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Question:
(a) Program instructions and data are brought into memory first, in order to be executed. Explain how the CPU enables an instruction to be executed?
(b) Describe Intellectual Property and the reasons behind Fair usage policy.
(c) Describe three health and safety issues to consider when using a computer.
(d) Differentiate between worms and boot-sector viruses, and how each one can invade computer systems and programs.
(e) Briefly explain the techniques used for security purposes on the Internet.
Explain Public Switched Telephone Network. PSTN (Public Switched Telephone Network): This is Public Switched Telephone Network (PSTN), which accommodates two types of subscri
Indirect addressing A memory location is given that holds another memory location. This second memory location holds the real data. This mechanism solves problems caused by rea
The alignment of a type 'c' field in a report is? ? Left Aligned.
voltage,current and power relation in a delta connection
Public Key Infrastructure solutions The use of public-key based security systems requires great attention and due care in design and management of security features. The secur
Write an algorithm for deadlock detection. An algorithm for deadlock detection: 1. Assume that Work and Finish be vectors of length m and n, correspondingly. Initialize:
Explain busy waiting semaphores. Weak, Busy-wait Semaphores: The simplest method to implement semaphores. Useful while critical sections last for a short time, or we
The Function code currently active is ascertained by what Variable? The function code at present active in a Program can be ascertained from the SY-UCOMM Variable.
Which two properties are on every validation control? Two properties are:- a) Control to validate b) Error Message.
Define Programmed I/O. It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program
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