Computer Science Study guides, Class notes & Summaries

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...

Computer Science Unit 1 Digital Information Question and answers rated A+ 2024 Byte - correct answer 8 bits bit - correct answer A contraction of "Binary Digit". A bit is the single unit of information in a computer, typically represented as a 0 or 1. overflow error - correct answer error from attempting to represent a number too large roundoff error - correct answer occurs when an exact value cannot be made with the available place is an error from attempting to represent a number...

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...

Saddleback College Computer Science 1A - Rousseau, Michele Exam 1

Computer Science. Latest 2022/23. Update. 100% Approved Document Content and Description Below ----> 238 - Converting From Binary To Denary 107 ----> - Converting From Denary To Binary 1 Kilobyte - Number Of Bits: 2¹⁰ Denary Value: 1 024 bytes 1 Megaby te - Number Of Bits: 2²⁰ Denary Value: 1 048 576 bytes 1 Gigabyte - Number Of Bits: 2³⁰ Denary Value: 1 073 741 824 1 Terabyte - Number Of Bits: 2⁴⁰ Denary Value: 1 099 511 627 776 1 Petabyte - Number Of Bits: 2⁵⁰ Denary...

GCE Computer Science H446/02: Algorithms and programming A Level Mark Scheme for June 2022 GCE Computer Science H446/02: Algorithms and programming A Level Mark Scheme for June 2022 GCE Computer Science H446/02: Algorithms and programming A Level Mark Scheme for June 2022 GCE Computer Science H446/02: Algorithms and programming A Level Mark Scheme for June 2022 GCE Computer Science H446/02: Algorithms and programming A Level Mark Scheme for June 2022 GCE Computer Science H446/02: Algorithms...

Computer Science Test Questions & answers 2023PrintWriter What is used for writing output to a file? scanner What is used when getting input from a file? scanner Which of the following is not a primitive data type? float long Scanner char /n Which of the following is an example of an escape sequence? /n while main Scanner count == 1 Which of the following does not change the value of a variable? count++ count == 1 count += 1 count = 1 count = count +...

Active Cell : box being used fill handle : bottom right corner of the box and drag the box to the right to fill it in cell reference : name or corrinate of cell (column/row) value of cell : what the cell contains column : vertical, named by letters row 2 | P a g e : horizontal, named by numbers formula : math equation formula bar : top, will see name of cell that is active and what is being typed range reference : naming group of cells (top:bottom) workbook : excel file, col...

What is a Natural Number and its Symbol?Positive Integer (N) What is a Real Number and its Symbol?Any number (R) What is an Integer and its Symbol?Any whole number (Z) What is a Rational Number and its Symbol?Can be represented in a Fraction (Q) What is a Ordinal Number?Position in a list What is a Cardinal Number?Size of list What is Absolute Error?Difference between actual answer and estimate What is Relative Error?absolute error/true value

Why is all data stored in a computer in binary form? - ️️Computers are only able to read and store data in binary form, 1 or 0, on or off, yes or no, voltage or none. Binary is the simplest way to manage information. What are the four primary functions of hardware? - ️️Input, output, processing, and storage of data. What are the two main input devices and two main output devices? - ️️Two main input devices are the mouse and keyboard. Two main output devices are the monitor and ...