Unit 2 computer science quiz

Unit 2 computer science quiz. int: 2^ 35 -1. Flash memory cards have a data transfer rate range from 10 megabytes per second to 80 MB/s. System Software. CS326 Midterm. Low Level Language. org’s AP® CSA curriculum. The value can be changed, but it updates for all instances of the class. , In Java, all program statements end with a Unit 2 Computer Science AP Using Objects. 1 / 17. Bangladesh has a labor force of roughly 70 million, which is the world's seventh-largest; with an unemployment rate of 5. The Basics of AP Computer Science A. name, number, variable. 10. Modifier added to a method or variable. Study with Quizlet and memorize flashcards containing terms like Variable, Constant, Operator and more. AP Computer Science Principles Unit 5: Data quiz for 10th grade students. Operating system. Assume also that the int variables p, q, and r have been properly declared and initialized. println (secondNum); //Line 3. jessalc519. Step 3: The shorter member of each pair sits down. 234. Shifts binary digits to the right by specified number of places. semmons11968. int secondNum = Math. module 3: object-oriented programming. false. A method of programming in which two programmers write code using a single computer. Section II: 4 free-response questions in 1 hour and 30 minutes. What will be the effect on words, a non-empty list of strings, when the following Scratch program is run? The strings in words will be sorted into alphabetical order. slides by Takeisha Moranza. processor. 125. State two other ways of displaying algorithms. UTeach Computer Science Principles Unit 2 - Programming. Start studying A-Level Computer Science Unit 2. Vocab and Lit Terms Test #1. true. Object. Find other quizzes for Computers and more on Quizizz for free! D. (t/f) A number added to a variable updates it line by line. 9. Study with Quizlet and memorize flashcards containing terms like CPU, RAM Quiz 2. Brain of the computer that performs instructions defined by software. Organized by unit, you will find the necessary activity files to be compiled by the Java environment, as well as runner files provided by Project Stem to test execution (when available). optimized for machines, characterized by their discrete logic and highly structed. May 8, 2024 · Unit 3 Practice Quiz. sqrt (firstNum); //Line 2. I and III only. redundant networks are more reliable. Computer Science Unit 2 Quiz. byte: 2^ 7 -1. System software. In event-driven programming some commands run in response to user interactions or other events. 3. B. ITCC 101 - Lesson 4 Part 2 (Operating Systems) quizlette2728161. Dive into the fascinating world of computer science with our "Computer Science Theory" course. 0); Consider the following method, which returns the lesser of its two parameters. the last line that is true. Modem. long: 2^ 63 -1. 0 (1 review) Flashcards. to/3RGN8ii ⬅️🎧🚀 F AP Computer Science A Study with Quizlet and memorize flashcards containing terms like computer-aided design software is used by_____, _____ software helps run the computer and coordinates instructions between other software and the hardware devices, unwanted or unneeded software included by manufacturers on new computers is called _____ and more. 10 terms. Learn. What is the best explanation for why digital data is represented in computers in binary? The binary number system is the only system flexible enough to allow for representing data other than numbers. Central Processing Unit (CPU) Click the card to flip 👆. Assume that each of the following expressions appears in a method in the same class as the method min. The 2020 free-response questions are available in the AP Classroom question bank. Study with Quizlet and memorize flashcards containing terms like What is a computing device?, What is a computing system?, what is a computing network and more. (t/f) Typing "var" before a word only updates a variable. 15 terms. String dessert = "pie"; dessert += "straw" + dessert + "berry"; What is the value of dessert after the code segment has been AS AQA computing comp2. set within each array to locate the position of an element, starts from 0. entity with data and operations that. A system with 8 possible states, for example, can store up to log 2 8 = 3 bits of information. You can now use Albert’s AP® Computer Science A content alongside code. This course is designed to introduce you to topics including algorithms, cryptography, and information theory. Therefore this method is called, and "C" is printed. A single letter, digit, or symbol. Type of network device that communicates with each other to check out possible paths and to. Quiz yourself with questions and answers for Intro to Computer Science Unit 2 Hardware and Software TEST, so you can be ready for test day. For example 7+5 is interpreted differently from "7"+"5". Practice for computer science topics by solving these practice mcq questions. Study with Quizlet and memorize flashcards containing terms like Computer Program, Hardware, Software and more. Q-Chat. 11 terms. o The primitives are: int, double, boolean. 31 terms. Study with Quizlet and memorize flashcards containing terms like Consider the following code segment. Consider the following program which uses commands from the pseudocode described above. AP Computer Science Principles Internet Quiz (Unit 2) Bandwidth. So that he had to dedicate it at some techical standards. Study with Quizlet and memorize flashcards containing terms like Algorithm, Linear Search, Sort and more. The robot is represented as a triangle, which is initially facing up, towards the top of the grid. A variable of type int can store whole number. Study with Quizlet and memorize flashcards containing terms like Braces are used to add clarity and descriptions to code. Ismn 2040 Exam 2 Kalgotra. can manipulate the data. Section 17: AWS Elastic Beanstalk If you are trying to locate a file on a computer or on a thumb drive 64 terms. 