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. A technology developed in the 1980s for storing data. Variations of this format are in use today.






2. A type of memory checking in which every eight-bit byte of data is accompanied by a ninth bit (the parity bit) - which is used to determine the presence of errors in the data. The two types of parity are odd and even.






3. A type of KVM switch that controls computers over a distance that is a function of the cabling and protocols it uses. The two types of switches are local remote KVM switch and KVM over IP.






4. Digital versatile disc (DVD) discs that can be written to - and data can also be overwritten. This term also refers to the drives that can write to these discs.






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






6. A unit of measurement of actual delivered power - calculated by the formula watts = volts






7. The practice of forcing a CPU or other computer component to run at a higher clock rate than the manufacturer intended.






8. Any power supply that provides high voltage - such as those in laser printers and CRTs.






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






10. Aka Fast Ethernet.






11. A type of motherboard and its variants most commonly used in recent PC systems.






12. An internal bus in a CPU that connects it to memory and video.






13. Aka video RAM.






14. Software installed on a computer without permission that collects information about a user in order to display targeted advertisements - in the form of either inline banners or pop-ups. Inline banners are advertisements that run within the context of






15. Electrically erasable programmable ROM. A ROM chip that is erasable using an electrical charge.






16. Aka electronic KVM switch.






17. 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.






18. A printer that uses a light beam (laser) in the printing process.






19. A network service that handles the requests for Internet services - such as Web pages - files on an FTP server - and mail for a proxy client without exposing that client's IP address to the Internet. There is specific proxy server and client software






20. A Windows sleep mode that uses hard drive space to save all the programs and data that are in memory at the time you choose this mode. The computer then completely shuts down and requires no power while it is hibernating.






21. A key on a laptop that is combined with the FN key to toggle the laptop's speaker on and off. The SPEAKER ON/OFF key is usually one of the standard function keys - such as F3 - that displays a speaker symbol.






22. 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.






23. Aka asynchronous transfer mode.






24. A drive that can be safely installed and removed while a computer is up and running without damaging the data stored on the drive.






25. A video signaling method in which analog video information is transmitted as two or more discrete signals. Two general types of component video are RGB Video and S-Video.






26. A very old expansion bus standard - seen in the early IBM PC.






27. Program code that provides a way for someone to gain access to a computer while bypassing security. Only a person who knows how the back door works can use it - but once in - that individual has the same access as the host program to all the internal






28. A virtual communication circuit that is created and remains available between two endpoints - which are normally some form of data terminal equipment (DTE). Telecommunications companies provide PVC service to companies requiring a dedicated circuit b






29. A metal strip used to cover an empty slot in order to preserve the correct air flow and keep dust out.






30. A DVD of any type that can store data on both sides of the disc.






31. Aka nickel metal hydride.






32. A circuit card in a PC that controls the output to the display device(s).






33. A now-obsolete type of rechargeable battery used in laptops and other portable devices - replaced by lithium-ion batteries.






34. Aka thermal compound.






35. A wireless data encryption standard based on the IEEE 802.11i security standard. It issues keys per-user and per-session and includes encryption key integrity checking. It uses Temporal Key Integrity Protocol (TKIP).






36. 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.






37. Aka Internet Control Message Protocol.






38. Aka accelerated graphics port.






39. A magnetic storage device that stores data on metal platters that have a coating that holds data in the form of changes to small magnetic particles in the coating. Also called HDD.






40. A type of printer that uses solid - rather than liquid - ink.






41. A chip that keeps track of the date and time on a PC. Set the date and time through your operating system or in the BIOS Setup program.






42. Aka enhanced parallel port (EPP) mode.






43. Aka hyper threading.






44. A card that fits into the PC Card interface - including both PC Card and CardBus cards. This type measures 85.6 millimeters long by 54 millimeters wide and 3.3 millimeters thick.






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






46. In a CPU - special memory that resides within the CPU's core and is used to temporarily store instructions and data in order to increase the processing speed. Also called L1 cache.






47. Aka Integrated Drive Electronics.






48. A type of solid-state storage that is commonly used in a variety of devices - such as digital cameras.






49. A wireless network standard that uses the 2.4 GHz band at a speed of up to 10 Mbps.






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