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






2. Aka World Wide Web.






3. A standard for interconnecting electronic musical instruments to communicate with computers and among themselves.






4. A CRT video setting - also known as the vertical refresh rate - that controls the rate per second at which an image appears on the tube.






5. A dark spot on an LCD screen caused when a transistor is permanently off.






6. A device - usually resembling a power strip - that protects equipment from power surges.






7. The chunks into which the TCP protocol packages data. In addition to the data - each datagram contains information - stored in a header - which is used by the TCP protocol on the receiving end to reassemble the chunks of data into the original messag






8. Memory that does not require power to keep stored data intact. Also called flash memory.






9. A drive used for reading from and writing to removable floppy disks. Also called FDD.






10. Software created to perform malicious acts. Also called malicious software.






11. Aka second-level domain.






12. A long-handled tool with a magnet on one end - used to pick up small objects containing iron.






13. Aka Integrated Drive Electronics.






14. A virus that gains access to a computer by masquerading as a harmless program that a user innocently installs on the computer.






15. A sleep mode that is available on any computer that supports ACPI power management. It conserves power while saving the desktop in RAM memory in a work state. To resume - you simply press the power button - and the desktop is quickly displayed.






16. Aka antistatic mat.






17. A type of DIMM memory module used in laptops.






18. A file attribute set by the OS when a file is created or modified. Backup software often removes this attribute when backing up a file in order to mark it as a backed-up file.






19. A utility in Windows NT for gathering and viewing performance data involving memory - disks - processors - network - and other objectives.






20. A common connector used to connect a power supply to internal peripherals.






21. The practice - mostly among gamers - of modifying a computer case.






22. 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






23. 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






24. The area at the beginning of a disk formatted with the FAT file system. This area contains the boot record - FAT table - and root directory.






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






26. Local area networking using radio waves - with the most common based on the IEEE 802.11 group of standards (802.11a - 802.11b - 802.11g - and 802.11n).






27. Aka read-only memory.






28. A component of a CPU that is responsible for all logical and mathematical operations in the system.






29. Aka RAID 5.






30. A computer (or dedicated device) that sits between a private network and an untrusted network and examines all traffic in and out of the network it is protecting. It will block any traffic it recognizes as a potential threat - using a variety of tech






31. A measurement of the pressure of electrons - the electromotive force. It is calculated by the formula volts = watts / amps.






32. A pen-sized tool that has a plunger at one end. When pressed - the plunger causes small - hooked prongs to extend from the other end of the tool for retrieving dropped objects from inside a computer.






33. Aka S-Video.






34. In Windows - an Advanced Option that is only available in Windows Servers in the role of domain controllers - although it appears on the menu in non-domain controllers.






35. A single-sided - single-layer digital versatile disc (DVD) that stores 4.7 GB of data - or over two hours of video.






36. An external serial bus standardized by the IEEE. Apple first developed it as FireWire. Other manufacturers call it i.link or Lynx. It can support up to 63 daisy-chained devices. Since the introduction of the faster update - IEEE 1394b - the original






37. A group of features in the system BIOS - the chipset - the operating system - device drivers - and the individual components that enable efficient use of power in a computer.






38. A TPM is a special microchip - installed on a motherboard - that stores passwords - keys - and digital certificates. Various services - such as BitLocker can store such security data in this chip.






39. A type of motherboard used in older PC systems; also refers to the 1984 IBM PC AT model.






40. 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."






41. Aka cathode ray tube (CRT) monitor.






42. A software fix for a single problem.






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






44. Aka external cache.






45. Another name for a motherboard in a laptop.






46. In reference to the Windows operating systems - one that can utilize more than 4 GB of address space. Depending on the version - 64-bit Windows can address a maximum of from 8 to 192 GB.






47. A user interface that takes advantage of the video system's graphics capabilities for manipulated graphic elements that represent objects and tasks.






48. In the laser printing process - the step at which the heat-sensitive toner is fused to the paper by heated fusing rollers.






49. A Windows wizard that sets options for starting and running a specific old program that will not otherwise run properly in Windows.






50. In a CPU - the speed at which it can potentially execute instructions - measured in millions of cycles per second