Answre the following questions.
a) What are input devices? List any four input devices.
Ans: The devices that are used to give input to the computer are called input devices.
eg. Mouse, Keyboard, Touch pad, Touch screen, Scanner, Joystick etc.
b) What is keyboard? Write different groups of keys.
Ans: Keyboard is a basic input device of computer. There are many keys in the keyboard.
Different groups of keys are:
Alphanumeric keys
Control keys
Functions keys
Navigation keys
Numeric keypad
c. What is mouse? How can you hold the mouse?
Ans: Mouse is a basic pointing input device of computer. it is used to point object and give command to the computer.
We have to hold the mouse gently with our index finger resting on the left button and thumb resting on the side.
d) What are different mouse actions?
Ans: The different mouse actions are:
i) Pointing ii) clicking iii) Double clicking iv) Right-clicking v) Dragging
a) What are input devices? List any four input devices.
Ans: The devices that are used to give input to the computer are called input devices.
eg. Mouse, Keyboard, Touch pad, Touch screen, Scanner, Joystick etc.
b) What is keyboard? Write different groups of keys.
Ans: Keyboard is a basic input device of computer. There are many keys in the keyboard.
Different groups of keys are:
Alphanumeric keys
Control keys
Functions keys
Navigation keys
Numeric keypad
c. What is mouse? How can you hold the mouse?
Ans: Mouse is a basic pointing input device of computer. it is used to point object and give command to the computer.
We have to hold the mouse gently with our index finger resting on the left button and thumb resting on the side.
d) What are different mouse actions?
Ans: The different mouse actions are:
i) Pointing ii) clicking iii) Double clicking iv) Right-clicking v) Dragging
e.What is web camera?
Ans: Web camera is an input device that takes photos or videos and puts them into the computer. It is widely used in Internet chatting.
f. What is Scanner?
Ans: A Scanner is an input device that copies images or printed text and puts them into the computer. it is also called direct entry or non-keyboard input device.
g. Why do we use joystick in computer?
Ans: We use joystick in computer to play game.
h. What is microphone? Why is it used in computer?
Ans: A microphone is an input device that is used to input sound or records your voice into the computer. It is also used in internet voice chatting.
e) Write short notes on:
i) Touch pad : Touch pad is a touch sensitive pad that is used as a pointing device in portable computer. We can point the objects and give command with touch pad.
ii) Touch Screen: Touch Screen is a touch sensitive screen. Our finger can be used for selecting object and giving command to the computer.
iii) Scanner : A Scanner is an input device that copies images or printed text and puts them into the computer. it is also called direct entry or non-keyboard input device.
iv) Web cam : Web camera is an input device that takes photos or videos and puts them into the computer. It is widely used in Internet chatting.
v) Microphone : A microphone is an input device that is used to input sound or records your voice into the computer. It is also used in internet voice chatting.
Write a single word for the following:
a) The device which is used to input sound to the computer. Microphone
b) The longest key of the keyboard. Spacebar
c) An input device which is used to take photos and puts into the computer. Web camera
d) The process of pressing left mouse button and moving it together. Dragging.
e) Write short notes on:
i) Touch pad : Touch pad is a touch sensitive pad that is used as a pointing device in portable computer. We can point the objects and give command with touch pad.
ii) Touch Screen: Touch Screen is a touch sensitive screen. Our finger can be used for selecting object and giving command to the computer.
iii) Scanner : A Scanner is an input device that copies images or printed text and puts them into the computer. it is also called direct entry or non-keyboard input device.
iv) Web cam : Web camera is an input device that takes photos or videos and puts them into the computer. It is widely used in Internet chatting.
v) Microphone : A microphone is an input device that is used to input sound or records your voice into the computer. It is also used in internet voice chatting.
Write a single word for the following:
a) The device which is used to input sound to the computer. Microphone
b) The longest key of the keyboard. Spacebar
c) An input device which is used to take photos and puts into the computer. Web camera
d) The process of pressing left mouse button and moving it together. Dragging.
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