2% in 1991, to 12. C. Class. computer science principles unit 2. Router. An example of optical media (discs read by a laser) is a Blu-ray disc which has a data transfer rate of 4. Note The provided source code is intended to work with the 2023 AP CS A course. The return value of sqrt method is double. APCSA curriculum in Javaap csa unit 2 ️ Great AP CSA Exam Review Book: https://amzn. edhesive AP CS A Unit 1: Primitive Types (Quiz) Learn with flashcards, games, and more — for free. Consider the following code segment, which is intended to create and initialize the two-dimensional (2D) integer array num so that columns with an even index will contain only even integers and columns with an odd index will contain only odd integers. Central Processing Unit (CPU) The part of a computer that executes the machine instructions. Part of the hard drive that is designated as a temporary RAM when RAM gets full. masondao Teacher. Software and databases Learn with flashcards, games, and more — for free. 1 / 15. A variable of type double can store any number. Mar 17, 2021 · Study guide and exam review for Unit 2: Using Objects. CSP Unit 3 Assessment Learn with flashcards, games, and more — for free. 1 pt. Unit 3 Overview: Boolean Expressions and if Statements. The next two questions use a robot in a grid of squares. CSI 162 Final Exam. a group of two or more computer systems linked together. Sharon 7. Collection of programs rather than a single program. A social network represents relationships and flows between people, groups, organizations, animals, computers, or other information/knowledge Step 1: Everybody stands and lines up against the wall. Can result in loss of accuracy (underflow). 1 / 8. This code does not compile. Put the following data types in order from largest to smallest (in terms of memory used). "main" is a reserved word. Peer-to-Peer Networking and End Devices. -what can it be thought of? Click the card to flip 👆. RAM is volatile! When the computer is turned off, the RAM becomes empty! Study with Quizlet and memorize flashcards containing Q-Chat. 1. All values in a programming language have a "type" - such as a Number, Boolean, or String - that dictates how the computer will interpret it. T. Anatomy and Physiology I- Histology practical. String, double, int, boolean. Primitives and objects. 2 minutes. What protects a computer from viruses? Click the card to flip 👆. You can take the quiz again and answer a new set of questions. ashbenedick. Hold a pre-determined number of elements. Find the problem. Unit 5 Vocab Learn with flashcards, games, and more — for free. MohanDuvvuri. collegeboard. 59 terms. Difference between source code, binary code, and executable file, creating files, compiling commands, basic structure of a C program, data types, variables, format specifiers, operators, conditional statements, loops, functions, header files 40 terms. Line 2 should be: double secondNum = Math. 112 terms. Multiple Choice. Don wishes to swap the values of the variables x and y in his program. The literacy rate was 74. to represent a 'real world' problem in a computer program and removing unnecessary elements. double result = secret (4, 4. -the rate data travels from one point to another. executable. sqrt (firstNum); A. 8 terms. org units with tags such as codedotorg-unit-1-csa. -what is it. Compiler. Magnetic storage device (non volatile, holds all of your files and programs) VIRTUAL MEMORY. Ethical, legal and environmental impacts of digital technology on wider society. Yennnhilam. AP Comp Sci unit 2 quiz (#2) A hardware address that identifies a specific network interface to a network. println(str); What is printed as a result of executing the code segment?, Consider the following code segment. Program that coordinates computer resources, provides an interface between users and the computer, and runs applications. according to convention, we want to declare variables at the front. declare a variable. This page specially covers a lot of questions and can be useful for students, working A boolean value, true or false. A static field/variable has the same value for all instances. Diaaeldein Yossry Hassan Ahmed – Computer science Learn more. A double is a decimal. Tanya's OCI Foundations Practice Exam (1Z0 53. Mary_Cottier5. People, procedures, software, hardware, and data. Nov 21, 2023 · We have covered multiple choice questions on several computer science topics like C programming, algorithms, data structures, computer networks, aptitude mock tests, etc. 1 / 5. Study with Quizlet and memorize flashcards containing terms like internet, Wide Area Networks (WAN), what does a WAN use to connect? and more. 20 terms. 9% in 2021. diveoverdose. out. (t/f) The else statement at the end of an if else only executes if everything else is false. Formal sciences: the study of formal systems, such as those under the branches of logic and mathematics, which use an a priori, as opposed to empirical, methodology. Base b = 10 The poverty rate has gone down from 80% in 1971, to 44. String str = "AP"; str += "CS " + 1 + 2; System. 5 megabytes per second. USB mass storage controller- small micro controller with small amount of on-chip ROM and RAM. GCSE Computer Science: Unit 2. , What is an algorithm?, An algorithm can be written and displayed as plain, written text. All variables in Java must have a type. 1 / 31. Created by. well suited for human communication;complex and contain a high degree of abstraction. Jun_0928. katiesb023. log area? true. An int is an integer. Hintonl2. A programmer-defined data type. -measured by bits per second. 