What is a computer?
What does a computer do?
Parts Of A Computer
The primary parts of a computer are Monitor, CPU, Keyboard, and Mouse. The secondary parts are Printer, Scanner, Speakers and Headphones.
Monitor
CPU
Keyboard
Mouse
Printer
It helps you to take your work on paper. It means the printer prints on the paper, the same work that is shown on the monitor.
Scanner
It helps you to put your work and pictures into the computer. It scans the document and your work is entered into the computer.
Speakers and headphones
It is used to listen to recorded songs, voice and speech and sounds in a computer.
Recap
Q.1 |
Which of the following memory is non-volatile? |
a) | SRAM |
b) | DRAM |
c) | ROM |
d) | All of the above |
Q.2 |
Identify the odd one: |
a) |
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b) | ![]() |
c) | ![]() |
d) | ![]() |
Q.3 |
What is the size and space of commonly used floppy disk? |
a) | 3.5 inch and 1.44 mb |
b) | 4.5 inch and 1.44 mb |
c) | 3.25 inch and 1.44 mb |
d) | 3.5 inch and 1.40 mb |
Q.4 |
What is the switching device of fifth generation computer? |
a) | Vacuum tubes |
b) | Transistors |
c) | IC |
d) | VLSI |
Q.5 |
Which of the following is used to close a tab on a browser? |
a) | Ctrl + Y |
b) | Ctrl + A |
c) | Ctrl + W |
d) | Ctrl + X |
Q.6 |
What was the chief component of second generation computer? |
a) | Vacuum Tubes and Valves |
b) | Transistors |
c) | Integrated Circuits |
d) | Microprocessor |
Q.7 |
To which location does a deleted file is stored when we DELETE a file? |
a) |
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b) | ![]() |
c) | ![]() |
d) | ![]() |
Q.8 |
The image represents ENIAC computer. To which generation it belongs? |
a) | First Generation |
b) | Second Generation |
c) | Third Generation |
d) | Fourth Generation |
Q.9 |
Identify the image: |
a) | Printer |
b) | Plotter |
c) | Scanner |
d) | Visual Display Unit(VDU) |
Q.10 |
Speed of Laser Printer is measured in which unit? |
a) | LPM |
b) | DPS |
c) | DPI |
d) | PPM |
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