1. Which of the following input device is used for marking attendance of employees/students in organizations/institutions and security purposes?
(a) OCR
(b) Webcam
(c) Biometric sensor
(d) Both a and c
Answer: (c)
2. Which input device is widely used for acquiring textual data from images?
(a) MICR
(b) OCR
(c) Scanner
(d) Sensor
Answer: (b)
3. Optical Character Recognition is used for the preparation of
(a) electricity bills
(b) insurance premium
(c) telephone bills
(d) All of these
Answer: (d)
4. What is the full form of MICR?
(a) Magnetic Ink Character Register
(b) Magnetic Ink Code Reader
(c) Magnetic Ink Code Register
(d) Magnetic Ink Code Recognition
Answer: (d)
5. Which input device is used in banks for processing cheques to recognize the magnetic encoding numbers printed at the bottom of a cheque?
(a) OCR
(b) MICR
(c) OMR
(d) All of these
Answer: (b)
6. Which of the following is/are the type of smart card reader?
(a) Memory card reader
(b) Microprocessor card
(c) Both a and b
(d) None of these
Answer: (c)
7. Which input device is used to recognize the physical or behavioral traits of the individual?
(a) Smart card
(b) MICR
(c) Bar code
(d) Biometric sensor
Answer: (d)
8. Which of the following optical input device converts data and images on paper into digital form?
(a) Printer
(b) Scanner
(c) Projector
(d) Scanner
Answer: (d)
69. Which of the following is a video capturing device?
(a) Monitor
(b) Scanner
(c) Projector
(d) Webcam
Answer: (d)
10. What kind of device is a digital camera?
(a) Input
(b) Output
(c) I/O
(d) None
Answer: (a)
11. Which of the following device is a visual display unit (VDU)?
(a) Webcam
(b) Projector
(c) Monitor
(d) None
Answer: (c)
12. The clarity of an image depends on which factors?
(a) Resolution of the screen
(b) Dot pitch
(c) Refresh rate
(d) All of the above
Answer: (d)
13. What is the full form of CRT device?
(a) Cathode Ray Tube
(b) Crystal Ray Tube
(c) Cathode Ray Transistor
(d) None
Answer: (a)
14. LCD stands for
(a) Liquid Crystal Display
(b) Light Crystal Display
(c) Liquid Cathode Display
(d) None
Answer: (a)
15. What does TFT stand for?
(a) Transistor Film Transistor
(b) Thin Film Transistor
(c) Thin Film Transducer
(d) None
Answer: (b)
16. What is the full form of LED?
(a) Light Emitted Diode
(b) Light Emitter Diode
(c) Liquid Emitted Diode
(d) Both a and c
Answer: (d)
17. The speed of a printer is measured in
(a) CPS (Character per second)
(b) LPM (Lines Per Minute)
(c) PPM (Pages Per Minute)
(d) All of the above
Answer: (d)
18. What kind of device is a printer?
(a) Input
(b) Output
(c) Storage
(d) All
Answer: (b)
19. The resolution of a printer is numerically measured in
(a) DPI
(b) PPI
(c) LPM
(d) All
Answer: (a)
20. Which of the following device is/are both input and output devices?
(a) Plotter
(b) Modems
(c) Touch screen
(d) Headsets
(e) All, except plotter
Answer: (e)