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 concentric circle that serves as a storage area on a hard drive platter.






2. A port that enables the computer(or other device) to be connected to other devices or systems such as networks - modems - and the internet.






3. An active topology (meaning that data is retransmitted) in which the nodes connect to a central communications device called a switch. The switch receives a signal from the sending node and retransmits it to the node that should receive it.






4. A network located in a home that is used to connect all of its digital devices.






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






6. The technology used in flat-panel computer monitors.






7. A network device that is used to send data between two different local area networks (LANs) or two segments of the same LAN.






8. The process of restarting the system while it's powered on.






9. 'A wireless standard established in 1997 by the Institute of Electrical and Electronics Engineers; also known as WiFi (short for Wireless Fidelity) - it enables wireless network devices to work seamlessly with other networks and devices.'






10. An output device for sound.






11. A special numerical code that prioritizes requests from various devices. These requests then are placed in the interrupt table in the computer's primary memory.






12. A device that absorbs a signal so that it is not reflected back onto parts of the network that have already received it.






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






14. Software that is developed for and customized to a specific industry's needs (such as a wood inventory system for a sawmill) as opposed to software that is useful across a range of industries (such as word processing software).






15. A design in newer routers that provides for faster wireless data transmission by utilizing more than one antenna to transmit and receive data.






16. A picture on a computer display that represents an object such as a software application or a file or folder.






17. Interface between user and computer in which the user enters commands to communicate with the computer system.






18. A program that takes out redundancies in a file to reduce the file size.






19. A set of memory chips - located on the motherboard - which stores data and instructions that cannot be changed or erased; it holds all the instructions the computer needs to start up.






20. System software that controls hardware devices.






21. When the operating system processes the task assigned a higher priority before processing a task that has been assigned a lower priority.






22. A nonimpact printer known for quick and quiet production and high quality printouts.






23. A cable that transmits data at close to the speed of light along glass or plastic fibers.






24. The clearness or sharpness of an image - whcih is controlled by the numberof pixels displayed on the screen.






25. 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






26. A digit that corresponds to the on and off states of a computer's switches. A bit contains a value of either 0 or 1.






27. 'The process of identifying a computer user - based on a login or username and password. The computer system determines whether the computer user is authorized and what level of access is to be granted on the network.'






28. A computer running a specialized operating system that enables it to host Web pages (and other information) and provide requested Web pages to clients.






29. A program or hardware mechanism that controls which computer is allowed to use the transmission media in a network at a certain time.






30. 'A tag that looks like a sticker or label - is attached to a batch of merchandise - and contains a microchip that holds a unique sequence of numbers used to identify the product to which it is attached.'






31. A group of icons collected for easy access.






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






33. A network used to connect wireless devices (such as Bluetooth-enabled devices) in close proximity to each other.






34. A computer-controlled mannequin that simulates human body functions and reactions.Patient simulators are used in training doctors - nurses - and emergency services personnel by simulating dangerous situations that would put live patients at risk.






35. 'The process that occurs after the read/write head of the hard drive locates the correct track - and then waits for the correct sector to spin to the read/write head.'






36. A tyoe of audio processing that makes the listner experiance sound as if it were coming in all directions.






37. A device that sends processed data and information out of a computer in the form of text - pictures (graphics) - sounds (audio) - or video.






38. A type of monitor that is lighter and more energy-efficient than a CRT monitor; often used with portbale computers such as notebooks.






39. The language computers use to process data into information - consisting of only the values 0 and 1.






40. 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.






41. 'Program code made publicly available for free; it can be copied - distributed - or changed without the stringent copyright protections of proprietary software products.'






42. The maximum speed at which data can be transmitted between two nodes on a network; usually measured in megabits per second (Mbps).






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






44. The amount of random access memory (RAM) that is installed in a computer.






45. A port that can connect a wide variety of peripherial devices to the computer - including keyboards - printers - mice - smartphones - PDAs - flash drives - and digital cameras.






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






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






48. The process of swapping data or instructions that have been placed in the swap file for later use back into active random access memory (RAM). The contents of the hard drive's swap file then become less active data or instructions.






49. DVD format in which data can only be read and not written.






50. The set of techniques used in processing and retrieving information.