Signed binary number Study guides, Class notes & Summaries
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WGU C839 Questions and Answers 100% Pass
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WGU C839 Questions and Answers 100% Pass Symmetric Which encryption standard uses the same key to encrypt and decrypt messages? 
Skipjack Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? 
X.509 v3 What is the most commonly used format for certificates? 
Certificate revocation list (CRL) What is referenced to determine if a certificate has been revoked? 
Sender's public key What needs to be installed on end users' computers to allow them to trust applicat...
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WGU C839 Exam Latest Updated Graded A+
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Symmetric - ANSWER-Which encryption standard uses the same key to encrypt and decrypt messages? 
 
Skipjack - ANSWER-Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? 
 
X.509 v3 - ANSWER-What is the most commonly used format for certificates? 
 
Certificate revocation list (CRL) - ANSWER-What is referenced to determine if a certificate has been revoked? 
 
Sender's public key - ANSWER-What needs to be installed on end users' computers to allow them to tr...
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CDA 3100 Exam 1, CDA 3100 Test #2 Questions With 100% Correct Answers
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CDA 3100 Exam 1, CDA 3100 Test #2 
Questions With 100% Correct Answers 
Great Architecture Ideas: The idea that anticipates the capability of new technology and when it 
can be used is: - answerDesign for Moore's Law 
Great Architecture Ideas: The idea that hides lower-level details so that they can be hidden to 
provide simpler models is called: - answerUse abstraction to simplify design 
Great Architecture Ideas: The most efficient method to obtain improvements is to: - 
answerMake the common...
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CDA 3100 Exam 1, CDA 3100 Test #2 Questions With 100% Correct Answers
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CDA 3100 Exam 1, CDA 3100 Test #2 
Questions With 100% Correct Answers 
Great Architecture Ideas: The idea that anticipates the capability of new technology and when it 
can be used is: - answerDesign for Moore's Law 
Great Architecture Ideas: The idea that hides lower-level details so that they can be hidden to 
provide simpler models is called: - answerUse abstraction to simplify design 
Great Architecture Ideas: The most efficient method to obtain improvements is to: - 
answerMake the common...
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ECE 355 Final Exam Questions And Answers (Updated And Verified)
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ECE 355 Final Exam Questions And 
Answers (Updated And Verified) 
1. Express the following decimal numbers in 8-bit, two's complement binary: 
a. -23 
b. 102 
c. -117 - answera. 
b. 
c. 
2. Express the following numbers from an 8-bit, two's complement number system in decimal: 
a. 
b. 
c. - answera. 87 
b. -44 
c. -58 
Describe the function of each of the processor status flags - answerCPAZSO! 
Carry Flag (CF): carry bit for MSB 
Parity Flag (PF): result has even parity 
Auxiliary Flag (...
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GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++
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GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++ 
 
 
Explain how binary is used to represent data (numbers, text, sound, graphics) and program instructions 
binary is used to represent all elements in a computer 
It is stored as a series of 0s and 1s 
These relate to the position of transistors (on or off) 
All analogue data stored is converted into digital (binary) 
Explain the difference between unsigned and signed integers 
An unsigned integer can only represen...
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WGU C839 Introduction to Cryptography Exam Questions and Answers
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WGU C839 Introduction to Cryptography 
Exam Questions and Answers 
Which encryption standard uses the same key to encrypt and decrypt messages? - 
Answer-Symmetric 
Which algorithm is designated as a Type 2 product by the National Security Agency 
(NSA)? -Answer-Skipjack 
What is the most commonly used format for certificates? -Answer-X.509 v3 
What is referenced to determine if a certificate has been revoked? -Answer-Certificate 
revocation list (CRL) 
What needs to be installed on end users' ...
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AQA A Level Computer Science 5 - Fundamentals of data representation Study Guide Exam With Solved Answers 2024.
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Natural number - Answer A positive whole number including zero. 
 
Integer - Answer Any whole positive or negative number including zero. 
 
Rational number - Answer Any number that can be expressed as a fraction or ratio of integers. 
 
Irrational number - Answer A number that cannot be represented as a fraction or ratio as the decimal form will contain infinite repeating values. 
 
Real number - Answer Any positive or negative number with or without a fractional part. 
 
Ordinal numb...
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Computer Organization (COSC 2325) Questions and Answers 100% correct
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Computer Organization (COSC 2325) Questions and Answers 100% correct 
The arbiter... 
selects which device is allowed to use the bus 
 
 
 
The Clock is the computer's... 
heart 
 
 
 
Which are Computer Technologies? 
-Semiconductor technology 
-Peripherals 
-Magnetic materials 
-Application 
-Optical technology 
-Busses 
 
 
 
What is Cache memory? 
high speed memory that frequently holds used data, so that it can be accessed quickly 
 
 
 
What is RAM? 
A type of memory where each word can b...
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) - Latest Update 2024/2025Graded A+
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What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be 
associated with instance of another entity (minima) 
Appears as a 0 or 1 on the relationship line, next to cardinality 
Define: Referential Integrity - ANSWER- Requires that ALL foreign key values 
must either be fully NULL or match some primary key value 
4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is 
updated 
2. Foreign key i...