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Input Devices
Games are an example of
software. A software is basically
a computer program. The devices that are used to enter data into the computer and give instructions are called
input devices. Some input devices are keyword and mouse. Now, let us learn about more
input devices.
Keyboard
A keyboard has many buttons that help you type letters, numbers,
symbols and execute various commands.
Mouse
A mouse is a pointing device which allows user to select or point on the screen.
Scanner
Okay! I got it.
A scanner is used to read paper documents, images or pictures and send them
Test Your Knowledge 21 st Century #Critical Thinking as input to the computer. It converts hard copy into soft copy. A scanner can
Skills
be connected to a computer using a USB cable.
Write the names of the following devices:
Joystick
a. b. c. d. A joystick is used to play games on a computer. It helps control the different
movements or actions in the game.
Microphone
A computer works on the IPO (Input-Process-Output) A microphone is used to record voice, music and sounds that can be stored on a
cycle. It receives input from the user through input computer.
devices, processes it using the CPU and gives back the
output using output devices. The CPU is the brain of a Web Camera
computer. We have learnt about the parts and uses of A web camera is used to take pictures in digital form and store photographs in
a computer in our previous classes. Let us learn more about the computer parts. the computer. It is also known as webcam. It is commonly used for video
conferencing.
COMPUTER HARDWARE Light Pen
The parts of a computer that we can see and touch are called Hardware. All input, A light pen is used to point to objects or draw on the screen in a way like a
processing, output and storage devices form the hardware components of a computer touch screen. It is used to draw text and diagrams on the monitor.
system. Hardware devices of Hardware
a computer system can be
internal as well as external to If CPU is the brain of a computer, then which computer hardware is its ear?
the computer system. Input Processing Output Storage Hybrid
Devices Device Devices Devices Devices
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