17 terms. Study with Quizlet and memorize flashcards containing terms like Pseudocode, Algorithm, Clarity and more. Data and instructions are swapped from RAM to Virtual Memory to make space. Program construction. -Transmission capacity measure by bit rate. Consider the following method which makes use of the shapes. I and III. The principle states that, whenever possible, communications protocol operations should be defined to occur at the end-points of a communications system, or as close as possible to the resource being controlled. Character. wormhunter. SSD. Unit 7 Test Gov. Definition. Step 5: The last person standing is the tallest in the group. Study with Quizlet and memorize flashcards containing terms like A precise sequence of instructions for processes that can be executed by a computer, A programming language with many commands and features designed to make common tasks easier to program. A machine that has a specific purpose or function, capable of communicating with other devices. 77 terms. , A number assigned to any device connected to the internet. Variable types fall into two categories. With free study sets, study modes and in-class games like Quizlet Live, you can instantly create a more engaged classroom. 5. Using symbols, variables etc. Review the basic principles behind how computer programs are architected and implemented as well their 2. Term. A benefit of structured programs is that large programs Click the card to flip 👆. PAGING/SWAPPING. public class SimpleGreeting is a program statement and must end with a semicolon. 1 / 37. Which specific computer part performs operations in most computers? Click the card to flip 👆. 16 terms. A quantum computer is a computer that exploits quantum mechanical phenomena. Study with Quizlet and memorize flashcards containing terms like What is the most fundamental concept of computer science?, What is data?, What is a program? and more. He adds a line of code which sets the value of x to the value of y and then a line of code which sets Study with Quizlet and memorize flashcards containing terms like Internet, Computing device, Computing Systems and more. Find other quizzes for and more on Quizizz for free! ctarvin09. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Program. Word interchangeable for software. 5 Parts of an Information System. Use Quizlet for GCSE Computer Science revision to learn about everything from algorithms to networks. No books, calculators, or computers are allowed! The exam consists of two parts that have equal weight: Section I: 40 multiple-choice questions in 1 hour and 30 minutes. 1 / 18. and more. luckycharm618. AP Computer Science A Cram Unit 2: Using Objects. cam2delgrosso. It costs less to design a network that is redundant. 2% as of 2021. easier to program and manage. When b is 2, the unit is the shannon, equal to the information content of one "bit" (a portmanteau of binary digit). Learn with a combination of articles, visualizations, quizzes, and coding challenges. Step 2: Each standing person pairs up with one other standing person. determine the most efficient way to get data to its destination. Flashcards; Learn; Computer science quiz study guide. Finding and fixing problems in your algorithm or program. alex06986. org. Click the card to flip 👆. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info. social network. The basement is referred to as "Level 0" while the topmost floor is "Level 9. 1 Algorithms. Other units that have been named include: Base b = 3 the unit is called "trit", and is equal to log 2 3 (≈ 1. D. 1 / 23. Study with Quizlet and memorize flashcards containing terms like Heuristic, Add The Same Number Of Bits To Each RGB Value, Bytes and more. , Small chunks of information that are carefully formed into larger chunks of information across the internet. The method call matches the signature of the third method, with name mystery, and parameters of an int followed by a double. 105 terms. aleximo9. Quizlet makes AI-powered learning tools that let you study anything. Author: Lavinia Jecan. Study with Quizlet and memorize flashcards containing terms like accessor, assignment operator:, class: and more. can be broken down into sub-tasks that are. A static method does not need an instance to be used. 130 midterm 2 Mohan. The robot is moved according to the instructions in the chart above. AQA A Level Computer Science Unit 2. Discover curriculum-aligned study sets and learning activities for exam board specifications. One programmer in the "driver" role uses the mouse and keyboard to actually write the code while a second acts as a "navigator", keeping track of the big picture, catching errors, and making suggestions. Use the tag feature to find questions that have been tagged with the correlating code. 4. a machine that can run a program, including , tablets, servers, routers, and smart sensors. Download free-response questions from past AP Computer Science A Computer Science Unit 2. CPU. Calculate the largest number represented by each integer data type. static. Devices. " The software for the elevator uses a variable, called level, to track the floor number of the AP COMPUTER SCIENCE A UNIT 2 QUIZ. AP Computer Science Principles Unit 2. Rectangle class. One copy exists for all instances of the class. Adding additional connections reduces the fault-tolerance of the network. Unit test. Students and teachers can sign up and study for free. CS—Computer Science; CSE—Computer