The main memory is generally referred to as :
Floppy disk
CD
RAM
All of these
What is an MODEM?
Modulator and demodulator
A software for computer
Network card
Communication device
Which of the following converts a pattern of printed bars into a number?
Camera
Scanner
Barcode reader
Printer
Who invented the first mechanical computer?
Charles Babbage
John Napier
Abacus
Univac
Which printer operates like a typewriter, pressing a typeface against paper and ink ribbon?
Impact
Non impact
Laser
Inkjet
Which one is said to be a world's largest processor manufacturer?
IBM
IBS
Microsoft
Intel
Which one of the following is termed as either input and output device?
Touch screen
CRT monitor
LCD
Plasma
