NTS
PPSC
ETEA
survey of pakistan
Computer science Questions
.1_What do you need for an ink jet printer?
*A cartridge*
A drum
A ribbon
all of the above
Q.2_ A laser printer does NOT use?
A photo-conductive drum
*A print head*
A laser beam
None of these
Q 3--You can protect a floppy disk_____?
*Write*
Read
Read and Write
All of the above
Q.4_The amount of data that a disk may contains known as the disk's?
Size
Volume
Tracking Unit
*Storage capacity*
Q.5_ Information on a hard disk is usually backed-up using a?
Magnetic tape
*CD-ROM*
Floppy disk
All of the above
