Q. 1)name any 5 input and output devices and explain their purpose. �

1.	Q. 1)name any 5 input and output devices and explain their purpose.
Answer» Explanation: 5 Input DeviceName:- 1)Mouse 2)KEYBOARD 3)Optical Scanner 4)Microphone 5)Touch Screen *Input Device Purpose:- 1)Mouse:-A mouse is an electro mechanical, hand held device . It is used as a POINTER. It can perform functions like selecting menu commands, moving icons, resizing windows, starting programs, and choosing options. 2)Keyboard:-* A keyboard is the most common input device. Generally standard keyboard has 104 keys. 3)Optical Scanner:-These devices are used for automatic data collection. The devices of this category COMPLETELY eliminate manual input of data. 4)Microphone:-Microphone is an input device, which takes VOICE as input. The voice communication is more error-prone than information through keyboard. 5) Touch screen:-Touch panel displays and pads are now being offered as alternatives to keyboard.

Q. 1)name any 5 input and output devices and explain their purpose.

Answer»

Explanation:

5 Input DeviceName:-

1)Mouse

2)KEYBOARD

3)Optical Scanner

4)Microphone

5)Touch Screen

Input Device Purpose:-

1)Mouse:-A mouse is an electro mechanical, hand held device . It is used as a POINTER. It can perform functions like selecting menu commands, moving icons, resizing windows, starting programs, and choosing options.

2)Keyboard:- A keyboard is the most common input device. Generally standard keyboard has 104 keys.

3)Optical Scanner:-These devices are used for automatic data collection. The devices of this category COMPLETELY eliminate manual input of data.

4)Microphone:-Microphone is an input device, which takes VOICE as input. The voice communication is more error-prone than information through keyboard.

5) Touch screen:-Touch panel displays and pads are now being offered as alternatives to keyboard.

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