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Q. Explain about fundamental nature of a Computer?
The fundamental nature of a Computer is as an information transformer. So a computer should be able to take input and process it sub sequentially produce output. The key questions here are as below:
How is Information represented in a computer? Well it's in form of Binary Digit known as Bit. How is input and output presented in a form which is understood by us?
One of the minimum necessities in this case can be to have a representation for characters. So a mechanism which fulfils such requirement is needed. In Computers information is represented in digital form so to represent characters in computer we require codes. A number of common character codes are EBCDIC, ASCII and ISCII etc. How is the arithmetic calculations executed through these bits? We need to signify numbers in binary and must be able to carry out operations on these numbers.
Aggregation is the relationship among the whole and a part. We can add/subtract some properties in the part (slave) side. It won't affect the entire part. Best example is Car,
What is layer? A layered system is ordered set of virtual worlds. Every build-in terms of one's below it and providing the execution basis for one above it. The objects in ever
Explanation Arrays in many programming-languages generally show a fixed list of values (e.g. a list of lastnames). Though within SQABasic the size for an array can either be fix
Define about classes of object oriented modelling A class is a collection of things, or concepts that have the same properties. Each of these concepts or things is known an obj
haw to convert context free grammar to regular grammar
Draw a neat labelled diagram of the OSI reference model for computer networks showing all the layers and the communication subnet boundary. The computer network consists of all
Name the Numerous household devices Numerous household devices now use microprocessors to control their different functions. The following is just a sample of common devices (d
Q. Standards for scan codes ? There are 3 standards for scan codes: Mode1 (83-key keyboard PC, PC-XT) and Mode2 (84-key AT keyboard) and Mode3 (101-key keyboard onwards). In Mo
Q. Write a program to implement NOR, NAND, XOR and XNOR gates using and without using bit wise operator. Also perform necessary checking. The user has option to give n numbe
Q. What is Input - Output Instructions? An I/O instruction is stored in memory of computer and is fetched as well as executed by processor producing an I/O-related command for
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