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Home » Engineering » Computer Science » Aptitude Test - 21
1. A ………… is a microprocessor -based computing device.
A. personal computer
B. mainframe
C. workstation
D. personal computer
2.A computer system that is old and perhaps not satisfactory is referred to as a(n)
A. Ancient system
B. Historical system
C. Age old system
D. Ancient system
3. ———- computers operates essentially by counting
A. Portable computer
B. Hybrid computer
C. Analog computer
D. Portable computer
4. ———- computer is small general purpose micro computer, but larger than portable computer
A. Hybrid
B. Digital
C. Desktop
D. Hybrid
5.…………. computer is a medium sized computer
A. Micro
B. Mainframe
C. Super
D. Micro
6. ……….. computer are of large size
A. Micro
B. Mainframe
C. Super
D. Micro
7.Note book, laptop,palm,hand-held computers are coming under the category of……… computer
A. Digital computer
B. Mainframe computer
C. Portable computer
D. Digital computer
8.Computers, combine both measuring and counting, are called :
A. Analog
B. Digital
C. Hybrid
D. Analog
9.In which type of computer, data are represented as discrete signals.
A. Analog computer
B. Digital computer
C. both
D. Analog computer
10.Which device use infrared signal to operate or control other device remotely?
A. Remote control
B. Sensor
C. Mouse
D. Remote control
11.Default pointing device of a laptop is –
A. Optical mouse
B. Sensitive screen
C. Touchpad
D. Optical mouse
12. Which is an example of pointing device?
A. Mouse
B. Pointer
C. Cursor
D. Mouse
13.Which among the following is the most common device that accepts letters, numbers and command from a user?
A. Optical Mouse
B. Sensitive Screen or touch screen
C. Keyboard
D. Optical Mouse
14. What type of keyboard is used in fast food restaurants, offices and shops?
A. Numeric keypads
B. Numeric Keyboard
C. Concept keyboard
D. Numeric keypads
15.What type of keyboard is used in telephone and ATMs?
A. Numeric keyboard
B. Numeric keypad
C. Folding keyboard
D. Numeric keyboard
16. Which input device is used to read magnetic stripes?
A. Stripe reader
B. Bar code reader
C. Magnetic stripe reader
D. Stripe reader
17.Which device containing sensors send signals to computer whenever light changes are detected?
A. Light pen
B. Reflectors
C. Deflector
D. Light pen
18. Which is used with stylus to produce freehand drawings?
A. Drawing pen
B. Reflector
C. Graphic tablets
D. Drawing pen
19.Among the options which of the following computer input device enable video conference?
A. Microphone
B. Digital Camera
C. Voice recognition
D. Microphone
20. Which input device allow only voice communication?
A. Microphone
B. Webcam
C. Voice recognition
D. Microphone
21.Which system can read special characters printed in special ink?
A. Optical Scanner
B. Magnetic Ink character recognition or MICR
C. QCR
D. Optical Scanner
22.Which computer application scan text and converts into readable form in computer?
A. Optical Scanner Reader
B. Optical Marker Recognition
C. Optical character Recognition
D. Optical Scanner Reader
23.What is output device?
A. t allow data to be output from a computer
B. It allow to print data
C. It allow to store data
D. t allow data to be output from a computer
24. A control device is –
A. it control the computer.
B. It control the printout.
C. It is another type of output devices.
D. it control the computer.
25. Which output device of a computer is used for training presentations?
A. Plotters
B. Multimedia projectors
C. Computer monitor
D. Plotters
26.Which is used to output sound from multimedia presentations?
A. External Speaker
B. Keynoter
C. Announcer
D. External Speaker
27.Which output device of a computer used for producing highly accurate, very large drawings and poster?
A. Plotter
B. dot matrix printer
C. Inkjet printers
D. Plotter
28.Which is a kind of impact printers?
A. Plotter
B. Dot matrix printer
C. Laser printer
D. Plotter
29. Which produce good quality of hard copies?
A. Plotter
B. Dot matrix printer
C. Laser printer
D. Plotter
30. Which is the least expensive type of monitor?
A. CRT monitors
B. TFT monitors
C. LED monitor
D. CRT monitors
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