72927644 karen kinglocke edpm sba

7/27/2019 72927644 Karen Kinglocke EDPM SBA

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ELECTRONIC DOCUMENT

PREPARATION & MANAGEMENT

SBA

NAME: Karen Kinglocke

GRADE: 11vega

SCHOOL: Little London High

TEACHER: Ms Forbes



OBJECTIVES

o What is a computer?

o Components of the computer

o Function of hardware devices



WHAT IS A COMPUTER?

A computer is an electronic device that

accepts data as input, processes the data

into information, stores and retrieve the

process data as output.



COMPONENTS OF COMPUTER SYSTEM

HARDWARE

This is the term used for the parts of the

computer that you can se and touch. It is the

collective name given to all the devices that

makeup a computer system. Hardware is

consist of peripheral, input, storage and

processing devices.



USERS

Anyone who operates a computer to

carryout tasks. Users maybe a computer

professional or end users such as employeeswho build and maintain the computer system.



SOFTWARE

These are programs that have organized sets

of instructions to make the computer work.

These cannot be touched nor seen, only the

package.



DATA

These are raw facts such as numbers, letters,

special characters or symbols. These convey

little meaning individually. data is organized in

files with the computer. Data is organized in

files with the computer. Data is stored in the

form of coded electrical impulse called bits.

Eight of these bits make a byte which isrepresented by a character such as a letter.



PROCEDURES

These are instructions that tells a user

how to operate and use the information

system.



TYPES OF HARDWARE

DEVICES

CPU

INPUTDEVICES

STORAGEDEVICES

OUTPUTDEVICES



FUNCTIONS OF HARDWARE DEVICES

CENTRAL PROCESSING UNIT

Arithmetic and Logic Unit – performs

all the calculation necessary for thecomputer to operate.

Control Unit- directs the flow of data

through the CPU and other devices.



CENTRAL PROCESSING UNIT



. INPUT DEVICES

Input devices are devices that allows data

to be transmitted into the computer .

OUTPUT DEVICES

Output devices are devices that allow

processed information to be sent out of the

computer system either on soft or hardcopy .



INPUT & OUTPUT DEVICES



. STORAGE DEVICES

Storage devices are used to store informationeven after the computer is turned off. These

include hard disk drive, floppy disk drive, etc.

these are usually located within the system of the computer. Contrarily, some of these

storage devices are found outside the system of

the computer such as, flash drive, mp3 player,

compact disk, etc.



STORAGE DEVICES



END OF PRESENTATION

72927644 karen kinglocke edpm sba

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