Fcpit Project

PRACTICAL 1 FAMILIARISATION WITH reckonerS INTRODUCTION TO COMPUTERS ready reckoner is an electronic wrench, operating low the control of instructions stored in its protest memory, which can let data ( introduce), produce go forths ( end product) and store the result for the future use. Computer being a computing or processing device can also be called a processor. It processes the data gathered to produce some useful output which is k zero(prenominal)n as information. The information is stored on the secondary storehouse media or displace to any output device. Fig. no. 1.1- COMPUTER stimulus building block| CPU| OUTPUT unit of measurement| MEMORY| Fig. no.1.2-BLOCK DIAGRAM OF COMPUTER INPUT DEVICES A hardware device that sends information to the data processor. Without any input devices a computer would simply be a presentation device and non allow users to interact with it, much wish well a TV. 1. KEYBOARD - The set of typewriter like keys that enables you to enter data in a computer. Computer keyboards are similar to electric typewriter keyboards only when invert additional keys like alphanumeric keys, punctuation keys, spare keys. The archetype layout of letters, numbers and punctuation is known as QWERTY keyboard.

Fig. no. 1.3- KEYBOARD 2. creep A dev! ice that controls the purport of the cursor or arrow on a display screen. A hook is a small object you can roll on a hard, flat surface. It is of three basic types : (i) Mechanical (ii) Optomechanical (iii) Optical Fig. no.1.4- cabbage 3. stick A lever that moves in all directions and controls the movement of a pointer or some...If you want to get a all-inclusive essay, order it on our website: OrderEssay.net

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