What are the external parts of a system unit?

The Different External Parts of a Computer

Tower. The tower is the central brain of the computer.
Monitor. The computer’s monitor, or screen, is the window into the workings of the computer.
Keyboard.
Mouse.
CD/DVD Drive, Floppy Drive and USB drives.
Printers and Scanners.

What are the components of central processing unit?

The central processing unit (CPU) consists of six main components:

control unit (CU)
arithmetic logic unit (ALU)
registers.
cache.
buses.
clock.

What are the major external components of the PC?

The different external components are:

Input peripherals Keyboard. Mouse. Trackpad. Trackball. Graphic tablet. Touch screen. Scanner.
Output peripherals Video display. Printer. Fax modem. Network interface.
External storage Hard disks. Removable storage devices. Floppies and similar storage devices. Flash drives. CD/DVD burners. …

What are the two parts of system unit?

Note that the computer system unit is the box-like structure that people erroneously refer to as the CPU. Inside the system unit, expect to find; the motherboard, hard disk drive(s), optical drive(s), power supply unit, and in some old systems fan and floppy disk drive.

What are the functions of a central processing unit?

A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions in the program.

What are external components?

External components are devices that are outside the computer box or that have been added to the computer system by connecting them to one of the ports on the back of the computer. Internal and external components of a computer.

What are the basic internal and external components of a computer?

The internal components of a computer system consist of the hardware required to store and process data, and communicate with external devices, such as the input (e.g. keyboard, mouse), output (e.g. screen, printer), and external storage devices (e.g. USB stick).