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Comptia A + Certification

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. The conversion of data into a special format that cannot be read by anyone unless they have a software key to convert it back into its usable form.






2. A power supply that detects the incoming voltage and switches to accept either 120 or 240 VAC.






3. Malware that hides itself from detection by antimalware programs; it is installed on a computer by someone who has privileged access to the computer.






4. A disc drive that uses laser technology to read and/or write to special discs.






5. [1] On computer circuit boards - a very tiny slide that indicates two states.. [2] In a network - a network device - much like a hub - except that a switch takes an incoming signal and sends it to only the destination port - avoiding collisions and m






6. Aka Dynamic Host Configuration Protocol.






7. A plug designed for testing a specific port type (e.g. - serial - parallel - or USB). The plug does not connect to a cable but reroutes the sending pins to the receiving pins. Using special software on the computer - a loopback test is performed in w






8. An automated software installation that does not require a person be present to respond to prompts for information.






9. Aka Advanced Power Management.






10. In the Windows registry - a folder that may contain one or more sets of settings as well as other keys.






11. Aka virtual file allocation table.






12. Aka boot record.






13. A reading and writing device in a floppy or hard drive that is mounted on an articulated arm that moves back and forth over the floppy disk or metal platter.






14. A partition type on a basic disk that can have only one logical drive assigned to it encompassing the entire partition. This partition type is also the only type of partition on a basic disk that can be marked as active for booting up an operating sy






15. The format in which IP addresses are usually shown - with decimal numbers separated by "dots" as in 192.168.100.2.






16. A type of power supply that converts AC power to voltages needed for a device. AC adapters are generally used for portable PC systems and other devices.






17. Aka antistatic mat.






18. The difference in value between a display's brightest white and darkest black. Modern LCD displays have a contrast ratio of 500:1 or greater.






19. In reference to a memory module - how much information the processor can access from or write to memory in a single cycle.






20. A program that blocks browser pop-ups.






21. The process of informing the software manufacturer who the official owner or user of the product is - and providing contact information such as name - address - company - phone number - e-mail address - and so on - about them. Registration is usually






22. A 36-pin connector mounted to a device's parallel interface.






23. A magnetic storage device that contains a thin internal plastic disk - capable of receiving magnetic charges contained in the thin magnetic coating on the disk.






24. The traditional wired telephone network.






25. Aka demilitarized zone.






26. The disruption of signal transmission caused by the radiation of electrical and magnetic fields. Electric motors are a common source of EMI.






27. A printer that creates printed output line by line.






28. A raised area on an optical disc that is alternated with depressed areas to be interpreted as data.






29. A metal plate behind the front of a CRT monitor that focuses the electron beams from the gun.






30. An installation of Windows that is not automated - where the user is required to pay attention throughout the entire process to provide information and to respond to messages. Also called a manual installation.






31. Memory that can only be read and that contains program code. ROM is also called firmware.






32. A type of riser card that connects directly into a motherboard and adds no additional functionality of its own - but extends the expansion bus and allows expansion cards to be added in a different physical orientation.






33. Aka Compact Disc-Read-Only Memory.






34. In reference to IDE PATA drives - the master drive on the first channel.






35. The Microsoft Website from which you can download updates to Windows.






36. Video RAM memory that uses a technique for using video RAM to perform Windows-specific functions to speed up the OS.






37. Aka Wi-Fi Protected Access 2.






38. An encryption technology introduced in Windows Vista Enterprise and Ultimate editions - Windows Server 2008 - and also in Windows 7 Ultimate and Enterprise editions. It encrypts the entire boot volume.






39. A set of standards for imaging devices - such as scanners and cameras - that is used in drivers and other software for these devices.






40. A communication service provided over a telecommunications network or computer network. A VC logically resembles a circuit while passing over a complex routed or switched network - such as the phone company's frame relay network.






41. A 25-pin D-shell connector.






42. A set of wires used by data traveling into and out of a processor.






43. In the laser printing process - the stage in which the image is removed from the photosensitive drum so it can accept the next image.






44. A KVM switch that uses software and special keyboard commands to switch among controlled computers. Also called anactive KVM switch.






45. A specialized device for testing a power supply unit that comes with connectors compatible with the output connectors on a standard power supply.






46. An interface standard for use with DVD players - digital television (DTV) players - set-top cable or satellite service boxes - and other devices. It combines audio and video signals into an uncompressed signal and has a bandwidth of up to 5 GB/second






47. One or more lights (usually LEDs) on a device that indicate the device's operational status through the color of the light - by blinking or remaining steady or both.






48. A wireless network standard that uses the 5 GHz band.






49. Aka secure socket layer.






50. A tool for testing if a cable can connect properly end-to-end and to determine if a cable has a short. These tools are available for a variety of cable types.







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