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Published on: 19/09/2019
Introduction to Computers
Download Tamil Nadu 11th Standard Computer Applications question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Applications Test
1.
Write a note on a device which in used to draw lines on VDU.
2.
How the generation of computer development characterized?
3.
What makes Charles Babbage the father of computing?
4.
What is Bio engineering?
5.
Name the types of Monitors.
6.
What is use of scanner?
7.
Name the types of computer introduced in Fourth generation computers.
8.
Expand VLSI.
9.
Name the Second generation computers.
10.
Distinguish Primary and Secondary memory.
11.
Differentiate Input and output unit.
12.
Write the functions of control unit.
13.
What is the function of an ALU?
14.
Distinguish between data and information
15.
What is a computer?
1.
Light Pen is an input device which is used to draw lines or figures on a computer screen. It is touched to the CRT screen where it can detect faster on the screen as it passes.
2.
Each generation of computer development is characterized by one or more hardware/software developments that distinctly improved the performance of the computers of that generation.
3.
Charles Babbage radical ideas and concept of the Analytical Engine (It contained an ALU, basic flow control and integrated memory) makes him the father of computing.
4.
A discipline that applies engineering principles of design and analysis to biological systems and biomedical technologies.
5.
(i) CRT - Cathode Ray Tube
(ii) LCD - Liquid Crystal Display
(iii) LED - Light Emitting Diodes
6.
The scanner converts any type of printed or written information including photographs into digital pulses, which can be manipulated by the computer.
7.
(i) Microcomputer
(ii) Portal Computers
8.
(i) Very Large Scale Integrated Circuits.
(ii) Ultra Large Scale Integration
9.
IBM 1401, IBM 1620, UNIVAC 1108
10.
| Primary Memory | Secondary memory |
| It is used to temporarily store the programs and data when the instructions are ready to execute. | It is used to store the data permanently. |
| It is volatile, the content is lost when the power supply is Switched off. Eg. RAM |
It is non-volatile, the content is available even after the power supply is Switched off. Eg. ROM,CD-ROM, DVD ROM. |
11.
| Input Unit | Output Unit |
| Input unit is used to feed any form of data to the computer, which can be stored in the memory unit for further processing. | An output unit is any hardware component that conveys information to users in an understandable form. |
| Example: Keyboard, mouse etc. | Example: Monitor, Printer etc. |
12.
The control unit controls the flow of data between the CPU, memory and I/O devices. It also controls the entire operation of a computer.
13.
(i) The ALU performs arithmetic operations.
(ii) The result of an operation is stored in internal memory of CPU.
(iii) The logical operations of ALU promote the decision making ability of a computer.
14.
| Data | Information |
| Data is defined as an unprocessed collection of raw facts, suitable for communication, interpretation or processing. | Information is a collection of facts from which conclusions may be drawn. |
| (Eg) 134, 16, 'Kavitha', 'C' | (Eg) Kavitha is 16 years old. |
15.
(i) A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
(ii) Computer works faster than human being and given the values more accuracy and reliable.
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Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
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Tamilnadu Stateboard Standards
