Types and Compone nts of Computer BY Veronika

Types and Compone nts of Computer BY: Veronika

WHAT IS HARDWARE? Hardware refers to the physical components that make up a computer system.

WHAT IS SOFTWARE? Software is collection of programs designed to operate , control and extend the processing capabilities of the computer itself. WHAT IS THE DIFFERENCE BETWEEN HARDWARE AND Computer hardware is any physical device, SOFTWARE? something that you are able to touch and software is a collection of instructions and code installed into the computer and cannot be touched.

OPERATING SYSTEMS graphic user interface (GUI) command-line interface A GUI (usually pronounced "GOOee") is a graphical (rather than purely textual) user interface to a computer. A CLI is a user interface to a computer's operating system or an application in which the user responds to a visual prompt by typing in a command on a specified line, receives a response back from the system, and then enters another command, and so

MAIN COMPOMENTS OF A COMPUTER central processing unit (CPU) Is the hardware within a computer that carries out the instructions of a computer program by performing basic controls. ROM- It is capable of holding data and having that data read from the chip which means it can keep the contents if it has power or not RAM- a computer storage location that allows information to be stored and accessed quickly from random locations. The data can be lost if there is no power main/internal memory (including ROM and RAM) Used to store data temporarily.

MAIN COMPOMENTS OF A COMPUTER Backing Storage Input- a piece of computer hardware equipment used to provide data and control signals to an information processing system. Output- any piece of computer device used to communicate the results of data processing carried out by an information processing unit It is non-volatile so the data can be stored for a long time

DIFFERENT TYPES OF COMPUTER personal computer (PC) or desktop A compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data manage mainframe ment, financial analysis or computer games. A data processing systém employed mainly in large organizations for various applications including bulk data processing, process controls , industry and consumer statistics, enterprise resource planning laptop , and financial transaction processing. A computer that is portable and suitable for use while travelling.

DIFFERENT TYPES OF COMPUTER palmtop A batterypowered computer small enough to fit in the palm of the hand. personal digital assistant (PDA) a hand-held computer, often penbased, that provides especially organizational software, as an appointment calen dar, and communications hardware, as a fax modem.