Questions:

1. The first barcode system was developed by ?

David Bradley
Norman Joseph Woodland
John Mc Carthy
John Barger

2. Every computer has a(n) __________; many also have __________ ?

operating system; a client system
operating system; instruction sets
application programs; an operating system
operating system; application programs

3. A region of computer memory where frequently accessed data can be stored for rapid access is called?

Cookie
Plug-in
Token
Cache

4. Which of the following devices is NOT used to enter data into a computer ?

Keyboard
Scanner
Mouse
Monitor

5. What is the full form of PROM ?

Program read-only memory
Primary read-only memory
Programmable read-only memory
Program read-output memory