ite assingment power point
TRANSCRIPT
PRESENTED BY:HARIZ AMIRUL BIN AIDI ROSLAN
SHM 12-07-3400
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A CASE CONTAINS
ELECTRONIC
COMPENENTS OF
THE COMPUTER
USEDTO PROCESS
DATA
SYSTEM UNITS
CONTAIN MOTHERBOARD
PROCESSOR
MEMORY
DRIVE BAY
POWER SUPPLY
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MOTHERBOARD
THE MAIN CIRCUIT BOARD OF THE
SYSTEM UNIT.
A COMPUTER CHIP CONTAINS
INTEGRATED CIRCUITS
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PROCESSOR
ALSO KNOWN AS
CENTRAL
PROCESSING UNIT
(CPU)
CPU INTAPRATES
AND CARIES OUT
THE BASIC
INSTRUCTION THAT
OPERATE A
COMPUTER
CPU CONTAINS
CONTROL UNIT(CU)
○ DIRECTS AND
CORDINATES
OPERATIONS IN
COMPUTER
ARITHMETICS
LOGIC UNIT (ALU)
○ PERFORM
ARITHMETICS,
COMPARISON AND
LOGGICAL
OPERATIONS
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CPU
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THE PROCESSOR CONTAINS
REGISTERS, THAT TEMPORARILY HOLD
DATA AND INSTRUCTIONS
THE SYSTEM CLOCK CONTROLS THE TIMING OF ALL
COMPUTER OPERATIONS
THE PACE OF SYSTEM CLOCK IS CALLED THE CLOCK SPEED AND MEASURED IN GIGAHERTZ (GHz)
A PROCESSOR CHIP GENERATES HEATS THAT COULD CAUSE THE CHIP TO BURN UP
REQUIRE ADDITIONAL COOLING HEATS SINKS LIQUID COOLING
TECHNOLOGY
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CONSISTS OF ELECTRONIC COMPENENTS THAT STORE ◦ INSTRUCTIONS
WAITING TO BE EXUCATED BY THE PROCESSOR
◦ DATA NEEDED BY THOSE INSTUCTIONS
◦ THE RESULTS OF PROCESSING DATA
BASIC ITEM THAT
BEEN STORE
THE
OPERATING
SYSTEM AND
OTHER
SYSTEM
SOFTWARE
APPLICATIONS
PROGRAMS
DATA BEING
PROCESSED
AND THE
RESULTING
INFORMATION
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MEMORY SIZE
Term Abbreviation Approximate Number Of
Bytes
Exact Number Of Bytes
ApproximateNumber Of
Pages Of Text
Kilobytes KB And K 1 Thousand 1,024 ½
Megabytes MB 1 Million 1,048,576 500
Gigabytes GB 1 Billion 1,073,741,824 500,000
Terabytes TB 1 Trillion 1,099,511,627,776 500,000,000
•EACH LOCATIONS MEMORY HAS AN ADDRESS
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Volatile memory
• Loses its contents when power is turned off
• Example : RAM
Nonvolatile memory
• Does not loses contents when power is removed
• Example: ROM, flash memory and CMOS
Type of memory
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MEMORY
Dynamic RAM (DRAM)
Static RAM (SRAM)
MagnetoresistiveRAM (MRAM)
Basic types of RAM chips exist
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A bay is an opening inside the system unit
in which you can install additional
equipment
A drive bay typically holds disk drives
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POWER SUPPLY
Converts the wall outlet AC power into
DC power.
Some external peripherals have an AC
adapter, which is an external power
supply.
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REFERENCES
Book
Information Technology Fundementals Module (MARA Professional Collage, Seri Iskandar)
Internet
http://www.youtube.com/watch?v=kStK089WDj4&featur
e=related
http://en.wikipedia.org/wiki/Volatile_memory
http://www.techterms.com/definition/system_unit
http://en.wikipedia.org/wiki/Power_supply
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