Info Tech Quiz 1
About this set
Created by:
sbraley on March 29, 2010
Subjects:
information technology, file extensions, computer history
Log in to favorite or report as inappropriate.
Order by
46 terms
Terms | Definitions |
|---|---|
 Charles Babbage invented | the Difference Engine and Analytical Engine |
| Ada Countess of Lovelace is the... | world's first programmer |
| Who invented the machine used in the 1890 census? | Herman Hollerith |
| What did the machine used in the 1890 census use to calculate? | punch cards |
| What was Herman Hollerith's company named? | the Tabulating Machine Company |
| Three companies joined together to form what three letter company? | IBM |
| What machine did the Germans create to hide their messages during WWII? | the Enigma |
| What machine did the British create to decode the German code? | Collosus |
| What machine did the United States create during WWII to calculate the mathematics behind firing tables? | the Eniac |
| Who created the Eniac? | Eckert and Mauchly |
| Who thought computers should hold programming internally in the memory? | John von Neumann |
| What machine predicted the 1952 election? | the Univac |
| What led to the miniaturization of the computer? | the transistor, the integrated circuit, the microprocessor |
| What are transistors created on? | silicon |
| Who suggested the microprocessor, and what company did he work for? | Ted Hoff, Intel |
| What company fulfilled Doug Englebart's vision of a computer with a mouse? | Xerox |
| What personal computer did Xerox Parc create? | the Alto |
| What made the Macintosh computer easy for people to use? | software |
| What does a computer do? | stores, processes, and retrieves data |
| can be made to do some specific task | programmable |
| 3 types of computers | desktop, laptop, server |
| computer that will perform services for connected computers | server |
| physical parts internal to the computer | hardware |
| set of programs that perform some task for the user | software |
| four main parts of the harware | CPU, input/output devices, storage devices, motherboard |
| how we interact with the computer | input devices |
| how the machine gives us feedback | output devices |
| two types of storage devices | RAM, hard drive |
| how everything communicates with each other inside the computer | motherboard |
| measures computer speed | hertz (Hz) |
| measures computer storage | byte (B) |
| Hz measures the speed with which what runs? | the CPU |
| Bytes measure what? | the RAM and hard drive storage within the computer |
| order of measurements | B, KB, MB, GB |
| microsoft word | .doc |
| microsoft excel | .xls |
| microsoft powerpoint | .ppt |
| microsoft publisher | .pub |
| audio files | .mp3, .wav, .wma |
| image files | .jpg, .png, .gif, .bmp |
| video files | .wmv, .mp4, .avi, .mpg |
| files that contain other files; used to compress other files together | zip files |
| webpages | .html |
| digital text | .pdf |
| journal | .jnt |
| program files, installers, and executables | .exe |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.