Grade-12 (Function and Structure)

1.       What is function? Write its advantages. Ans: A function is a self contained block of statements that perform some specific and well defined task. A function can be user or predefined (library) function. Advantages of function a.       Function increases reusability of program code. b.      Program development is faster. c.       Program debugging is faster and easier. d.      Length of the...

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Compjter Network Grade-XII

 Grade-XII (Computer Network) 1. What do you mean by computer network? Explain its advantages and roles of hardware. Computer Network The dictionary defines a network as a “group of computers and associated devices that are connected by communications facilities.” Thus, a network can be anything from two computers connected by a serial cable to thousands of computers connected by high-speed data communication links dispersed throughout the world. In other words, computer network is a group...

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Grade:XI (Computer System)

1.    What is computer system or computer architecture? Explain the major units of computer system. Ans: Computer architecture is defined as the science of selecting and interconnecting hardware components to create computers that meet functional performance and cost goals. INPUT   ALU             ...

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