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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.
Perform the following calculations assuming that all numbers are stored in 16-bit registers as 2's complement binary numbers with no overflow provision. Convert each of the numbers
What is a Metadata? Metadata is information about a PE. In COM, metadata is communicated by non-standardized type libraries. In .NET, this data is contained in the header port
Q. Prove using Boolean Algebra 1. AB + AC + BC' = AC + BC' 2. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 3. (A+B) (A'+B'+C) + AB = A+B 4. A'C + A'B + AB'C + BC = C + A'B
Program to calculate the value of the series 1+x+x2+x3+.... +xn. Read the values of ''x'' and ''n'' from the keyboard.
In 1960: The purpose of e-commerce was to exchange the electronic data. In 1970s: Electronic Fund Transfers or EFT was developed which considered as huge impact in the emerging
What are the types of calendars in a single interface? Member Event calendar helps users manage their personal time, Kept track of meetings with others, and so on. Tea
Driver software is software that works as a translator among another program and some piece of hardware. In the software industry, there are commonly standard ways to do things. Th
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Q. Illustrate logical Data Processing Instructions? AND, OR, NOT, XOR operate on binary data stored in registers. For illustration if two registers comprises data: R1 = 10
Data validation is a significant concept in VBA. Application process and a custom dialog box can be used to accurate input errors. You can assign an application process to the fram
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