Study guides, Class notes & Summaries

Which of the following is an important step to take before beginning to write the code for a program? - ANS>Plan the logic and anticipated input/output of the code Which of the following could be considered part of the beginning "state" of a Scratch program? - ANS>All of the options listed As part of the lifecycle of a program, after a computer programmer writes the code, it is then compiled and usually used to create an executable file to be run on the CPU. The code that is run th...

software - ANS>Program that runs on the computer Application Software - ANS>Program with which the user interacts directly to perform a task System Software - ANS>Program that runs the computer and allows other applications to run Utility Software - ANS>Tool provided by the system software Operating System - ANS>A collection of software that controls the operation of a computer and manages resources. Single User, Single Task - ANS>A computer with which only one user can...

Grace Hopper - ANS>She was computer engineer for the US Navy that helped chart the course of the computer industry. She coined the term "debugging." She played central roles in the development of the first compiler and COBOL (the first computer language for business). She retired from the Navy with the rank of Rear Admiral (equivalent to Major General (army)) at the age of 79. What is the most basic computer network? - ANS>p. 273 A computer network is any system of two or more comp...

Multimedia - ANS>Combination of media's such as texts, books, pictures, music, sounds, CDs, videos, DVDs, MP3 players, iPods, records films etc Technical Definition of Multimedia - ANS>- Content that uses a combination of different content forms such as text, audio, images, animations, video and interactive content - Describes any application or technology that can be used to do this^ Software Applications - ANS>??? - database programs, word processors, web browsers and spreads...

How long does it take to make a first impression? And how long to go beyond? - ANS>7-15 Seconds, 4 minutes What is MULTIMEDIA? Examples: - ANS>Everything you can see or hear. Texts, books, pictures, music, videos Technical Def. of MULTIMEDIA - ANS>Describes technology or application used to present: text, images, video, sound What does the world-wide web (internet) offer? - ANS>Speed, low cost, accessible Continent with the most users? - ANS>Asia Continent with most % of u...

algorithm - ANS>a set of rules that precisely defines a sequence of operations animation - ANS>the process of creating motion and shape change illusion by means of the rapid display of a sequence of static images that minimally differ from each other arithmetic logic unit - ANS>component of the processor that performs arithmetic, comparison, and other operations assigning to a variable - ANS>changing the value of a variable boolean - ANS>true or false value break statement...

Computer can only execute instructions; therefore, rerunning a program with the same data produces exactly the same result every time - ANS>True Every memory location in the computer is numbered, starting at 0. - ANS>True Each byte in memory is limited in size - ANS>True computer memory is divided into bytes of 9 bits - ANS>false a megabyte is exactly one million bytes - ANS>false the ADD instruction adds the values, not the address numbers of the memory locations - ANS>...

Computer can only execute instructions; therefore, rerunning a program with the same data produces exactly the same result every time - ANS>True Every memory location in the computer is numbered, starting at 0. - ANS>True Each byte in memory is limited in size - ANS>True computer memory is divided into bytes of 9 bits - ANS>false a megabyte is exactly one million bytes - ANS>false the ADD instruction adds the values, not the address numbers of the memory locations - ANS>...

hich of the following is a secondary storage device? - ANS>USB flash drive in a computer, everything is represented in terms of _____ - ANS>5 volts and 0 volts ones and zeros high and low an analogy to ROM is what type of book? - ANS>a library book considered to be the founder of computing machinery _____ - ANS>Charles Babbage a term used to measure speed in a computer is ____ - ANS>hertz a standard representation of data involving a group of 8 bits is called a _____ - AN...

CPU - ANS>Central processing unit processes and executes data and instructions. carries out the FDE cycle CU - ANS>Control Unit, controls the flow of data in the CPU controls registers and busses. decodes instructions and manages execution. Control Bus - ANS>sends signals throughout processor used to transmit commands timings and status of components Data bus - ANS>Transfers data between memory and components Address bus - ANS>moves address between pc, cir, mar and memory ...