FUNCTIONAL UNITS OF A COMPUTER SYSTEM . Digital computer systems consist of three distinct units. These units are as follows: Input unit Central Processing unit Output unit these units are interconnected by electrical cables to permit communication between them. This allows the computer to function as a system. Input Unit A computer must receive both

07/08/2018 · Details of Functional Components of a Digital Computer. Input Unit : The input unit consists of input devices that are attached to the computer. These devices take input and convert it into binary language that the computer understands. Some of the common input devices are keyboard, mouse, joystick, scanner etc.

Functional Units of a Computer: Input, Output, Memory and Control Units. NEXT: Characteristics of Computer. Online Test. Computer is a device that operates upon information or data. It is an electronic device which accepts input data, stores the data, does arithmetic and logic operation and outputs the information in desired format.

17/10/2017 · Functional units of computer FUNCTIONAL UNITS Arithmetic Logical Unit (ALU) Logical Unit Logical Unit :After you enter data through the input device it is stored in the primary storage unit. The actual processing of the data and instruction are …

Functional elements. A typical digital computer system has four basic functional elements: (1) input-output equipment, (2) main memory, (3) control unit, and (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation.

In practice, digital computers function more reliably if only two states are used. Because of the physical restriction of components, and because human logic tends to be binary (i.e. true or false, yes or no statements), digital components that are constrained to take discrete values are further constrained to take only two values and are said to be binary .

24/02/2020 · The control Unit and the Arithmetic and Logic unit of a computer system are jointly known as the Central Processing Unit (CPU). The CPU is the brain of any computer system. In a human body, all major decisions are taken by the brain and the other parts of the body function as directed by the brain.

By convention, the digital computers use the binary number system, which has two digits: 0 and 1. A binary digit is called a bit. A computer system is subdivided into two functional entities: Hardware and Software. The hardware consists of all the electronic components and electromechanical devices that comprise the physical entity of the device.

21/06/2017 · A digital computer is a programmable machine which read the binary instruction and processes the data which are presented in binary form. Digital computers are different from analog computers in the sense that analog computer process the analog data. Here the term analog represents continuous data .