Computer Fundamental Miscellaneous - Study Mode

[#666] What type of computer programming is used for airplane ticket reservation system?
Correct Answer

(B) Real time programming

Explanation

Solution: Real time programming type of computer programming is used for airplane ticket reservation system. A real-time system is one where it has to respond within certain time limits, for example, the avionics of a plane, or the control system of an industrial process.

[#667] The output of a 2 input OR gate is 0 only when its
Correct Answer

(A) both inputs are 0

Explanation

Solution: The truth table for 2-input OR gate is as shown in the figure. Thus, the output is zero only when both inputs are zero.

[#668] A high quality CAD system uses the following for printing drawing and graphs
Correct Answer

(B) Digital plotter

Explanation

Solution: A high quality CAD system uses the Digital plotter for printing drawing and graphs. A digital plotter is a computer output device which draws curves and other computer graphics data on ordinary $$8 - frac{1}{2} imes 11$$ xa0 inch (21.6 × 27.9 cm) paper. A plotter is a printer designed for printing vector graphics.

[#669] A printed document reader which scans the characters and then encodes them in a computer-compatible code for direct transmission to the computer is called
Correct Answer

(B) Kurzweil Data Entry Machine (KDEM)

Explanation

Solution: A printed document reader which scans the characters and then encodes them in a computer-compatible code for direct transmission to the computer is called Kurzweil Data Entry Machine (KDEM).

[#670] The equipment with which the computer talks to its users is called a
Correct Answer

(B) peripheral

Explanation

Solution: A peripheral device is "an ancillary device used to put information into and get information out of the computer."