write some input and output devices and how are their functions
Answers
Answer:
Printer
The printer is a very important component of a computer. It gives you a printed result of what is displayed on the monitor. The output received from the printer is called hard copy because you can retain it even after you turn off the computer or are no longer working on it.
Mouse
The mouse is found on every computer. It is an integral part of it. It is a pointing device. The main principle it works on is point and click. The mouse uses the trackball to give the motion to the pointer displayed on the screen. Usually, for the windows based programs, a mouse is used. Nowadays wireless mouses are becoming more popular among people.
Keyboard
The keyboard is used to enter all the data into the computer. It directs the computer through instructions. Normally keyboard has 104 buttons called the keys. You can do various tasks through the keyboard. You can program, type, etc through keyboard only.
Scanner
The scanner is used to store photographs, picture, diagrams into the computer. It saves the image in the form of a file by reading it.
Plotter : Plotter is an O/P device that is used to produce graphical O/P on papers. It uses single color or multi color pens to draw pictures as blue print etc.
Digital Camera : It converts graphics directly into digital form. It looks like an ordinary camera, but no film is used therein, instead a CCD (changed coupled Divide) Electronic chip in used. When light falls, on the chip though the lens, it converts light waves into electrical waves.
Answer:
input devices - mouse,keyboard
output devices-monitor
Explanation:
function of keyboard to type
and monitor to display the output