Computer Science Study guides, Class notes & Summaries

PCs correct answers A relatively small computer designed to be used by one person at a time. Most home computers are PCs. Workstation correct answers A larger and more powerful PC. "Industrial Strength." Mainframes correct answers An even larger computer that typically requires some support staff and generally is shared by more than one user. Network correct answers A number of computers connected so that they may share resources such as printers and may share information. A network m...

AP Computer Science Principles EXAM Quizlet 2023 fully solvedOverflow error that results when the number of bits is not enough to hold the number, like a car's odometer "rolling over" Round-off error that results when the number of bits is not enough to represent the actual number, like 3 digits to represent π as 3.14 Lossy Compressing data in a way that throws some data away and makes it almost impossible to recover the original, great compression, like JPEG images L...

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Computer Science Basics questions and answers 100% correct 2024 Computer - correct answer machine that manipulates data under control of a program (written by a person to perform a specific task) Program - correct answer Series of commands/code to tell specific tasks by means of directions/steps. Leads to a solution. Hardware - correct answer Physical device, piece of metal Software - correct answer Programming. Example: Microsoft Office (Software is more expensive) Programming -...

Computer Functions correct answers Input, Output, Process, Storage Input correct answers gathers data, allows users to input data Output correct answers displays data and information for user Process correct answers manipulates, calculates, and organizes data into information Storage correct answers saves data and information for later use data correct answers representation of fact, figure, or idea information correct answers data that has been organized or presented in a mean...

Computer Science - System Development Life Cycle (SDLC)question and answers correctly solved 2024 Preliminary Analysis - correct answer The first stage of the system development life cycle where it is determined whether a new system is required and alternative solutions are suggested Analysis - correct answer The second stage of the system development life cycle that involves an in-depth study of the existing system to find out what the new system should do Design - correct answer The th...

Computer Science Quiz Question and answers already passed 2024 Binary - correct answer number system uses only 1s and 0s primary language used by all modern computers Syntax - correct answer rules of grammar, word order, punctuation that must be used by a language semantics - correct answer meaning of words and objects that are included in a language variable - correct answer a word or symbol that's meaning can be changed function - correct answer a blueprint, pattern or te...

PrintWriter correct answers What is used for writing output to a file? scanner correct answers What is used when getting input from a file? scanner correct answers Which of the following is not a primitive data type? float long Scanner char /n correct answers Which of the following is an example of an escape sequence? /n while main Scanner count == 1 correct answers Which of the following does not change the value of a variable? count++ count == 1 count += 1 count =...

RAM correct answers Random Access Memory - temporarily stores data and programs currently in use - more RAM = more apps open - storage measured in gigabytes CPU correct answers Central Processing Unit - calculations and operations speed measured in gigahertz - faster CPU = faster response from computer HDD correct answers Hard Disk Drive - non volatile, stores data outside of computer - bigger HDD = more data storage - has moving parts SDD correct answers Solid State Drive - n...

Define the word "program". correct answer A set of instructions to achieve a specified goal. Explain why programming in machine language is undesirable correct answer Programming is 1s and 0s is very tedious and problematic. What language uses commands with mnemonic names and hexadecimal numbers? correct answer Assembly language What is the name of the translator used by Assembly Language? correct answer Assembler List 2 of Grace Hopper's accomplishments. correct answer Devel...