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Question :
(a) What do you meant by a storage device?
(b) List 5 examples of storage devices and give their uses
(c) What are the differences between backup and archive?
(d) E-Chemist is a new Australian company that offers customers discount price medicines online, without the need for a prescription. The website allows the user to enter symptoms and then it suggests medications, which might be suitable. The customer can place different items in a shopping basket and pay for their order by providing credit card details and membership number.
Suggest a method of backup that the E-Chemist can use and state the reason why this method will be suitable in this case.
(e) Confidentially, integrity and availability of information are three main security issues arising from the use of this website. Explain how the terms in bold are related to security.
Explain about the Public Key Cryptography. Public Key Cryptography: It is a cryptographic system which uses two keys as a public key identified to everyone and a private
c program for converting context free grammar to griebach normal form
What is mother board? Mother Board is a main system printed circuit board which having the processor. It will occupy an unacceptably large amount of space on the board.
What is self reference? The Turing machine that ignores its input and prints out a copy of its own description, we call this as SELF. There is a computable function q: €*€*,
Bitwise Left Shift and Right Shift Operators: > shift-expression : additive-expression shift-expression > additive-expression The bitwise shift operators shift their
Q. Explain the typical organization of a computer? There are two principal components: hardware and software. The former refers to physical components such as memory unit (MU),
The number of flip flops contained in IC 7490 is ? Ans. 2 flip flops contained in IC 7490.
Subtraction 11011-11001 using 2's complement. Ans. 11011 - 11001 = A - B 2's complement of B = 00111 1 1 0 1 1 + 0 0 1 1 1 1 0 0 0 1 0 Ignore carry to get answer as 00010 = 2.
What are Digital Signatures and its uses? A digital signature is an electronic quite than a written signature which can be used through someone to authenticate the identity of
Input-Output-Processor Interconnection Network (IOPIN) This interconnection network is used for communication between I/O channels and processors. All processors commune with a
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