ABOUT COMPUTERS

1. Fill in the blanks:

(a) PARAM 2000 is the first Indian supercomputer. 

(b) Hardware is the visible component of a computer.

(c) Software can be classified into System Software and Application Software.

(d) Printers and Plotters are the example of Output devices.

(e) Tianhe-2 is at present the fastest supercomputer of the world.

2. Match the following:

(a) Input Device - Keyboard

(b) Output Device - Printer

(c) Storage Device - Hard Disk

(d) Operating Device - Linux

(e) Microcomputer- Tablet PC

3. Select the most appropriate alternative:

(a) Visible components of computer are called:

Ans:- Hardware

(b) Compiler is a example of:

Ans:- Language Processor

(c) Which of the following is not an operating system?

Ans:- Orange

(d) i-Pad tablet was developed by:

Ans:- Apple Inc.

(e) Which of the following is not a supercomputer?

Ans:- CDC Cyber Series

4. Differentiate between the following:

(a) Hardware and Software

Ans:- Hardware:- The visible components of a computer are called Hardware.

          Software:- Program or a set of programs that perform a particular task is called as Software.           

(b) Application software and System software

Ans:- Application Software:- It is a set of programs which is made specially for defined operations, or              to accomplish  some specific types of task.

          System Software:- System software controls the internal operations of computer.

(c) Supercomputer and Mainframe computer

Ans:- Supercomputer:- It has multiple processor which are based on parallel processing. Its speed is    high. It executes more than 100 millions of instruction in a second. It has very large capacity of              storage and memory. It is designed for special purpose.

          Mainframe computer:- It is a very large size computer. It supports hundreds or even thousands of users  at a time..It is designed for specific purposes.

5. Answer the following questions:

(a) Define utilities.

Ans:- Utilities are kind of software that accomplish supportive types of  task a computer system which help the functioning of application software or system software, for example virus cleaner, winzip, etc.

(b) What is computer language?

Ans:- The language in which the instructions are written to develop a software is known as 'Computer Language'. 

(c) List the five fastest supercomputer of the world?

Ans:- PARAM 2000 ,  ANURAG ,  Tianhe-2 , Titan , IBM Sequoia , Fujitsu K-Computer , Mira etc.

6. Mention about the areas where the following type of computers are used:

(a) Supercomputer:- Meteorology , space research , satellite managements, weather forecasting, aerodynamics, simulations or complex computations etc.

(b) Microcomputer:- cyber cafes , schools , offices , banks ,etc.

(c) Minicomputer:- organizations , industry etc.

(d) Mainframe computer:- Scientific researched, nuclear studies, weather forecasting, Banks, Government departments etc.

7. Give some examples of the following:

 

(a) A Supercomputer:- PARAM 2000 ,  ANURAG ,  Tianhe-2 , Titan , IBM Sequoia , Fujitsu K-Computer , Mira etc

A Microcomputer:- IBM PC 100 , 200 Apple Macintosh , Personal Computers etc.

A Minicomputer:- HCL Magnum , VAX7500 etc.

A Mainframe computer:- IBM 4381 , CDC Cyber series , etc