Computer System1

8/6/2019 Computer System1

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BA101BA101

COMPUTER APPLICATIONCOMPUTER APPLICATION

DEPARTMENT OF MATHEMATICS,DEPARTMENT OF MATHEMATICS,SCIENCE & COMPUTERSCIENCE & COMPUTER

POLITEKNIK KOTA BHARUPOLITEKNIK KOTA BHARU

TOPIC: COMPUTER

SYSTEM


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INTRODUCTIONINTRODUCTION

HARDWAREDevices making up the

computer system

SOFTWAREWritten program

or procedures

CENTRAL PROCESSINGUNIT (CPU)

MEMORY UNITS

PERIPHERILS(I/O UNITS)

SYSTEM SOFTWARE

APPLICATIONSOFTWARE


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COMPONENT OFCOMPONENT OFCOMPUTERCOMPUTER

INPUT DEVICE OUTPUT DEVICE

MEMORYSTORAGE

OPERATINGSYSTEM/CPU


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INPUT DEVICESINPUT DEVICES

Everything we tell the computer isinput

Data is the raw facts given to thecomputer

Programs are the sets of instructionsthat direct the computer


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INPUT DEVICESINPUT DEVICES

INPUT

KEYBOARD

MOUSE

SCANNER

DIGITIZER

LIGHT PEN

MICROPHONE


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OUTPUT DEVICESOUTPUT DEVICES

Output is data that has beenprocessed into useful form, now call

information Types of output is hardcopyandsoftcopy


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OUTPUT DEVICESOUTPUT DEVICES

OUTPUT

MONITOR

PRINTER

SPEAKER

PLOTTER

VIDEO CAMERA


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MEMORYMEMORY

Refers to the media and methodsused to keep information available

for later use Primary storage is main memory


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MEMORYMEMORY

OUTPUT

ROM

HARD DISK

CD ROM

FLOPPY DISK

RAM

REMOVABLE DISK

CD-RW


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OPERATING SYSTEMOPERATING SYSTEM

An operating system is a programdesigned to run other programs on acomputer

For PCs, the most popular operatingsystems are DOS, OS/2, andWindows, but others are available,

such as Linux.


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Operating systems are responsiblefor everything from the control andallocation of memory to recognizinginput from external devices andtransmitting output to computerdisplays


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OUTPUT

ARITHMATICS

& LOGICSUNIT (ALU)

CONTROL UNIT

(CU)


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COMPUTERCOMPUTERNETWORKINGNETWORKING

A computer network allows sharing ofresources and information among devicesconnected to the network.

Computer networks can be classifiedaccording to the hardware and softwaretechnology that is used to interconnect theindividual devices in the network, such asoptical fiber, Ethernet, Wireless LAN,HomePNA, Power line communication.


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UTILITY AND APPLICATIONUTILITY AND APPLICATIONPROGRAMSPROGRAMS

Utility programs tasks related to themaintaining of your computers health hardware or data.

Application programs are mean toaccomplish specialized tasks they aredesigned for.


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UTILITY AND APPLICATIONUTILITY AND APPLICATIONPROGRAMSPROGRAMS

UTILITYPROGRAMS

-FILE MANAGEMENT- DATA RECOVERY

-DISK MANAGEMENT-ANTI-VIRUS

APPLICATIONPROGRAMS

-MS OFFICE-DATABASE-GRAPHICS

-PRESENTATIONS-COMMUNICATIONS

-BROWSER-EMAIL


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THE END..THE END..


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ASSIGMENT 1ASSIGMENT 1

Prepared in group oftwo members anassignment report about:

1) The history of computer

2) The component of computer: input,output, memory and processor

Submit 2 weeks from now.

Computer System1

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