Byte 8 bits - Study guides, Class notes & Summaries

CNIT 176 exam 1 latest 2024 already passed Model One way of breaking down the layers of a computing system and thinking about how computers function Task Write a program that does soemthing Algorithm Breaking the task down ( Flow chart) Program Each step of algorithm might translate to many lines of code Instruction Set Architecture Processor independent program translated to a processor dependent program Microarchitecture The ISA is implemented by connecting small hardware components toge...

5 components of an information system 1. Hardware 2. Software 3. Data 4. Procedures 5. People Examples of hardware desktop computers laptop computers mobile phones tablet computers e-readers storage devices, such as flash drives input devices, such as keyboards, mice, and scanners output devices such as printers and speakers Less traditional, but becoming more computerized: automobiles refrigerators beverage dispensers digital device Devices that processes electronic si...

PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers. Select ONE answer for each numbered problem. If you choose more than one on the Scantron sheet, you will be marked incorrect on that problem. Data Rate=(Number of Channels)x(samples/second)x(bits/sample) Capacity=(Number of Channels)x(Bandwidth/Channel)xlog2(SNR+1) SNR = Signal Power/Noise Power AM = Amplitude Modulation FM = Frequency Modulation PM = Phase Modulation FET = Field Effect Transistor RAM = Random Access Memory Capa...

SPI Board Exam Review (GB) 2023/2024. (GB) 600+ Complete QUESTIONS &ASWERS (100% Verified & Graded A+)|COMPLETE GUIDE| is the reciprocal of period. A. inverse period B. PRP C. frequency D. propagation speed - C. Frequency A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? A. 27 B. 0 C. 10 D. 15 - C. 10 A byte is composed of bits. A word is composed of bytes. A. 2, 2 B. 8, 2 C. 16, 16 D. 8, 16 - B. 8, 2 (a string of eight b...

Chapter 2 – Cryptographic Tools TRUE/FALSE QUESTIONS: T F 1. Symmetric encryption is used primarily to provide confidentiality. T F 2. Two of the most important applications of public-key encryption are digital signatures and key management. T F 3. Cryptanalytic attacks try every possible key on a piece of ciphertext until an intelligible translation into plaintext is obtained. T F 4. The secret key is input to the encryption algorithm. T F 5. Triple DES tak...

ISYS 363 SFSU Final Exam Questions and Answers All Correct Alpha testing - Answer-testing an incomplete or early version of the system Beta testing - Answer-testing a complete and stable system by end users Artificial intelligence - Answer-A field in which the computer system takes on the characteristics of human intelligence ex. Neural Networks, Natural Language Processing Batch Processing - Answer-A form of data processing whereby business transactions are accumulated over a per...

How many bits make up a byte? - 8 A megabyte is how many bytes? - 1000 A gigabyte is how many bytes? - A terabyte is how many bytes? - 0 A petabyte is how many bytes? - 0000 What is the smallest "full feature" PC today? - Smartphone/ PDA How should you configure a removable storage device so that it can be safely removed at a moment's notice? - Optimize for quick removal What is write caching? - The act of the computer writing data to a small memory bank so that it can be written to...

WGU C839 Objective Assessment Study Guide (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: Information Theory Answer: -Published by Claude Shannon in 1949 in the Bell System Technical Journal - Important concepts: -Diffusion -Confusion -Avalanche Effect (Horst Feist's variation on Shannon's concept of diffusion Q: Kerckhoff's Principle Answer: -1883 -A crptosystem should be secure even if all its elemen...

Aqa As Computer Science Paper 2 Latest Update Study Set N Natural numbers, positive whole numbers and zero. Set Z Integers, positive and negative Set Q Quotients, Rational numbers, can be expressed as a ratio between two integer Irrational numbers Cannot be expressed as a ratio between 2 numbers, root 2, pi Real numbers Set of irrational numbers, Q, Z, N Ordinal numbers Integers used to describe numerical position of objects. First, second, third Counting and measuring Natural num...

WGU D278 Scripting and Programming - Foundations (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A Q: Bit A binary digit, representing 0 or 1. Q: Byte Answer: A group of 8 bits, representing a single character. like Q: Character Answer: letter (a, b, ..., z, A, B, ..., Z), symbol (!, @, #, ...), or single-digit number (0, 1, ..., 9). Q: ASCII Answer: A popular character encoding standard. Q: Unicode Answer: another cha...