EXERCISE

1. What different input and output devices you found in the lab. For each of the device fill in the following:

	Device Name	Brand Name	Type/Mechanism	Type of Data	Input/Output
1.
2.
3.
4.
5.
6.
7.

Hint: Device Name = Name of Input or Output.

Brand Name = Company Name device manufactured by.

Type/Mechanism = Type of device or working mechanism. For example: For mouse specify whether it is optical or mechanical, for monitor specify whether it is Cathode Ray Tube or Flat panel Display.

Type of Data = Specify the type of data, the device inputs or output. For example: Image, Text, or Sound.

Input / Output = Specify whether the device is an input device or output device.

2. For each of the following devices list few names of the software applications that uses them intensively:

Keyboard

Mouse

Scanner

Digital Camera

3. Write down the difference between LCD display and LED display. Also mention which one is more preferred to use?

1. Enlist and briefly describe Generations of Computers.

2. How many keys does a keyboard contains?

3. With the help of diagram describe the working mechanism of a laser printer.

4. Who is known as father of computer and why?

   EXERCISE

5. What different input and output devices you found in the lab. For each of the device fill in the following:

6. 	Device Name	Brand Name	Type/Mechanism	Type of Data	Input/Output
   1.
   2.
   3.
   4.
   5.
   6.
   7.

   Hint: Device Name = Name of Input or Output.

   Brand Name = Company Name device manufactured by.

   Type/Mechanism = Type of device or working mechanism. For example: For mouse specify whether it is optical or mechanical, for monitor specify whether it is Cathode Ray Tube or Flat panel Display.

   Type of Data = Specify the type of data, the device inputs or output. For example: Image, Text, or Sound.

   Input / Output = Specify whether the device is an input device or output device.

   Digital Camera

   3. Write down the difference between LCD display and LED display. Also mention which one is more preferred to use?

7. Enlist and briefly describe Generations of Computers.
9. How many keys does a keyboard contains?
11. With the help of diagram describe the working mechanism of a laser printer.
13. Who is known as father of computer and why?