A mainframe computer is a large, powerful computer system that can process data for multiple users simultaneously. It consists of multiple processors and can execute millions of instructions per second. Mainframe computers are designed to handle intensive tasks and processing loads through their size, speed, and parallel design for large scale computing needs.

3. Computer is an electronic
devices that solves problems
by a processing data

6. input
process
outputstorage
communication

8. It is larger and more powerful computers than personal computers.
It can
execute five million instructions per second. It generally consists
of two or more
processors

9. Mainframe
computers
A mainframe is a large computer in term of price, power and speed. It
consists of multiple processors. It is specially designed to perform
multiple intensive tasks for multiple users simultaneously

11. Input and input devices
Everything that we give to the computer is called input.
An input devices is any hardware that allows you enter data
into the computer.

13. Central processing unit
Control unit
(CU)
Arithmetic and
logic unit
memory Output
devices
Input devices
Storage devices