31. A high worth CAD, system uses the following, for printing drawing, and graphs
A) Dot matrix printer,
B) Digital plotter,
C) Line printer,
D) All,
see answer
B) Digital plotter,
32. Which of the succeeding is, not an input, device?
A) OCR,
B) Optical scanners,
C) Voice recognition device,
D) COM (Computer Output to Microfilm),
see answer
D) COM (Computer Output to Microfilm),
33. The accurateness of the, floating-point numbers representable, in two 16-bit words of a, computer is about: _____________________________________
A) 16 digits,
B) 6 digits,
c) 9 digits,
D) All,
see answer
B) 6 digits,
34. In maximum of the IBM PCs, the CPU, the device drivers, memory, expansion slots and, active components, are mounted on a, single board. What is the, name of the, board?
A) Mother board,
B) Cousin Board,
C) Bredboard,
D) Fatherboard,
see answer
A) Mother board,
35. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components, are mounted on, a single board. What is the, name of this, board?
A) Motherboard,
B) Breadboard,
C) Uncle Board,
D) Grand Father Board,
see answer
A) Motherboard,
36. Magnetic disks, are the most widespread, medium for: _____________________________
A) Direct access,
B) Sequential access,
C) Both of above,
D) None,
see answer
C) Both of above,
37. A method used by, codes to transform an analog, signal into a digital bit stream, is known as:
A) Pulse code modulation,
B) Pulse stretcher,
C) Query processing,
D) Queue management,
see answer
A) Pulse code modulation,
38. Concerning a VDU, Which declaration is more, correct?
A) It is an output device,
B) It is an input device,
C) It is a peripheral device,
D) It is hardware item,
see answer
C) It is a peripheral device,
39. A modern electronic, computer is a engine that, is meant for: ______________________
A) Doing quick, mathematical calculations,
B) Input, storage, manipulation and outputting, of data
C) Electronic data processing,
D) Performing repetitive tasks accurately,
see answer
B) Input, storage, manipulation and outputting, of data
40. When was, vacuum tube developed,?
A) 1900,
B) 1906,
c) 1910,
D) 1880,
see answer
B) 1906,
