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Problem 1
(a) List and describe the characteristics of mainframes, minicomputers and microcomputers.
(b) Briefly describe what is meant by electronic commerce and what business opportunities it might offer.
Security is an important issue in systems development and delivery.
Problem 2
Briefly describe the following three security measures and the security risk each is designed to address.
(a) Password (b) Anti-Virus (c) Data Encryption
Problem 3
(a) One of the major challenges that hinder the integration of ICT in organization is lack of awareness and mindset of the people in the organization. How far do you agree?
(b) List and discuss on the other challenges that need to be understood and addressed in order to ensure a smooth ICT integration in an organization. You may use examples to illustrate your answer.
Let's answer our second question first. All computers have a Unit which performs arithmetic and logical functions. This Unit is called as Arithmetic and Logic Unit (ALU). However h
Why SRAM are said to be volatile? Because their contents are lost when power is interrupted. So SRAM are said to be volatile.
how binary codes are used
Q. What is Shift operation? Shift: Shift operation is employed for transfer of bits either to left or to right. It can be used to comprehend simple arithmetic operation or da
What are value types and reference types? Value type - bool, byte, chat, decimal, double, enum, float, int, long, sbyte, short, strut, uint, ulong, ushort. Value types are sto
Question: 1. Distinguish between HTTP and True streaming, stating the advantages and disadvantages of both type of media streaming. 2. Name two online services which provi
With the increasing use of more and higher level languages manufacturers had offered more powerful instructions to support them. It was claimed that a stronger instruction set will
What is EDI (Electronic Data Interchange)? EDI: Electronic Data Interchange (EDI) is used by organizations for transactions that happen on regular basis to a pre-determined for
The English existential construction involves so-called there-sentences such as these: (1) There is a dog in the yard (2) There were no children at the party (3) There
Memory utilization factor shall be computed as? Ans. memory in use/total memory connected.
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