*INDUSTRIAL TRAINING IN AMBALA

*Basic Computer

Knowledge

*Definition Computer ?

*An electronic device that stores, retrieves & processes data, & can be programmed with instructions. A computer is composed of hardware & software & can exist in a variety of sizes & configurations.

*Computer have two main parts

*Computer Hardware *Computer software

*What is a Computer

Hardware ?*The term Hardware refers to the Physical Components of your computer such as the system unit, mouse, keyboard, monitor etc.

*What is a Computer

Software ?*The software is the instructions that makes the computer work. Software is held either on your computers hard disk, CD-ROM, DVD or on a diskette (floppy disk) & is loaded (i.e., copied) from the disk into the computers RAM (random access memory), as and when required.

*What is Input Device ?

*Whatever goes into the computer. Input can take a variety of forms, from commands you enter from the keyboard to data from another such as a keyboard or mouse, is called an input device.

*What is Output Device ?

*Something (such as power, energy or information) that is produced by a machine or system. Eg.: Printer, Speaker.

*Basic Computer Quiz.

Question 1: The first mechanical computer designed by Charles Babbage was called?A. A. Analytical EngineB. AbacusC. CalculatorD. Processor

Answer : (a) Analytical Engine

Question 2: C is ?A. A machine languageB. A third generation high level languageC. An assembly languageD. All of the above

Answer : (b) A third generation high level language

Question 3: The most common system security method is :-A. PasswordB. EncryptionC. Fire wallD. All of the above

Answer : (c) Fire Wall

Question 4: Which of the following is an example of non volatile memory ?A. VLSIB. ROMC. RAMD. LSI

Answer : (b) ROM

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*Yogini Sharma