Identifies the functions of a computer system

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Assignment On Computer Fundamentals & DBMS, Task: 01, By SHEIKH MOHAMMED ARRAFI

There are four functions of computer system:

Data input: Every computer is designed with the primary function of data input, an operation performed through input devices. Data entry is done manually, automatically, or both. Manual input is done through additional peripherals such as keyboards, mice, and styluses. Text input can also be done through voice dictation applications and body gesture devices such as Kinect and biometric devices. Elsewhere, data entry is also done using mass storage media and network interfaces. The application software used for this will also require data to be entered. Word processing software is designed for basic alphanumeric data entry, while photo editing applications are used for entering and manipulating images. This data can be imported into a database, spreadsheet, or other form of computerized workspace. Automated and robotic applications can also be used to intelligently feed data to on-premises or remote computers. For example, tally of the electoral process can be done remotely and automatically.

Data processing: Data processing is the main function of the computer. Processing involves manipulating raw data before converting it into meaningful information. Generally, the data is in its raw form and will therefore be processed before being distributed to users. The "brain" of the computer where data is processed is called the microprocessor. It is also commonly referred to as a central processing unit (CPU) or an accelerated processing unit (APU). Modern personal computing device processors continue to evolve and outperform their predecessors. One particular development was the merging of the microprocessor and the graphics processing unit (GPU) into what is now known as the accelerated processor. Fusion enables the integration of powerful graphics processing capabilities into the processor's traditional arithmetic and logic operations. Besides the microprocessor, dynamic random access memory (DRAM) and static random access memory (SRAM) are an integral part of data processing. Data entered via input devices is stored temporarily in DRAM, and then transferred to SRAM from where the microprocessor manipulates it.

Information output: Once the raw data has been processed by the microprocessor, the results are intended to be disseminated for useful purposes. Therefore, the output is called information and is beneficial to the computer user.

Processed data or information may,

Data and information storage: The fourth and no less important function of a computer is to store data and information. After sleepless nights creating and editing videos and animations, users want the finished product to be archived for future release and further editing. Computers can store information internally and externally. A Hard Disk Drive (HDD) and/or Solid State Drive (SSD) is an internal storage device and is used to protect and store all data and information on a computer. In large systems, RAID systems are used. Multiple hard drives work simultaneously to ensure the integrity of data and information. External memory is achieved through accessories attached to the outside of the computer. These include external drives and optical discs. Best of all, data and information can be stored online in cloud solutions for a fee or for a fee if significant capacity is needed. Storage integrity is an important stage that can really determine the value of a computer system. Anyway, what good is a computer without data or information?

Reference: https://turbofuture.com/computers/The-Four-Functions-Of-A-Computer

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