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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. 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.






2. Aka permanent virtual circuit.






3. A generic reference to a PC's serial communications port - in which the x represents the port number.






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






5. Aka network interface card.






6. A type of thermal printer in which a heated print head burns dots into the surface of heat-sensitive paper.






7. Aka Video Electronics Standards Organization.






8. The Windows Vista and Windows 7 tool for gathering and viewing performance data involving memory - disks - processors - network - and other objectives.






9. A type of switched network used by phone companies.






10. 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






11. 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.






12. A network in which dedicated computers called servers store data and provide print services or other capabilities to computers running the appropriate client service or services.






13. A cell phone with Personal Digital Assistant (PDA) functions built in.






14. A circuit on a motherboard through which incoming power passes. Several voltage regulators maintain a steady voltage as demand goes up and down - with one or more voltage regulators for the various voltages required (5 volts - 12 volts - 3.3 volts -






15. Program code that allows an operating system to control the use of a physical device.






16. One of the main protocols of the TCP/IP protocol suite - IP manages logical addressing of network packets so routing protocols can route the packets over the network.






17. Aka uninterruptible power supply.






18. Aka external cache.






19. An Advanced Options menu choice that creates a log of the Windows startup in a file named NTBTLOG.TXT and saved in thesystemroot folder (normally C:Windows).






20. An assigned channel over which a device can send a signal to the processor to get its attention.






21. A chip that works with a serial port - converting outgoing data from parallel to serial and incoming data from serial to parallel.






22. One of the two prevailing CPU manufacturers.






23. A local bus designed for video only - it provides a direct link between the processor and the video card - giving the video card direct access to main memory.






24. 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.






25. A type of switched network used by phone companies.






26. In Windows XP - this replaces the Emergency Repair process of Windows NT and Windows 2000. ASR is available from the Windows Backup program (NTBACKUP.EXE).






27. Aka RAMBUS Inline Memory Module.






28. A method used by several software manufacturers to combat software piracy. The formal name for Microsoft's activation is Microsoft Product Activation (MPA).






29. An LCD display that uses a DB-15 connector - which means that it accepts analog signals that it converts to digital.






30. A strap designed to discharge static electricity from your body. One end attaches to the wrist - whereas the other end attaches to a grounded object.






31. A cable medium that transmits light pulses rather than electrical signals - so it is not susceptible to electromagnetic interference (EMI).






32. Aka Rambus Dynamic RAM.






33. 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.






34. An Advanced Options menu choice that simply causes Windows to restart normally (if it can).






35. A device used with a laptop. The port replicator remains on the desktop with external devices connected to ports on it. A laptop then needs only one connection to the port replicator to have access to the peripherals.






36. An optical semiconductor used in small projectors and in rear-projection televisions.






37. The portion of the chipset that controls communications between the CPU and system RAM.






38. A communications system - owned and operated by the telephone companies - that multiplexes voice and data signals onto digital transmission line.






39. Used to represent the luminance signal in S-Video.






40. Aka low-voltage differential signaling (LVDS).






41. The digital versatile disc (DVD) encoding format used for data storage.






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






43. The filename for the System Configuration Utility - which allows you to test various scenarios for Windows startup for troubleshooting purposes.






44. A command-line command - installed with the TCP/IP protocol suite - which provides statistical information about the TCP/IP protocols and network connections involving your computer - depending on the switches you use when you enter the command.






45. A handheld device used to measure electrical resistance - voltage - and/or current.






46. A DVI mode that supports both analog and digital video signals.






47. Digital versatile disc (DVD) discs that can be written to - but data cannot be overwritten. This standard is newer than DVD-R. This term also refers to the drives that can write to these discs.






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






49. Light waves in the infrared spectrum.






50. The act of moving through a neighborhood in a vehicle or on foot - using either a laptop equipped with Wi-Fi wireless network capability or a simple Wi-Fi sensor available for a few dollars from many sources. War drivers are searching for open hotspo







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