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Software:
A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system: keyboard, monitor, hard disc, printer, scanner, processing unit, memory, electrical connections, etc. It does all of the physical work a computer is known for. The second part is a set of simple and step-by-step sequence of instructions that tell the hardware what to do and how to do it.
This organized set of instructions written in a defined order and to accomplish a specific task is called computer software or computer program. Hence, a computer software provides intelligence to the hardware, which otherwise is just a collection of circuits and pieces of plastic and metal.
External interruptions are produced by peripheral devices, for example keyboards, printers, communication cards, etc. They are also produced by coprocessors. It is not achievable t
Question 1 Convert the following binary numbers to its specified number system 1101.11 (2) to octal 1111 (2) to decimal 110.11 (2) to hexadecimal 1011.11 (2) to
QUESTION (a) Convert each of the following expressions to prefix and postfix. (i) (A+B)*(C+D) (ii) A-B/(C*D^E) (^ denotes exponentiation) (b) The following algorithm c
Algorithm : 1. Read the values of principal amount, time and rate of simple interest into the locations labelled as P, T, R. 2. Set the count T to 1 implying the end of a year. 3.
Types of Printers 1. Impact printers The impact printers produce the image through a mechanism of striking on the stationary. 2. Line Printer This type of printer
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Storage Mechanism of Magnetic disk: Storage Mechanism: Magnetic disk drives contain metal disks that are coated on both sides with an iron oxide recording material. Several
QUESTION (a) You have been asked to design and implement a chat application. Which protocol would you used TCP or UDP? Justify your answer. (b) Explain why multithreading is
Two competing architectures were developed for improving the architecture of the central processing unit, and different processors are conventional to each one. Both had their powe
Gareth's Gardens is a small firm that specialises in planning and laying new gardens. A particularly popular garden plan consists of a patio and lawn, together with a circular pon
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