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. The hardware architecture - including the CPU - BIOS - and chipset.






2. A protocol used to resolve an IP address to a MAC address.






3. A setting on an LCD display that adjusts the viewable area of the display horizontally.






4. A pixel that is permanently turned on - causing the pixel to show constantly as red - green - or blue. Also called a stuck pixel.






5. A company in the business of providing Internet access to users.






6. Aka peripheral component interconnect.






7. Aka Digital Light Processing.






8. An assigned address or range of addresses on a system's address bus that - together with an interrupt request line (IRQ) - allows a device to be recognized by the processor.






9. Aka Wired Equivalent Privacy.






10. A term used by Microsoft for a peer-to-peer network in which each computer can be either a client or a server or both.






11. A PCMCIA card standard that comes in two interfaces: PCIe and USB 2.0.






12. Aka expansion bus.






13. A type of arithmetic logic unit (ALU) that is used to perform specialized functions - such as division and large decimal number operations. Also called a math coprocessor.






14. A Windows GUI utility that allows an administrator to view the status of devices and install - remove - and update device drivers.






15. A security account that exists in a local security accounts database.






16. An identifier assigned to a process when it starts.






17. The process of using an oscillating magnetic field to reduce and randomize the magnetic field that builds up on the shadow mask of a CRT monitor.






18. Aka surge protector.






19. A heat dissipation device - usually a passive metal object with a flat surface attached to a component - such as a chip.






20. The cellular network standards used by AT&T and T-Mobile.






21. Light waves in the infrared spectrum.






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






23. A special substance - also called thermal paste or heat sink compound - that increases the heat conductivity between a fan or heat sink and a chip.






24. The original digital versatile disc (DVD) encoding format used for movies sold at retail.






25. The moving of data from one storage device to another.






26. The specific requirements for the level of CPU - amount of memory - and size of the hard disk for the computer on which an operating system can be installed.






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






28. RAM that doubles the rate of speed at which a standard SDRAM can process data. Also called DDR and DDR1. A stick of DDR1 SDRAM has 184 pins.






29. 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.






30. The original version of the IEEE 1394 standard that supports speeds up to 400 Mbps.






31. An LCD display using an old technology that has a grid of horizontal and vertical wires with a transistor at the end of each wire. When two transistors (one at the x-axis and one at the y-axis) send voltage along their wires - the pixel at the inters






32. The type of electrical current delivered by a battery in which the electrons flow in only one direction.






33. A service implemented on Windows Servers that hides the complexity of the network from end users in that it makes files that are distributed across multiple servers appear as if they are in one place.






34. An action - such as the CTRL-ALT-DELETE key combination or the insertion of a smart card - that clears memory of certain types of viruses before a user logs on.






35. A single-sided - double-layer digital versatile disc (DVD) that stores 8.54 GB of data - or over four hours of video.






36. A version of Windows Vista that includes Windows Media Center - which supports advanced multimedia functions.






37. A joke program that produces strange behavior - such as screen distortions - erratic cursor behavior - or strange icons to appear on the screen.






38. A CRT video setting - also known as vertical hold - that holds the image vertically on the screen.






39. In a laser printer - the lamp that heats the fusing rollers.






40. An early international standard for sending voice and data over digital telephone wires. ISDN uses existing telephone circuits or higher-speed conditioned lines to get speeds of either 64 Kbps or 128 Kbps. ISDN lines also have the ability to carry vo






41. 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






42. Aka Advanced Configuration and Power Interface.






43. Aka File Transfer Protocol (FTP).






44. An icon that represents a link to any object that an icon can represent. Activating a shortcut (by double-clicking it) is a quick way to access an object or to launch a program from the desktop without having to find the actual location of the object






45. A term applied to a CPU - motherboard - or other components that conform to the newer 64-bit architecture. Also referred to as 64-bit.






46. A DVD drive that cannot write to but can read DVD discs.






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






48. One or more chips in a computer's chipset that controls communications between the CPU and RAM on the motherboard.






49. A device that sits at the connection between networks and routes packets based on their logical destination addresses.






50. 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.