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What is system software? Give an example.
It is a collection of program that are implemented as needed to perform functions such as
I. Receiving and interpreting user commands
II. Entering and editing application programs and keeping them as files in secondary storage devices.
Eg. assembler, linker, compiler etc
Give difference between top down parsing and bottom up parsing. Top down parsing: Specified an input string, top down parsing tries to derive a string identical to this by s
Q. Describe about directory in DOC? We all know that, the volume of the hard disk is generally quite large (10 MB to a few GB). You can keep hundreds or even thousands of files
Harvard mark i and the bug The next important effort towards devising an electromechanical computer was done at the harvard University, jointly sponsored by the Department of U
Explain in detail about Real time (transaction) processing When booking seats on a flight, for illustration, real time (transaction) processing would be used. Response to a que
Define bootstrap loader? The ROM portion of main memory is required for storing an initial program known as bootstrap loader. It is a program whose function is to start the com
Define Hit ratio. The performance of cache memory is frequently measured in terms of quantity called hit ratio. Hit-Find a word in cache. Miss-Word is not found in cache.
Explain an exceptional handling in java with the help of suitable example. Java exception handling is managed through five keywords: catch, try, throw, finally and throws. Th
Q. Address - operand data types? Addresses : Operands residing in memory are specified by their memory address while operands residing in registers are specified by a re
What is NEG instruction Arithmetic sign inversion or two's complement (NEG). NEG instruction two's complements a number which means that arithmetic sign of a signed number cha
What are the conditions that have to be met for a condition to be an invariant of the class? Ans) ? The condition should hold at the end of each constructor. ? The conditi
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