Test your basic knowledge |

Technology In Action - 2

Subjects : it-skills, literacy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A measure of the difference in light intensity between the brightest white and the darkest black colors that a monitor can produce. If the contrast ratio is too low - colors tend to fade when the brightness is adjusted to a high or low setting.






2. A group of icons collected for easy access.






3. Eight binary digits(bits)






4. 'A network topology in which each node on the network is responsible for retransmitting the token - or the data - to other nodes.'






5. 'An application program - such as Microsoft Project - that helps project managers generate charts and tables used to manage aspects of a project.'






6. A specially designed computer that can perform comples calculations extremely rapidly; used in situations in which complex models requiring intensive mathmatical calcualtions are needed (such as weather forecasting or atomic energy research).






7. 'The set of minimum storage - memory capacity - and processing standards recommended by the software manufacturer to ensure proper operation of a software application.'






8. A small segment of data that is bundled for sending over transmission media. Each packet contains the address of the computer or peripheral device to which it is being sent.






9. A single copper wire surrounded by layers of plastic insulation and sheathing; used mainly in cable television and cable Internet service. Key Terms






10. A specially designed computer chip that resides inside another device - such as a car. These self-contained computer devices have their own programming and typically neither recieve input from users nor interact with other systems.






11. A series of instructions to be followed by a computer to accomplish a task.






12. 'A utility that regroups related pieces of files on the hard drive - enabling faster retrieval of the data.'






13. Software that provides street maps and written directions to locations.






14. 'A thin - round - metallic storage plate stacked onto the hard drive spindle.'






15. One of three competing technologies for rewritable DVDs.






16. A specialized computing device designed to store and manage network data.






17. A device similar to a switch in an Ethernet network. It takes the place of a wireless network adapter and helps relay data between network nodes.






18. A unit of computer storage equal to approximately one thousand bytes.






19. A block of code in the operating system that software applications need to interact with.






20. A hard drive that is installed inside the system unit.






21. 'Programs that include image - video - and audio editing software - animation software - and other specialty software required to produce computer games - animations - and movies.'






22. The process of starting a computer from a powered-down or off state.






23. A method of optical storage for digital data; originally developed for storing digital audio.






24. 'The process of looking at a computer's subsystems - what they do - and how they perform to determine whether the computer system has the right hardware components to do what the user ultimately wants it to do.'






25. See eSata.






26. Acts as a go-between for computers on the internal network and the external network (the Internet).






27. A small program that groups a series of commands to run as a single command.






28. The set of computer programs or instructions that tells the computer what to do and enables it to perform different tasks.






29. Connects the processor (CPU) in your computer to the system memory and allows data to your processor at a faster speed.






30. The radio waves or cable that transport data on a network.






31. 'A device that enables the computer (or peripheral) to communicate with the network using a common data communication language - or protocol.'






32. A pen-shaped device used to tap or write on tough-sensitive screens.






33. The discrepancy between those who have access to the oppertunities and knowledge computers and the internet offer and those who do not.






34. A measure of processing speed equal to 1 million hertz.






35. The memory that the computer's operating system uses.






36. The time it takes a storage device to locate its stored data.






37. A collection of software programs that have been bundled together as a package.






38. 'In a wireless network - a device that translates the electronic data that needs to be sent along the network into radio waves and then broadcasts these radio waves to other network nodes.'






39. A group of icons collected for easy access.






40. 'In a file name - the three letters that follow the user-supplied file name after the dot (.); the extension identifies what kind of family of files the file belongs to - or which application should be used to read the file.'






41. 'Portable storage devices - such as CDs - DVDs - and Blu-ray discs - that use a laser to read and write data.'






42. Software that is delivered on demand over the Internet.






43. 'Someone who has training in computer and peripheral maintenance and repair - network design - and the installation of network software; installs new equipment - configures computers for users - repairs equipment - and assigns network access to users






44. 'The first job the basic input/output system (BIOS) performs - ensuring that essential peripheral devices are attached and operational. This process consists of a test on the video card and video memory - a BIOS identification process (during which t






45. A small camera that sits on top of a computer monitor (connected to the computer by a cable) or is built into a notebook computer and is usually used to transfer live video.






46. A type of wireless technology that uses radio waves to transmit data over short distances (approximately 30 feet for bluetooth 1 and 60 feet for bluetooth 2). Often used to connect peripherals such as printers and keyboards to computers or headsets t






47. 'A section of a hard drive platter - wedge-shaped from the center of the platter to the edge.'






48. A small - joystick-like nub that enables you to move the cursor with the tip of your finger.






49. A Windows utility that checks for lost files and fragments as well as physical errors on a hard drive.






50. A compact audio-video interface standard that carries both high-definition video and uncompressed digital audio.