Computer Fundamental Miscellaneous - Study Mode

[#411] Which is a unit representing the no bits of discrete.
Correct Answer

(A) Baud

Explanation

Solution: In digital systems or discrete system we use a symbol synonymous to pulses per second is called baud rate.

[#412] The device that can both feed data into and accept data from a computer is
Correct Answer

(C) Input-Output device

Explanation

Solution: Input-Output device : In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation.

[#413] The personnel who deals with the computer & its management put together are called
Correct Answer

(B) Humanware

Explanation

Solution: Humanware is hardware and software that emphasizes user capability and empowerment and the design of the user interface. The process of building humanware generally consists of these steps: 1. Define users (age, mindset, environmental context, previous product experience and expectations, and so forth) and what they really want to do. 2. Identify tasks they will need to do or capabilities they will want 3. Specify usability objectives (if possible, these should be measurable, such as how long to do something or how many mouse clicks to get to a specified task point) for each task or capability. 4. Build a prototype of the user interface (it can be a paper or simulated prototype if time is short) 5. Test and verify or correct the prototype 6. Provide the prototype and usability objectives to the program designers and coders. Source : techtarget.com

[#414] A modern digital computer has
Correct Answer

(D) All of the above
(H) All of the above

Explanation

Solution: A modern digital computer has Extremely high speed, Large memory and Almost unlimited accuracy. These computers are versatile in a sense that they can carry out different type of jobs at a time without any interference. They modify their behaviour based on the information they process.

[#415] Which of the following can store information in the form of microscopic pits on metal disks.
Correct Answer

(A) Laser disks

Explanation

Solution: Laser disks : LaserDisc (abbreviated as LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold and marketed as MCA DiscoVision in the United States in 1978. Although the format was capable of offering higher-quality video and audio than its consumer rivals.