Computer Networks Answers

Name and describe one network configuration.

Define computer network.                                                                                                                         

Distinguish between Computer Network topology and computer network configuration.

Describe 2 methods by which you can implement a completed computer system.

(a) What is SDLC?

(b) List 4 phases in the SDLC                                                                           

Choose two phases from (b) above and state 2 activities for each phase.

Give two advantages of a database package over a spreadsheet to manage school information

In a school, teacher-student after school communication is by wireless network of lap top computers.

a) State two advantages for teachers using this system rather than desktop computers located in a computer

laboratory.                                                                                                                                      b) Give two disadvantages of using laptop computers rather than desktop computers.

Define the following disc terminologies.

a)  Tracks

Sectors

a)        How does the size of a main memory influence a computer's performance?

Draw the truth table for the following Boolean expression: X AND (X OR Y)

On-line banking has improved banking in most developed countries. It allows customers to access their accounts

24 hours a day without the need to open the doors of branches. The central computer runs most of the banking processes.

What do the following terms mean?

a) Online

b) Central computer