COMPUTER TRAINING PROGRAMMEOBINKYEREH WILLIAMS

INTRODUCTION TO THE COMPUTER.

DEFINITION OF COMPUTER

FEATURES OF THE COMPUTER

DATA AND INFORMATION

CLASSIFICATION OF COMPUTER

THE COMPUTER SYSTEM

INTRODUCTION TO THE COMPUTER CONT’D

INPUT

CONTROL

OUTPUT

COMPUTER HARDWARE

COMPUTER SOFTWARE

DEFINITION OF COMPUTER DEFINED AS AN ELECTRONIC AND

A MECHANICAL DEVICE, THAT WORK UNDER THE CONTROL OF STORED PROGRAMS, AUTOMATICALLY ACCEPTING, STORING AND PROCESSING DATA

TO PRODUCE INFORMATION.

FEATURES OF THE COMPUTER

MECHANICAL AND ELECTRONIC DEVICE.

ACCEPTS DATA PROCESSES DATA AT INCREDIBLY

HIGH SPEED. OPERATION IS AUTOMATIC. PROVIDES INFORMATION.

DATA AND INFORMATION A DATA IS INFORMATION RAW

MATERIAL

INFORMATION IS THE OUTCOME OF A PROCESSED DATA.

CLASSIFICATION OF COMPUTER

SIZE PURPOSE PROCESSING SPEED METHOD OF OPERATION

BY SIZE

MAINFRAME COMPUTERS

MINI COMPUTERS

DESKTOP COMPUTERS

LAPTOP COMPUTERS

PALM TOP COMPUTERS

PURPOSE

SPECIAL PURPOSE

GENERAL PURPOSE

PROCESSING SPEED

PROCESSOR

MICRO-PROCESSOR

SUPER-MICRO

METHOD OF OPERATION

ANALOG

DIGITAL

HYBRID

.COMPUTER HARDWARE

REFERS TO THE MECHANICAL

GADGETS SEEN PHYSICALLY

AS BOXES IN ANY COMPUTER

SYSTEM.

COMPUTER HARDWARE DEVICES

INPUT DEVICES

STORAGE

CONTROL DEVICES

PROCESSING

OUTPUT DEVICES

INPUT

IS PROCESS BY WHICH DATA, INSTRUCTIONS AND COMMANDS ARE FED INTO THE COMPUTER

INPUT DEVICES KEYBOARD MOUSE DISKETTE CD ROM MODEM

INPUT DEVICE CONT’D

MICROPHONE

ZIP TOOL

SCANNER

MAGNETIC TAPE

MICAR

CONTROL

CENTRAL PROCESSING UNIT (C.P.U)

ARITHMETIC AND LOGICAL UNIT

(A.L.U)

MEMORY AND STORAGE.

MEMORY

RAM -RANDOM ACCESS MEMORY

ROM -READ ONLY MEMORY

RANDOM ACCESS MEMORY THE PARTS OF THE MEMORY WHERE

WE CAN WRITE OR EDIT OUR TEXT.

VERY VOLATILE

READ ONLY MEMORY PROTECTED AND CANNOT BE

ALTERED.

IS PERMANENT IN NATURE

OUTPUT WHERE PROCESSED INFORMATION IS

RECEIVED.

OUTPUT DEVICES

V.D.U. FOR SOFT COPY OF INFORMATION PRINTER FOR A HARD COPY OF

INFORMATION DISKETTE FOR STORING INFORMATION COMPACT DISC FOR STORING

INFORMATION SPEAKER FOR HEARING OF INFORMATION PLOTTER FOR ARCHTECTRUAL DESING

BOOTING OF COMPUTER

IS TO SWITCH ON THE COMPUTER

TYPES BOOTING

COOL BOOTING

WARM BOOTING

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END OF PART ONE