Computer Science Questions and Answers: Configuring a Computer - 2

Configuring a Computer:Printer

1. Explain USB Port (Universal Serial Bus).
Answer.
a. It is a high speed serial bus
b. It is a plug and play interface between computers and add on devices.

2. Give the specifications of Laser printer.
Answer.
a. Resolution varies from 600 to 1200 dots per inch.
b. Speed varies from 4 PPM to 24 PPM.
c. Buffer size varies from 4MB to 32 MB
d. Can print color images.

3. Give the specifications of dot matrix printer.
Answer.
a. Print head normally has 9 pins to 24 pins.
b. Speed varies from 30 to 300 characters per second.
c. Buffer size varies from 1K to 64 K.

4. Give the specifications of inkjet printer.
Answer.
a. Resolution is around 300 dots per inch.
b. Speed varies from 1PPM to 12 PPM
c. Buffer size varies from 1 MB to 4 MB