Signed binary number Study guides, Class notes & Summaries
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![WGU C839 Introduction to Cryptography Exam Questions and Answers 2023-2024 (Graded A+)](/docpics/3133038/64c0ec68ae5d2_3133038_121_171.jpeg)
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WGU C839 Introduction to Cryptography Exam Questions and Answers 2023-2024 (Graded A+)
- Exam (elaborations) • 14 pages • 2023
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WGU C839 Introduction to Cryptography Exam Questions and Answers 2023-2024 (Graded A+). 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certificate has been revoked?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 ne...
![CS 1104 COMPUTER SYSTEMS QUESTIONS AND ANSWERS RATED A+](/docpics/3805692/654d6846c73f5_3805692_121_171.jpeg)
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CS 1104 COMPUTER SYSTEMS QUESTIONS AND ANSWERS RATED A+
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CS 1104 COMPUTER SYSTEMS QUESTIONS AND ANSWERS RATED A+ Name an unary Boolean function: NOT 
What is the most basic element of every computer system? c. Logic Gate 
Every Boolean function can be constructed from only: c. Nand function 
AND If a=b=1 then out=1 out=0 
NOT If in=0 then out=1 else out=0 
NAND If a=b=1 then out=0 out=1 
OR If a=b=0 then out=0 out=1 
The boolean expression A · B represents which of the following: a. A AND B 
True/False: According to DeMorgan's Theorem, inverting the...
![Introduction to JavaScript Practice Questions with Complete Solutions 2024](/docpics/5375560/664b8c1d7d6d6_5375560_121_171.jpeg)
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Introduction to JavaScript Practice Questions with Complete Solutions 2024
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What is correct 
import 
import - import 
Order of Operations of: 
Binary Search 
Selection sort 
Insertion sort - Binary Search (log n) 
Selection sort n^2 all times 
Insertion sort n^2 worst case, n best case 
Describe how to do all of this: 
Unsigned Integers 
Signed Integers 
Sign/Magnitude Representation 
Two's Complement Representation (and the algorithm for negating such numbers) 
Floating Point Representation 
ASCII Encoding of Characters - Unsigned Integers: Only positive ints. Done...
![WGU Course C839 - Intro to Cryptography Questions Correctly Answered 2023 GRADED A](/docpics/3944618/656a3d0048a8f_3944618_121_171.jpeg)
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WGU Course C839 - Intro to Cryptography Questions Correctly Answered 2023 GRADED A
- Exam (elaborations) • 31 pages • 2023
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WGU Course C839 - Intro 
to Cryptography 
Questions Correctly 
Answered 2023 GRADED 
A 
What type of encryption uses different keys to encrypt and decrypt the message? 
A Symmetric 
B Private key 
C Secure 
D Asymmetric - Answer D 
The most widely used asymmetric encryption algorithm is what? 
A RSA 
B Vigenere 
C DES 
D Caesar Cipher - Answer A 
Original, unencrypted information is referred to as ____. 
A text 
B plaintext 
C cleantext 
D ciphertext - Answer B 
Which of the following is NOT...
![GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++](/docpics/5494686/665973a7b6675_5494686_121_171.jpeg)
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GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++
- Exam (elaborations) • 19 pages • 2024
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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...
![C How To Program, 8th Edition By Deitel & deitel - Test Bank](/docpics/3466723/650a2563283ab_3466723_121_171.jpeg)
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C How To Program, 8th Edition By Deitel & deitel - Test Bank
- Exam (elaborations) • 209 pages • 2023
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3.1 Introduction 
(No Questions) 
3.2 Algorithms 
 
3.1 Specifying the order in which statements are to be executed in a computer program is called 
(a) an algorithm 
(b) transfer of control 
(c) program control 
(d) pseudocode 
ANS: (c) 
 
 
3.2. The two key attributes of an algorithm are: 
a) actions and start activity 
b) flow and order of flow 
c) actions and order of actions 
d) flow and start activity 
ANS: (c) 
3.3 Pseudocode 
 
3.3 Which of the following is true of pseudocode programs? 
...
![Google Cloud Certified Associate Cloud Engineer Test 2023/2024 Questions and Answers 100% Verified](/docpics/3669534/65343b6b024fe_3669534_121_171.jpeg)
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Google Cloud Certified Associate Cloud Engineer Test 2023/2024 Questions and Answers 100% Verified
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Google Cloud Certified Associate Cloud 
Engineer Test 2023/2024 Questions and 
Answers 100% Verified 
A tool that warns you when you're spending too much. - CORRECT ANSWER Billing 
Alerts 
A service used for executing code in response to events. - CORRECT ANSWER Cloud 
Functions 
A mechanism that allows you to track custom information in code and save it to 
Stackdriver. - CORRECT ANSWER Custom monitoring metric. 
The command to create a Cloud Function. - CORRECT ANSWER `gcloud functions ...
![Test Bank for Introduction to Probability and Statistics, 15th Edition by William Mendenhall](/docpics/2988551/649eb88f9e8ce_2988551_121_171.jpeg)
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Test Bank for Introduction to Probability and Statistics, 15th Edition by William Mendenhall
- Exam (elaborations) • 953 pages • 2023
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Test Bank for Introduction to Probability and Statistics 15e 15th Edition by William Mendenhall, Robert J. Beaver/Barbara M. Beaver. Full Chapters test bank included 
 
Chapter 1: Describing Data with Graphs 
1.1 Variables and Data 
Types of Variables 
Exercises 
1.2 Graphs for Categorical Data 
Exercises 
1.3 Graphs for Quantitative Data 
Pie Charts and Bar Charts 
Line Charts 
Dotplots 
Stem and Leaf Plots 
Interpreting Graphs with a Critical Eye 
Exercises 
1.4 Relative Frequency Histograms 
...
![WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct](/docpics/3146433/64c3d4fb72fe9_3146433_121_171.jpeg)
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WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct
- Exam (elaborations) • 14 pages • 2023
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WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct. What is the outcome when using the binary AND function on 11011 
and 10100? 
Counter (CTR) - ANSWER Which mode does the Fortuna algorithm use to generate 
random numbers? 
Same state used more than once - ANSWER What is a potential weakness of a 
pseudo-random number generator (PRNG)? 
Recipient's private key to decrypt and sender's public key to verify the signature - ANSWER 
Which key combi...
![WGU Course C839 - Intro to Cryptography Questions Correctly Answered 2023 GRADED A](/docpics/4319255/65b13468813a9_4319255_121_171.jpeg)
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WGU Course C839 - Intro to Cryptography Questions Correctly Answered 2023 GRADED A
- Exam (elaborations) • 31 pages • 2024
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WGU Course C839 - Intro 
to Cryptography 
Questions Correctly 
Answered 2023 GRADED 
A 
What type of encryption uses different keys to encrypt and decrypt the message? 
A Symmetric 
B Private key 
C Secure 
D Asymmetric - Answer D 
The most widely used asymmetric encryption algorithm is what? 
A RSA 
B Vigenere 
C DES 
D Caesar Cipher - Answer A 
Original, unencrypted information is referred to as ____. 
A text 
B plaintext 
C cleantext 
D ciphertext - Answer B 
Which of the following is NOT...
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