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WHAT IS A COMPUTER ?
It is an electronic device capable ofmanipulating data to generate usefulinformation.
DATARaw informationfacts or informationused usually tocalculate, analyze, orplan something
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CAPABILITIES OF COMPUTER
It is self -directing this means that the user provides allthe instructions to the computer at the start and then laterproceeds without any human intervention.
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CAPABILITIES OF COMPUTER
Saves and retrieved information it can storevoluminous data and gives out the same data whenneeded.
SAVE
RETRIEVE
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1956 5MB HARD DRIVE
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CAPABILITIES OF COMPUTER
Computes complex formulas and generate accurate data it can process calculations at high speed and producefast and precise output.
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CAPABILITIES OF COMPUTER
It performs logical operations it is an efficient tool inanalyzing and solving problems that involve decisions.
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CAPABILITIES OF COMPUTER
Communicates with the users and other machine it candisplay error messages on the screen about the usersinstructions or data thereby avoiding incorrect output orresults.
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CAPABILITIES OF COMPUTER
It is self-directingSaves and retrieved information
Computes complex formulas and generate accurate dataIt performs logical operationsCommunicates with the users and other machine
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LIMITATIONS OF COMPUTER
It cannot correct erroneous input data if mistakenlygiven incorrect data or instruction, it does not have theability to correct.
A computer fed with wrong data will produce wronginformation or in computer term, GIGO (Garbage In,Garbage Out)..
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LIMITATIONS OF COMPUTER
It can only do what it is instructed or programmed to do the computer executes and follows only the set ofinstructions that has been given/entered by the user.
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LIMITATIONS OF COMPUTER
It cannot generate information without any correct data orset of instructions entered by the user.
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LIMITATIONS OF COMPUTER
It is subject to occasional breakdown like any othermachines, a computer malfunction due to worn outcomponents such as cards, storage devices and others.
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LIMITATIONS OF COMPUTER
It cannot correct erroneous input dataIt can only do what it is instructed or programmed to doIt cannot generate information without any correct data or
set of instructions entered by the user.It is subject to occasional breakdown
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PARTS OF COMPUTER
INPUT DEVICESCPU
OUTPUT DEVICESSTORAGE DEVICES
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INPUT DEVICES
Used to enter data into computer
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CPU
Central Processing UnitBrain of the computer It process informationthrough computer.
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STORAGE DEVICES
Keep data temporarily or permanent.
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OUTPUT DEVICES
Uses to translate the computer processing intohuman readable form.
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MACHINE LANGUAGE
Computers are Digital. This means that the chip or"Brain" inside the computer only understands twostates. On and Off. Just like a light switch. You canonly flip a switch on and off. The code is basically aseries of 0's and 1's. These represent on and off. 1is on and 0 is off.
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INPUT PROCESSING OUTPUT
he
llo
0110100001100101
011011000110110001101111
he
llo
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