Science and Engineering; CSI—Common System Interface; CSM—Compatibility Support Module; CSMA/CD—Carrier-sense multiple access with collision detection; CSP—Cloud Service Provider; CSP—Communicating Sequential Processes; CSRF—Cross-Site Request Forgery; CSS—Cascading Style Sheets; CSS—Content The branches of science, also referred to as sciences, scientific fields or scientific disciplines, are commonly divided into three major groups: . Has the effect of dividing by 2 for each place shifted. Start learning today with our online flashcards, games and expert-written solutions. Fixed size. Quantum System One, a quantum computer by IBM from 2019 with 20 superconducting qubits. Redundant networks are more reliable. Quiz 1. Study with Quizlet and memorize flashcards containing terms like Which statement is true about computing devices in a computing network?, Which of these figures does NOT represent a computer network of 6 devices?, Which statements are true about computing devices? and more. Study with Quizlet and memorize flashcards containing terms like Assignment, Operator, Modular Division and more. , A programming language that captures only the most 2. Preview. They usually come with a storage capacity of 25GB (1 layer of storage) or 50GB (2 layers). 35. Study with Quizlet and memorize flashcards containing terms like Define what is meant by abstraction. public static void stretch (Rectangle r) {. Crystal oscillator- produces devices main 12 MHz clock signal and controls the devices data output through a phase-locked loop. computing device. 585) bits. Study with Quizlet and memorize flashcards containing terms like That he couldn't keep up with the explosive demands for its services. 93 terms. Software engineering. It's easier, cheaper, and more reliable to build machines and devices that only have to Network Security Study Guide. a social structure made of nodes that are generally individuals or organizations. Study with Quizlet and memorize flashcards containing terms like What would be the final value of the variable third once the following program is complete? first ← 2 second ← 3 third ← first * second second ← third - first first ← first + second + third third ← second * first, Consider the block of code below: I'm too lazy to type it but yk What would be the most appropriate AP Computer Science Principles Unit 1. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior using specialized hardware. What line of an if statement will show in a console. Enables the computer to transmit data over telephone or cable lines. A program that translates code in a high-level language (such as Java) to machine instructions (such as bytecode for the Java virtual machine). Step 4: Repeat steps 2 and 3 until only one person is standing. The program cannot convert from double to int without casting. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. -max capacity of data transferred between two connections. int [] [] num = / missing code /; Which of the following initializer lists could Ready to get started? Sign up for free to save resources to your account, organise them for your classes and customise resources as you see fit. Study with Quizlet and memorize flashcards containing terms like What are the 3 programming constructs?, What is a sequence construct?, What is a selection construct? and more. Computer Science; Khan Academy AP Computer Science Unit 2: The Internet. System. Study with Quizlet and memorize flashcards containing terms like Protocol, IETF, Internet and more. Standard- USB plug- physical interface to host computer. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. 8. From mastering efficient problem-solving techniques like binary search and quick sort to unraveling the complexities of graph theory and Permanent memory that stores critical programs for starting and running a computer. Convert binary numbers to hexadecimal numbers. short for microprocessor or CPU. Security and data management. NAND flash memory chip (s)- stores data. Valentina Vidović – Computer science Learn more. Abstraction. ROM is non-volatile and can be only be read from. The protocols of the Internet only work on networks that are redundant. Ex: 11101bin -> 3Dhex. We've partnered with Dartmouth college professors Tom Cormen and Devin Balkcom to teach introductory computer science algorithms, including searching, sorting, recursion, and graph theory. 14. Any high level functionality is encapsulated as combinations of low level commands. Computer Science: Unit 2 Assessment. gibsonthoeletess. . Arrays can only store one type of values per array. A large office building has an elevator that carries occupants between any of the building's 10 floors. 35 terms. 32 of 32. AA306 test #1. 14 terms. A. First Generation. Unit 2- AP Computer Science Principles. AP computer science unit 2 quiz for 9th grade students. Any valid unit of code that resolves to a value. short: 2^ 15 -1. Comments help the computer decide whether certain components of a program are important. Study with Quizlet and memorize flashcards containing terms like RFC, What is an RFC, What is the IETF? and more. Take the GCSE computer science quick-fire quiz There are 10 quick-fire questions that should take approximately 5-10 minutes to complete. 66% in 2022. MAC. Quiz 2. , A code block is indicted by the use of [ ]. AP Computer Science Principles Unit 2 Review. Explore quizzes and practice tests created by teachers and students or create one from your course material. A file or program able to be run by a computer. A boolean can store true or false. The AP Computer Science A exam is a three-hour written exam. jb dc ue pv hu uq dc bw jn ik