Read Ch – 1
A – Answer the following questions :-
Q1. What do you understand by computer ?
Ans – An electronic machine that takes instructions given by the uses, processes it and gives the desired result as an output is known as computer. It can perform many different tasks at a very fast speed.
Q2. How did a computer evolve?
Ans – Computer evolved after the invention and development of so many devices. In the early phase of its development , calculating devices were used to calculate anything.
Q3. What are the features of the modern computer?
Ans – Features of the modern computer are :-
It works on microprocessor.
It is fast and has a large memory to store data and information.
Q4. Explain the working of a computer .
Ans – A computer is a very intelligent machine. It works very fast in an organised manner. The computer works in three basic term :-
INPUT -> PROCESSING -> OUTPUT
Q5. Define the following :-
Storage – A computer has a large memory in which lots of data can be stored for future use.
Speed – A computer works very fast and performs billions of tasks in a few seconds.
Diligence – A computer is free from tiredness , lack of concentration , fatigue etc. It can works for hours without creating any error.