1. Line access and avoidance of collision are the main functions of:
(A) the CPU
(B) the monitor
(C) network protocols
(D) wide area networks

2. In the hypermedia database, information bits are stored in the form of:
(A) signals
(B) cubes
(C) nodes
(D) symbols

3. Communications bandwidth that has the highest capacity and is used by microwave, cable and fibre optics lines is known as:
(A) hyper-link
(B) broadband
(C) bus width
(D) carrier wave

4. An electronic bill board that has a short text or graphical advertising message is referred to as:
(A) bulletin
(B) strap
(C) bridge line
(D) banner

5. Which of the following is not the characteristic of a computer?
(A) computer is an electrical machine
(B) computer cannot think at its own
(C) computer processes information error free
(D) computer can hold data for any length of time