At a fundamental level, computers operate through these four functions:input, output, processing, and storage. Input : the transfer of information into the system (e.g., through a keyboard). Output: the presentation of information to the user (e.g., on a screen).
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What are the four basic functions of computer?
What are the Four Basic Functions of Computer System? 1 Input Functions of Computer System. The data or set of information is provided or given to computer system through input devices such as Keyboard, mouse, and so on. 2 Output Functions of Computer. … 3 Processing of Computer System. … 4 Storage Unit of Personal Computer. …
What is the fourth basic operation of a computer?
The fourth basic operation, storage, allows the computer to recall previously entered data and store information. This includes documents, music, log files, software, and the operating system (OS). The most common storage medium is the hard drive.
What are the two types of operations performed by the CPU?
CPUs perform two basic types of tasks: arithmetic operations and logical operations. Arithmetic operations involve basic math like addition and subtraction, while logical operations compare two numbers. Output devices display the results of the CPU’s computations in a form the user can understand.
How does a computer process data?
Computers have the innate ability to process data using a central processing unit (CPU). Also known as the processor, this device is the brain of the PC. CPUs perform two basic types of tasks: arithmetic operations and logical operations.