Test your basic knowledge |

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. Aka alternating current.






2. 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.






3. An adapter card used to run a special diagnostic test on a computer as it is powering up. These tests usually go beyond those performed by the system BIOS-based POST.






4. A term used for CPU packaging that indicates that a chip has columns and rows of pins.






5. Aka taskbar.






6. A practice begun in Windows 2000 in which all of the operating system code is digitally signed to show that it has not been tampered with.






7. Aka S-Video.






8. A communications network made up of personal computing devices - such as computers - telephones - and personal digital assistants.






9. Aka Dynamic Host Configuration Protocol.






10. Aka Voice over IP (VoIP).






11. 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.






12. Aka Enhanced IDE.






13. A laptop is a small - easily transported computer - generally weighing less than 7 pounds and with roughly the same dimensions as a 1- to 2-inch-thick stack of magazines. Laptops computers have an all-in-one layout in which the keyboard - and often t






14. A category of software that runs surreptitiously on a user's computer in order to gather information without the user's permission and then sends that information to the people who requested it.






15. A partition type that can exist on a basic disk and have one or more logical drive letters assigned to it. A Windows operating system cannot boot from an extended partition.






16. A registry key that exists within another key.






17. A number that identifies a device on a SCSI chain.






18. A technology for transferring serial data at high speeds. Also known as low-voltage differential signaling (LVDS).






19. Client software for browsing and accessing the content on the World Wide Web. Examples include Internet Explorer and Firefox.






20. A type of printer that transfers ink to paper by causing a print head to strike a printer ribbon containing ink against the paper.






21. An enhanced version of PPP - which adds the ability to secure the point-to-point connection with encryption.






22. Digital versatile disc (DVD) discs that can be written to once - but data cannot be overwritten. This term also refers to the drives that can write to these discs.






23. A laptop in which the display is an integrated digitizer.






24. Aka interrupt request line.






25. A CRT video setting - also known at horizontal hold - that holds the image horizontally on the screen.






26. In reference to IDE PATA drives - the slave drive on the second channel.






27. A DVI mode that supports downward compatibility with analog displays.






28. A display device that contains a cathode ray tube and uses an electron gun to activate phosphors behind the screen at the front of the tub.






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






30. A data encryption technology used for securing data transmitted over the Internet.






31. In power supplies - the amount of wattage the power supply can handle.






32. The "activity" status light on a NIC that indicates data is being transmitted.






33. Aka asynchronous transfer mode.






34. Aka internal cache memory.






35. Cable that consists of pairs of wires twisted around each other. The twists help to boost each wire's signals and make them less susceptible to electromagnetic interference (EMI).






36. Aka motherboard.






37. A technology for ROM that can be reprogrammed using special software.






38. A device that in its traditional configuration as a local KVM switch connects a single keyboard - video display - and mouse to two or more computer systems - allowing the user to switch control from one computer to another.






39. A power supply that converts between alternating current and direct current.






40. A security feature introduced in Windows Vista to prevent unauthorized changes to Windows.






41. In reference to parallel ports - a mode in which the parallel device connected to the parallel port can receive data but cannot send data. CMOS settings (system settings) may refer to this mode as "Transfer only."






42. Aka Advanced Communications Riser.






43. A special disk used for recovering an OS failure in Windows 2000. It requires that you create the ERD while the system is healthy - and then use it - along with the Windows Setup CD - to repair Windows.






44. A Windows server running the WINS service to maintain and resolve NetBIOS names.






45. A command-line tool installed with the TCP/IP protocol suite that is used for testing communications between two hosts.






46. Aka DDR3 SDRAM.






47. The cellular network standards used by Verizon and Sprint-Nextel.






48. A grouping of wires built into a PC that - based on certain protocols - transfers data - control signals - and power to printed circuit boards (adapter cards) that are plugged into connectors in the expansion bus. Technicians often use the termsexpan






49. Aka Internet Message Access Protocol (IMAP).






50. In Windows Vista - a vertical bar found by default on the right side of the desktop. Here - you will find gadgets and mini-programs.