2.1 - Hardware concepts

MCQ

Quiz

 

1. A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called
   1.   Output device
   2.   Input device
   3.   Memory
   4.   Memory
2. User communicates with a computer with the help of which devices?
   1.   Input device
   2.   Output device
   3.   Software device
   4.   Both a and b
3. Which device allows you to enter data and instructions into a computer?
   1.   Input device
   2.   Output device
   3.   ALU
   4.   CPU
4. Which device converts human-understandable data and programs into a form that computers can understand and process?
   1.   Output
   2.   Monitor
   3.   Input
   4.   All of the above
5. The number of pixels displayed on the computer screen is called
   1.   color depth
   2.   resolution
   3.   refresh rate
   4.   viewing size
6. The output quality of a printer is measured in
   1.   dots per sq
   2.   dots per inch
   3.   dots printer per inch
   4.   All of these
7. Which of the following is a kind of port?
   1.   Serial
   2.   Parallel
   3.   AGP
   4.   All of these
8. How many bits of data can be transferred by parallel port?
   1.   2
   2.   4
   3.   8
   4.   16
9. Which port can be used for transferring files between two computers?
   1.   Serial port
   2.   Parallel port
   3.   Firewire port
   4.   Infrared port
10. Which of the following units are used to count the speed of the printer?
    1.   CPM
    2.   PPM
    3.   LPM
    4.   All of the above