanation

Solution: Time-sharing, in data processing, method of operation in which multiple users with different programs interact nearly simultaneously with the central processing unit of a large-scale digital computer.

[#1049] Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?
Correct Answer

(A) Interactive processing

Explanation

Solution: Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing is it called an Interactive processing. Interactive processing means that the person needs to provide the computer with instructions whilst it is doing the processing. For example, imagine that a computer is running a program that takes a set of files from one directory and does some work on each one.

[#1050] Which of the following is considered a direct-entry input device?
Correct Answer

optical scanner

Explanation

Solution: Light pen, mouse, and optical scanner are the examples of direct entry input devices. Among these, mouse is the most common type of input device.