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Computer System (1.1 System concept ) - Coggle Diagram
Computer System
(1.1 System concept )
What is computer
An electronic device that accepts data (input),process data and produces information.
What is a computer system ?
A complete , working computer that includes operating system, software and hardware which are necessary to make the computer function.
Components of computer system
Hardware
system unit
output devices
input devices
storage devices
Software
operating system
utility program
system software
application software
Computer tasks
Convert data between binary series and othe rnumbering
systems.
2.Encode letters, numbers and symbols as set of binary
codes.
3.Perform arithmetic
4.Perform logic processing.
Information processing cycle
:pencil2: Information Processing Cycle is a series of input , procces , output and storage activities performed by a computer
4 operation involved in Information Processing Cycle
Output
example
The Printer
prints
the receipt of transaction
The ATM system
dispenses
the money through the cash dispenser
Computer screen
displays
the monthly rainfall statistics.
Data that has been processed into a useful form
Storage
The operation of saving data , information and programs in computer process form for future use.
example
Store
the answer for future use
store
the latest transaction date, time and location.
Save
the new balance of the money
Save
documents on a cloud storage such as OneDrive
Process
example
Determine
transaction type
Determines
rainfall every month
Calculate
balance after a transaction.
Multiplying
of two numbers
The bar code reader
indentify
the product code
System
verify
the pin number / password
Transforming data into information . Performing operation on the data such as calculations.
Input
Entering data and instruction into a computer by using input devices .
example
The machine
accept
the amount of money
inserted
by using touch screen
Fingerprint scanner
scan
the fingerprint to aunthenticates visitor through their fingerprint scanning.
The action of typing username and password into a computer
