Revision

Revision

Welcome!

In today's class:

We will learn the basic parts of the computer, and their fuctions.

Parts

• Keyboard: A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (these are called characters in a keyboard) into a computer. ... Using a keyboard to enter lots of data is called typing. A keyboard contains many mechanical switches or push-buttons called "keys".

• Mouse: A computer mouse  is a hand-held pointing device that detects two-dimensional motion relative to a surface. Mice often also feature other elements, such as touch surfaces and scroll wheels, which enable additional control and dimensional input.

Multiple Select

A monitor is a input device.

• True

• False

Multiple Select

Mouse and Keyboard are input devices.

• True

• False

• Monitor: A computer monitor is an electronic device that shows pictures for computers. Monitors often look similar to televisions. The main difference between a monitor and a television is that a monitor does not have a television tuner to change channels. Monitors often have higher display resolution than televisions.

• CPU: Also know as Central Processing Unit is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.

Fill in the Blanks

What is the full meaning of CPU?

Multiple Choice

How many parts of the CPU are there ?

• 6

• 3

• 8

• 4

• Monitor: A computer monitor is an electronic device that shows pictures for computers. Monitors often look similar to televisions. The main difference between a monitor and a television is that a monitor does not have a television tuner to change channels. Monitors often have higher display resolution than televisions.

• CPU: Also know as Cent