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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.
Q. Convert the following into POS form 1. (AB + C + DC)(AB + BC + D) 2. WYZ + XYZ + W'X'Y + W'XYZ 3. XY + XZ + X'YZ' 4. (A+B'+C) (AB+AC') 5. F(A,B,C,D)=M(0,3,
Input a list of positive numbers, terminated by 0, into an array Numbers. Then display the array and the largest and smallest number in it.
Define Random scan/Raster scan displays? Random scan is a method in which the display is made by the electronic beam which is directed only to the points or part of the screen
Syntax and Semantics: Propositional logic is prohibited in its expressiveness: so just to represent true and false facts for the world. By a type of extending propositional lo
Which two properties are on every validation control? Two properties are:- a) Control to validate b) Error Message.
In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if th
DOS is not a RTOS (real time Operating system), though MS DOS can be used with certain APIs to attain the RTOS functionality. For example, the RT Kernel (Real Time Kernel) which ca
Explain the stack storage allocation model. In a stack-based allocation, all objects are allocated in last-in, first-out data structure and a stack. For example: Recursive subr
What are advantages and disadvantages of using EEPROM? The benefits are that EEPROM do not have to be removed for erasure. Also it is possible to delete the cell contents selec
Explain Stored Program Control. Stored Program Control: Modern digital computers utilize the stored programmed idea. Now, a program or a set of instructions to the computer i
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