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Question:
(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.
(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered necessary.
(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.
(d) Briefly describe the four factors that affect the performance of a monitor.
(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.
Create a relationship among Employee and Sales tables using Emp No. Enforce referential integrity and select both cascade update and cascade delete options. Save the relationship.
What is a Priority Interrupt? Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced
State the scope of security policy The scope of security policy depends on aspects such as the size of the Intranet site, type of information hosted on it, and the number of u
Arbitrary categorisation - learning decision trees: Through visualising a set of boxes with some balls in. There if all the balls were in a single box so this would be nicely
What is Process? Process: A process is a program in execution. It is an active entity, represented through the value of the program counter and the contents of registers o
1's complement representation of decimal number of -17 by using 8 bit representation is ? Ans. (17) 10 = (10001) 2 In 8 bit = 00010001 1's Complement = 11101110
Define the terms : spatial locality and temporal locality. Spatial Locality: The spatial aspect means that instructions in close proximity to a recently implemented instruct
What does the term convergence mean regarding E-commerce? Convergence regarding e-commerce: The capability to leverage and integrate the different data sources and proces
Ask qurecurrion for short noteestion
MX is conceptually easy, yet bears the fruit of years of domain experience and research. In a nutshell, JMX describes a standard means for applications to expose management functio
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