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 device such as a monitor - printer - or keyboard that connects to the system unit through ports.






2. 'A process that involves examining incoming data packets to ensure they originated from - or are authorized by - valid users on the internal network.'






3. A computer that provides resources to other computers on a network.






4. A special shelf inside a computer case that is designed to hold storage devices.






5. A computer that requests information from a server in a client/server network (such as your computer when you are connected to the Internet).






6. The computer's temporary storage space or short-term memory. It is located in a set of chips on the system's motherboard - and its capacity is measured in megabytes or gigabytes.






7. A low-power mode for electronic devices such as computers that saves electric poer consumption and sace your computer settings where you left off. When the computer is 'woken up -' you can resume working more quickly that when cold booting the comput






8. Any of the main files of an operating system.






9. A device that allows you to capture sound waves - such as those created by your voice - and transfer them to digital format on your computer.






10. 'A small program that performs many of the general housekeeping tasks for the computer - such as system maintenance and file compression.'






11. About a billion bytes






12. 'Unlike the command- and menu-driven interfaces used in earlier software - GUIs display graphics and use the point-and-click technology of the mouse and cursor - making them much more user-friendly.'






13. A hardware device that uses lasers or light to read from - and maybe even write to - CDs - DVDs - or Blu-ray discs.






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






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






16. 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.






17. A drive that plugs into a universal serial bus(USB) port on a computer and stores data digitally. Also called USB drive - jump drive - or thumb drive.






18. A server that provides client computers with access to information stored in a database.






19. When two computers send data at the same time and the sets of data collide somewhere in the media.






20. A device that routes packets of data between two or more networks.






21. A collection of files stored on a computer.






22. A method of optical storage for digital data that has greater storage capacity than compact discs.






23. An index of all sector numbers that the hard drive stores in a table to keep track of which sectors hold which files.






24. A network configuration in which the computers and peripherals are laid out in a configuration resembling a circle. Data flows around the circle from device to device in one direction only.






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






26. A system of networking connections in which all devices are connected to a central cable called the bus (or backbone).






27. 'A method of data collision detection in which a node connected to the network listens (that is - has carrier sense) to determine that no other nodes are currently transmitting data signals; short for Carrier Sense Multiple Access with Collision Dete






28. See local bus.






29. A home that has a computer and other digital devices that are all connected to a home network.






30. A business program used for storing sales and client contact information in one central database.






31. The combination of a computer's operating system and processor. The two most common platform types are the PC and the Apple Macintosh.






32. 'A prediction - named after Gordon Moore - the cofounder of Intel; states that the number of transistors on a CPU chip will double every two years.'

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33. An output device for sound.






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






35. A network made up of local area networks (LANs) connected over long distances.






36. A container designed to hold multiple data packets.






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






38. A computing device that runs a full-featured operating system but weighs two punds or less.






39. A server that processes and delivers incoming and outgoing e-mail.






40. A common output device that displays text - graphics - and video as soft copies (copies that can be seen only on screen).






41. RAM that is included as part of a video card.






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






43. 'Allows you to read flash memory cards such as CompactFlash - Memory Sticks - and Secure Digital.'






44. System software that controls hardware devices.






45. A signal that tells the operating system that it is in need of immediate attention.






46. 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.






47. The set of programs that enables a computer's hardware devices and application software to work together; it includes the operating system and utility programs.






48. A device that uses some unique characteristic of human biology to identify authorized users.






49. 'A type of network design in which users are not responsible for creating their own data backups or providing security for their computers; instead - those tasks are handled by a centralized server - software - and a system administrator.'






50. 'In a graphical user interface - a rectangular box that contains programs displayed on the screen.'