02-06-2012, 11:56 AM
Computers 2 Marks Questions & Answers
Computers 2 Marks.pdf (Size: 506.64 KB / Downloads: 160)
1. Define computers?
A computer is a programmable machine or device that performs pre-defined or
programmed computations or controls operations that are expressible in numerical or logical
terms at high speed and with great accuracy.
(Or)
Computer is a fast operating electronic device, which automatically accepts and store
input data, processes them and produces results under the direction of step by step program.
2. Why computer is known as data processing system?
Any process that uses a computer program will enter data and summarize, analyze or
otherwise convert data into usable information. The process may be automated and run on a
computer. It involves recording, analyzing, sorting, summarizing, calculating, disseminating
and storing data. Thus Computer is known as data processing system.
3. What is Data and Information?
Data - Data is the fact or raw material for the information processing.
Information – The processed data is called information.
4. What are the basic operations of Computer?
1) It accepts data or instructions by way of input.
2) It stores data.
3) It can process data as required by the user.
4) It gives results in the form of output.
5) It controls all operations inside a computer.
5. Give the applications computer?