21. The main
electronic component used in first generation computers was
A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above
A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above
22. A dumb terminal
has
A) an embedded microprocessor
B) extensive memory
C) independent processing capability
D) a keyboard and screen
A) an embedded microprocessor
B) extensive memory
C) independent processing capability
D) a keyboard and screen
23. One millisecond is
A) 1 second
B) 10th of a seconds
C) 1000th of a seconds
D) 10000th of a seconds
A) 1 second
B) 10th of a seconds
C) 1000th of a seconds
D) 10000th of a seconds
24. The output quality
of a printer is measured by
A) Dot per sq. inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above
A) Dot per sq. inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above
25. Which of the
following was a special purpose computer?
A) ABC
B) ENIAC
C) EDVAC
D) All of the above
A) ABC
B) ENIAC
C) EDVAC
D) All of the above
26. What was the
computer invented by Attanasoff and Clifford?
A) Mark I
B) ABC
C) Z3
D) None of above
A) Mark I
B) ABC
C) Z3
D) None of above
27. Which of the
following storage devices can store maximum amount of data?
A) Floppy Disk
B) Hard Disk
C) Compact Disk
D) Magneto Optic Disk
A) Floppy Disk
B) Hard Disk
C) Compact Disk
D) Magneto Optic Disk
28. Which computer was
considered the first electronic computer until 1973 when court invalidated the
patent?
A) ENIAC
B) MARK I
C) Z3
D) ABC
A) ENIAC
B) MARK I
C) Z3
D) ABC
29. A physical
connection between the microprocessor memory and other parts of the
microcomputer is known as
A) Path
B) Address bus
C) Route
D) All of the above
A) Path
B) Address bus
C) Route
D) All of the above
30. High density
double sided floppy disks could store _____ of data
A) 1.40 MB
B) 1.44 GB
C) 1.40 GB
D) 1.44 MB
A) 1.40 MB
B) 1.44 GB
C) 1.40 GB
D) 1.44 MB
31. A high quality CAD
system uses the following for printing drawing and graphs
A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above
A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above
32. Which of the
following is not an input device?
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
33. The accuracy of
the floating-point numbers representable in two 16-bit words of a computer is
approximately
A) 16 digits
B) 6 digits
C) 9 digits
D) All of above
A) 16 digits
B) 6 digits
C) 9 digits
D) All of above
34. In most 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) Motherboard
B) Daughterboard
C) Bredboard
D) Fatherboard
A) Motherboard
B) Daughterboard
C) Bredboard
D) Fatherboard
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) Daughter board
D) Grandmother board
A) Motherboard
B) Breadboard
C) Daughter board
D) Grandmother board
36. Magnetic disks are
the most popular medium for
A) Direct access
B) Sequential access
C) Both of above
D) None of above
A) Direct access
B) Sequential access
C) Both of above
D) None of above
37. A technique used
by codes to convert an analog signal into a digital bit stream is known as
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
38. Regarding a VDU,
Which statement 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
A) It is an output device
B) It is an input device
C) It is a peripheral device
D) It is hardware item
39. A modern
electronic computer is a machine 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
A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately
40. When was vacuum
tube invented?
A) 1900
B) 1906
C) 1910
D) 1880
A) 1900
B) 1906
C) 1910
D) 1880