Solution Library

Restrictions On Choices For Mapping General Affine Cipher

QuestionConsider the general affine cipher define by the mapping aX + b (mod 26). Discuss any restrictions on the choices of a and b in general. SummaryThe question belongs to Computer Science and it discusses about the restrictions on the choices for mapping a general affine cipher.Total Word Coun ... Read More

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Role Of Confusion And Diffusion In The Design Of Block Cipher

QuestionExplain the roles of confusion and diffusion in the design of a block cipher. SummaryThe question belongs to Computer Science and it discusses about the role of confusion and diffusion in the design of block cipher.Total Word Count 242 ... Read More

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Properties Needed For Secure Hash Function H

QuestionWhat properties are needed in a secure hash function H? SummaryThe question belongs to Computer Science and it discusses about the properties needed for secure hash function H.Total Word Count 304 ... Read More

Reads ( 1938 )
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Components, Trust Model And The Uses Of Public Key Infrastructure

QuestionA Public Key Infrastructure (PKI) is a collection of components and protocols to support the management of certificates that bind a user name to a public key.a.    Describe the basic components of a PKI, and the benefits over a symmetric Key Distribution Centre (KDC) system su ... Read More

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Writing A Python Program In C++ Language

QuestionWrite a C++ version of the Python triangle classification program.In a file called triangle.cpp write a program that implements the triangle classification and right angled triangle detection features.1. Implement your solution in a more structured way, using separate functions to classify t ... Read More

Reads ( 2004 )
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Digital System Using 16 Bit Compliment Data Representation

QuestionA digital system uses 16-bit two’s compliment data representation. What is the range of decimal values it can represent? SummaryThe question belongs to Computer Science and it discusses about the range of decimal values that a digital system using 16-bit two’s compliment data re ... Read More

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Expressing Given Values In Binary

QuestionGiven X = B6 E1 16 and Y = 1C 7D16; where X & Y are 16 bit numbers. (i) Express the value of X and Y in binary. (ii) What will be the results of the logical computation NOT ( X OR Y ). (iii) Suppose X is represented using two’s complement representation. Calculate its decimal value ... Read More

Reads ( 1987 )
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Calculate Total Addressing Capacity Including Unused Memory Zone

QuestionA computer system uses 20-bit address bus and can address an 8-bit wide memory. The memory of this computer system contains 2 × 32 Kbytes ROM (ROM1, ROM2) and 2 × 16 Kbytes of RAM (RAM1 & RAM2). The memories are ordered in an interlaced manner – ROM1, RAM1, ROM2, and RA ... Read More

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4 Types Of Non-Volatile Memories

QuestionName and describe any four (4) different types of memories that are non-volatile. SummaryThe question belongs to Computer Science and it describes about the 4 types of non-volatile memories.Total Word Count 439 ... Read More

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Explain The Operation Of Cache Memory

QuestionBriefly explain the operation of ‘Cache Memory’. SummaryThe question belongs to Computer Science and it describes about the operation or the importance of cache memory.Total Word Count 274 ... Read More

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Calculate Time Complexity By Applying Big-Oh In Algorithm

QuestionSuppose an algorithm consists of two stages. The time complexity of Stage 1 is O(nlog2n) and that of Stage 2 is O(n2). By using the definition of Big-Oh, show that the overall time complexity is O(n2). SummaryThe question belongs to Computer Science and it discusses about using Big-Oh for c ... Read More

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Applying Big-Oh For Given Function

QuestionBy using the definition of Big-Oh show that if g1(n) is in O(f(n)) and g2(n) is in O(f(n)), then the sum g1(n) + g2(n) is in O(f(n)). SummaryThe question belongs to Computer Science and it discusses about applying Big-Oh definition for a given function.Total Word Count 21 ... Read More

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