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Question
a) In multitasking Operating Systems, there are two kinds of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Explain the two mentioned multitasking type and give a reason which of the two is better.
b) Provide the four main functions of an operating system.
c) What is a modem and give two different types of modems.
d) There are many different types of threats concerning computer security. Explain two of such threats.
What is page fault? Its types? Page fault refers to the situation of not having a page in the major memory when any process references it. There are two kinds of page fault :
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difference between lexical & semantic expansion
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Explain with the help of Nyquist theorem, the data rate limitations in PSTN's. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted
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Discuss the advantages of Electronics Data Exchange (EDI). Advantages of EDI: Electronics Data Exchange's saves needless re-capture of data. It leads to faster transfer of d
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How is conversion of data types done between ABAP/4 & DB layer? Conversion among ABAP/4 data types and the database layer is complete within the database interface
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