Computer Application SEA quiz

which of the following is NOT an non-impact printer?

• laser printer

• dot-matrix printer

• thermal printer

• ink-jet printer

Answer explanation

• Dot-matrix printer is an impact printer.

• -A dot matrix printer is an impact printer that prints using a fixed number of pins or wires.Typically the pins or wires are arranged in one or several vertical columns. The pins strike an ink-coated ribbon and force contact between the ribbon and the paper, so that each pin makes a small dot on the paper. The combination of these dots forms a dot matrix image.

A laser printer uses

(a)  

what is the new optical disc format that is rapidly replacing DVD?

• DVD-RW

• CD-R

• CD-RW

• blu-ray disc

which removable flash memory card format was launched in 2003 as a joint effort of Scan Disk and Sony?

• magic gate

• memory stick duo

• memory stick pro

• none of these

the disk which uses blue violet laser to red and write is a

• Blu-ray disk

• flash frive

• DVD

• CD ROM

The diameter of the standard CD is

(a)  

the speed of of a Dot matrix printer is measured in

• dpi

• cps

• bits

• all of these

a flatbed plotter is also known a roller plotter

• true

• false

(a)   is used to read characters from a printed page to the computer

read only means you cannot change the pre recorded information stored on the disk

• true

• false