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Problem 1
a) Give three reasons why connecting peripherals directly to the system bus are not a good practice.
b) Name five categories in which the major functions on requirements for an I/O module fall.
c) Differentiate between RAID 0 and RAID 1.
d) Provide two advantages and one disadvantage of CD-ROM compared with traditional magnetic disks
Problem 2
a) An Operating System will be thought of as having two objectives or performing two functions. Name and provide a small description of these two functions.
b) Differentiate between "Setup Time" and "Scheduling".
c) Name five services typically given by an Operating System.
d) Briefly explain the following two hardware features:
(i) Privileged Instructions(ii) Memory Protection
Question: (a) What are the rationales for an effective and independent regulator? (b) Across Africa, regulators have established Universal Service Funds (USFs) in order to
Principle of locality: Temporal base locality (locality in time):- If an item is referenced then it will tend to be referenced again soon. Spatial locality (local
what is meant by private copy constructor
Explain optimizing transformations? Optimizing transformations: It is a rule for rewriting a segment of a program to enhance its execution efficiency without influencing i
What are the types of pipeline hazards? The various pipeline hazards are: 1. Data hazard 2. Structural Hazard 3. Control Hazard.
Desk Top Publishing (DTP) As word processors develop increasingly more sophisticated features, differences with desk top publishing (DTP) packages becomes more and more blurred
Dynamic screen sequence for a screen can be set using which commands? It uses two commands:- A) Set Screen B) Call screen.
Determine the types of Sensors Different types of sensors are used to give real time information to computers. Frequently, an analogue to digital converter (ADC) is required a
The history file, history.txt, is the branch history of a run of the gcc compiler (the first field is the address of the branch instruction, the second field is the target branch a
What do you understand by WWW? WWW (World Wide Web): It is an architectural framework for accessing linked documents outspread over thousands of machines the whole world.
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