Explanation
Comprehensive passage
The computer is an electronic device. It takes instructions from the user. The first computer was invented in about 1942. It works like a human brain but its memory is much more than that of a human brain. The computer is a fast device. It can perform a large number of calculations in a few seconds. Communication is possible within seconds anywhere in the world. Information technology is possible only due to computers. Computers are needed in almost every field of life and are playing
When was the computer invented?
A. In 1932
B. In 1942
C. In 1946
D. In 1952
What does the term CPU stand for?
A. Central Processing Unit
B. Central Progressing Unit
C. Central Proposing Unit
D. Chief Processing Unit
What is the function of key board?
A. To show data
B. To give prints of the documents
C. Give instructions to the computer for processing
D. none of the above
Which is the following is part of a computer?
A. Motherboard
B. Processer
C, Ram
D. Keyboard