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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.
Simplify the given expressions using Boolean postulates XY + X‾Z‾ + XY‾Z (XY + Z) Ans. XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XXYY‾Z
Normal 0 false false false EN-US X-NONE X-NONE
Iterative Deepening Search: So, breadth first search is always guaranteed to find a solution (if one exists), actually it eats all the memory. For the depth first search, ther
Describe carry look-ahead adder? Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rat
Logic-based Expert Systems : Expert systems are agents that are programmed to make decisions just about real world situations are place together by utilising knowledge illicit
Question: a) Why do we use the Internet as the new distribution channel for e-banking products and services? b) In the context of e-banking or e-commerce, outline some o
Q. What is Instruction Register? Instruction Register (IR): Here instructions are loaded before execution. Comments on figure above are as below: All representations are
What is the number of control lines for a 8 - to - 1 multiplexer ? Ans. There are 3 control lines, for an 8 to 1 Multiplexer. The control signals are utilized to steer any one
What are the ways to truncate guard bits? 1. Chopping 2. Von Neumann rounding 3. Rounding procedure.
Explain the operation of octal to binary encoder. Ans Octal to binary encoder consists of eight inputs, one for each of eight digits and three outputs which generate the con
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