FUNCTIONS OF
COMPUTER
INPUT- is the data entered to a computer
From the input devices, such as a keyboard,
Mouse, scanner, camera, microphone, etc.
The input data can also be a character, word,
Image, sound etc.
Processing- the task of performing operations
Like logical and arithmetic operations. It performs
All types of calculations based on the instructions
Given such as editing or modifying a document,
Etc. It is then stored in the computer’s main memory.
Output – the result generated after processing
The input data. Output data can be in the form of
Text sound, imgae, printed document, etc. The devices
Used in displaying or generating an ouput may be a
monitor, printer, speaker, etc.
Storage- the process of storing instructions
And data permanently. Storage devices include
A flash drive, disk or tape.
SPEED- The Computer can process data
Fastly that no human being can compete. It
Can solve complex computations and analyze
Data in few seconds. Examples are calculators,
Weather forcasting, PCOS machines.
Accuracy-Aside from being fast, computers
Can give result accurately. Since it is programmed,
Any error that may occur can be attributed to human error
(Either the user or the programmer)
Deligence- Unlike humans, a computer can
Consistently perform any task for a long period
Of time. They do not suffer from human traits like
Boredom and tiredness so it can perform a series
Of repetitive tasks with the same speed and accuracy from
Beginning till end.
Storage Capability- Today’s computers
Can store a large volume of data. Once data
Or information is storage.it can never be forgotten
And can be retrieved at any time.
Versatility- computers are capable of performing
Any task even the same time.
MULTITASKING- with the use of computers,
Processing of tasks becomes faster and easier.
Since computers perform Fastly and accurately, people
Can save time and energy.
RECORD KEEPING. Since computers have large
Storage capacity, organizations can maintain accounts
And manage transactions even for a long period of time.
BEST FOR ENTERTAINMENT AND
ONLINE SERVICES-people can use their
Gadgets or mobile phones for watching movies
Or videos, listening to music,playing computer games,
Communicating with loved ones or friends or even
Paying bills online.
GREAT EDUCATIONAL TOOL- students
Can have their research for additional information
Other than what is taught inside the classrooms.
REDUCTION IN EMPLOYMENT OPPORTUNITY
Since tasks are performed automatically using
Computers, It reduces the need for people.
WASTAGE OF TIME AND ENERGY
Other people do not use computers wisely.
They spend most of their time using social media
Or playing computer games.
COMPUTER CRIMES
Computers become a venue for commitiing
Cyber crimes like hacking, cyberbullying, pornography,
Etc.
HEALTH RISKS
The use of computers for a prolonged
Period of time can result in neck and back pain, poor,
Eye sights, etc.