16. 

An adder in which the bits of the operands are added one after another is

A. Half-adder
B. Full-adder
C. Serial adder
D. All of the above
E. None of the above

17. 

The OR, XOR & AND functions can be performed by _____ of the computer in a CPU.

A. ALU
B. CU
C. Memory
D. Register
E. None of the above

18. 

A prewritten program that's sold to perform a common task is called an application

A. System software
B. Package
C. Utilities
D. Program
E. None of the above

19. 

Locations in the main memory of a computer are called

A. Alphabets
B. Words
C. Data
D. Characters
E. None of the above

20. 

Which of the following is a communication network that is devoted to carrying computer information.

A. Data point
B. Data module
C. Data network
D. Data pack
E. None of the above