Computer fundamentals
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Computer fundamentals
C = commonly O = operated M = machine P = particularly U = Used T = Trade E = Education R = Research NOTE****Computer Word Come from “Latin” Word “Compute”. **** What is computer? Computer is an electro machine calculating device, through the input device we can store data in CPU, then processing them though Central processing Unit and calculate or displayed result though the output device, It is called computer. Advantage of computer:
Disadvantage of computer:
Classi fication of computers Different Part of personal computer Analogue Computer: Analogue computers are these which measure the physical value like temperature or pressure that all along with a continuous scale. Example of analogue computer is speedometer of a car. Digital Computer: Digital computer can perform arithmetic and logical operating with binary digits (0, 1). Example of digital computer is pcs. Digital computer may be classified into four types according to their performance, size and cost etc. These are
Hybrid computer:- Hybrid computer is a computer which combines both the features of analogue and digital computer. *** Difference between analogue and digital computer?
**** Different part of computer:- Hardware: All the physical computers of a computer are known as hardware. Example: - mouse, keyboard and monitor etc. Software:- Software is a set of programs. A program is set of command and commands are a set of instructions. >>> Software may be three types-
Application software: Application software are a set of programs designed to carry out operations for a specific applications. Example of application software is word, excel and power point etc. System software: System software is a set program that controls the operation of a computer system. Example of system software is Dos, windows and UNIX etc. Device:
Input device:
Output device:
Keyboard is two types:-
OR Enhanced keyboard Key:-
What is Input device? Data and instructions are entered into a computer through input device. The commonly input devices are the keyboard. Example of others input devices are mouse, OMR, MICR and Scanner etc. Write about keyboard. The keyboard is one of the most common input devices which are used in almost all computers. Data and program are entered into a computer though keyboard. Layout of a keyboard is similar to the keyboard of type is writer. It contains alphabet, digits, special character, function key and some control keys. Write about mouse: Mouse is the most popular input device that is used to point and select an option on the computer screen. Directory: 2017 2017 -> 2017 afoCo Landmark Scholarship Program 2017 -> Florida Supplement to the 2015 ibc chapters 1-35 icc edit version note 1 2017 -> Florida Supplement to the 2015 ibc chapters 1-35 icc edit version note 1 2017 -> 2017 global korea scholarship korean Government Scholarship Program Application Guidelines for Undergraduate Degrees 2017 -> Department of natural resources 2017 -> Kansas 4-h shooting Sports Committee Application 2017 -> Astronomy (C) Teams will demonstrate an understanding of stellar evolution and Type Ia supernova. Bottle Rocket (B) 2017 -> Alabama Association of Educational Opportunity Program Personnel College Scholarship Competition 2017 -> Alabama Association of Educational Opportunity Program Personnel Survivor Scholarship Competition 2017 -> Recitals 2 Article 1 General Provisions 4 a 1 Purpose 4 b 2 Applicable Law and Regulation 4 Download 22.5 Kb. Share with your friends:
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