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Question 1:
(a) What do you meant by an expert system?
(b) Describe benefits of the EDI.
(c) Describe what you understand by: (i) File Infectors (ii) Boot Sector Viruses (iii) Macro Viruses
(d) Mention steps in reducing infection risks for your PC.
(e) Mention two problems spam create for a computer user.
(f) Show the different phases of the Information System Life Cycle.
Question 2:
(a) Differentiate between system software and application software.
(b) List types of RAM
(c) List types of ROM
(d) Describe the difference between Cache Memory and Virtual Memory.
(e) Describe how data is organised on a magnetic disk and a magnetic tape.
(f) Differentiate between Ink Line printers and Jet printers.
(g) What are pointing devices? List and describe two pointing devices
Hardware interrupts: Hardware interrupts -from I/O devices, processor, memory Software interrupts-produced by a program. Direct Memory Access (DMA) Interrupt or Poll
what is distortion
Explain UDP (User Datagram Protocol). UDP utilizes a connectionless communication paradigm. It is an application of using UDP doesn't require preestablishing a connection befor
Electronic Data Interchange (EDI ) is used by companies for transactions that happen on regular basis to a pre-determined format. It is one of the electronic commerce technologies.
Write a program that computes the minimum and maximum of elements in an array in Assembly 8086.
Reprographic Methods i) Thermography ii) Dyeline jii) Microfiche iv) Fax In this unit you have learnt that: Used for Methods of reprography are used for the
How are devices represented in UNIX? All devices are shown by files called special files that are located in /dev directory. Therefore, device files and other files are named a
Classification according to part of instruction and data: According to the parts of instruction and data, following parts are identified under this classification: Scal
VBA is licensed to Microsoft and this compatible with and only Microsoft products. Code written is compiled by an intermediate language known as P-code and this is stored in hostin
What is a spanning Tree? A spanning tree is a tree associated with a network. All the nodes of the graph appear on the tree once. A minimum spanning tree is a spanning tree
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