Computer Fundamental Miscellaneous - Study Mode

[#586] Which of the following statements is true?
Correct Answer

(B) Some form of training is necessary for employees who will work with computers
(H) Analysts evaluate data flow through an organization

Explanation

Solution: Some form of training is necessary for employees who will work with computers .Training is the process of enhancing the skills, capabilities and knowledge of employees for doing a particular job. Training process moulds the thinking of employees and leads to quality performance of employees. It is continuous and never ending in nature.

[#587] Communication between computers using standard telephone service
Correct Answer

(A) Requires a change to an anolog signal

Explanation

Solution: Communication between computers using standard telephone service Requires a change to an analog signal. Analog lines, also referred to as POTS (Plain Old Telephone Service), support standard phones, fax machines and modems.

[#588] A floppy disk contains
Correct Answer

(C) Both circular tracks and sector

Explanation

Solution: A floppy disk contains Both circular tracks and sector. A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

[#589] When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
Correct Answer

(A) 1011

Explanation

Solution: It is NOT gate so always it converts the data apposite to it. So 0 becomes 1 and 1 becomes 0. NOT gate yields the reverse of the input signal in output, thus when an input signal 1 is applied to a NOT gate, its output is 0.

[#590] The first practical commercial typewriter was invented in 1867 in the United States by
Correct Answer

(D) All of the above

Explanation

Solution: The first typewriter to be commercially successful was invented in 1878 by Americans Christopher Latham Sholes, Frank Haven Hall, Carlos Glidden and Samuel W. Soule in Milwaukee.