Could You Pass This Hardest CompTIA A+ Essentials Test?

23 Questions | Total Attempts: 724

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A Plus Essential Quizzes & Trivia

This is the best practice test ever for CompTIA A+ Essentials. Are you really a computer geek? Do you really possess full-fledged technical knowledge when it comes to Software or Hardware? If yes, then prove yourself by attempting this quiz and assess yourself where you stand. All the best! Try to score more.


Questions and Answers
  • 1. 
    Which of the following are SCSI types that allow for 16 devices, including the adapter, to be connected on a single shared cable? (Choose two)
    • A. 

      Ultra Wide SCSI

    • B. 

      Fast SCSI

    • C. 

      Ultra SCSI

    • D. 

      Fast Wide SCSI

    • E. 

      Ultra 2 SCSI

  • 2. 
    Which of the following is the SCSI ID number generally recommended for the CD-ROM?
    • A. 

      ID 0

    • B. 

      ID 5

    • C. 

      ID 2

    • D. 

      ID 3

  • 3. 
    What do you call the part of the CD-ROM drive's head assembly that moves across the disk to read it?
    • A. 

      Read/Write Actuator.

    • B. 

      The Mechanical Frame.

    • C. 

      The Head Actuator.

    • D. 

      The Disk Spindle.

  • 4. 
    Which of the following BEST describes the difference between the "baby" AT and ATX motherboards?
    • A. 

      The "baby" AT motherboard allows for the installation of more than two full-length expansion cards whereas the ATX motherboard allows for only one or two.

    • B. 

      The processor, memory, and expansion slots are all in line with each other on a "baby" AT motherboard, whereas the ATX motherboard has the processor and memory slots at the right angles to the expansion cards.

    • C. 

      The ATX motherboard allows for the installation of more than two full-length expansion cards, whereas the "baby" AT allows for only one or two.

    • D. 

      The "baby" AT motherboard has a 20-pin power connector while the ATX has a 12-pin power connector.

  • 5. 
    What is the clock speed of the AGPx8 expansion slot?
    • A. 

      66 MHz

    • B. 

      133 MHz

    • C. 

      266 MHz

    • D. 

      533 MHz

  • 6. 
    Which of the following components on the motherboard usually house the IDE conectors?
    • A. 

      PCI bus.

    • B. 

      North Bridge.

    • C. 

      ISA bus.

    • D. 

      South Bridge.

  • 7. 
    When a technician upgrades firmware on a motherboard he has to _____.
    • A. 

      Flash the BIOS.

    • B. 

      Replace the CMOS chip.

    • C. 

      Replace the BIOS.

    • D. 

      Reset the CMOS.

  • 8. 
    In which of the following is the output from a power supply rated?
    • A. 

      Voltage.

    • B. 

      Watts.

    • C. 

      Hertz.

    • D. 

      Ohms.

  • 9. 
    When connecting the power cable of an AT power supply to the motherboard, which two wires on the power connectors (P8/P9) should be together?
    • A. 

      The green wires.

    • B. 

      The white wires.

    • C. 

      The black wires.

    • D. 

      The brown wires.

  • 10. 
    • A. 

      Socket 423

    • B. 

      Socket 462

    • C. 

      Socket 478

    • D. 

      Socket 754

    • E. 

      Socket A

  • 11. 
    How can HyperThreading be disabled on a 2.8 Pentium 4 system?
    • A. 

      Disable HyperThreading in the system BIOS.

    • B. 

      Disable HyperThreading in the Device Manager.

    • C. 

      Disable HyperThreading on the motherboard.

    • D. 

      A Pentium 2.8 GHz CPU does not support HyperThreading.

  • 12. 
    The new company trainee technician wants to know which memory module types are a specialization of the DDR SDRAM and Synchronous Graphics RAM (SGRAM). How will you reply?
    • A. 

      EDO DRAM

    • B. 

      VRAM

    • C. 

      Standard (FPM) DRAM

    • D. 

      SGRAM

  • 13. 
    Which of the following RAM modules required 8 ns DRAM chips and was capable of operating at 125 MHz?
    • A. 

      PC66

    • B. 

      PC100

    • C. 

      PC133

    • D. 

      PC800

  • 14. 
    Which two of the following describes the number of pins normally associated with Dual Inline Memory Modules (DIMMs)? (Select TWO.)
    • A. 

      30

    • B. 

      72

    • C. 

      144

    • D. 

      168

    • E. 

      184

  • 15. 
    Which of the following memory modules must be installed in pairs?
    • A. 

      72-pin SIMMs

    • B. 

      168-pin DIMMs

    • C. 

      184-pin DIMMs

    • D. 

      184-pin RIMMs

  • 16. 
    What is the bandwidth supported by a RIMM module?
    • A. 

      8-bits

    • B. 

      16-bits

    • C. 

      32-bits

    • D. 

      64-bits

  • 17. 
    From the following display types takes up the least space on a desk?
    • A. 

      Terminal

    • B. 

      LCD

    • C. 

      CRT

    • D. 

      LED

  • 18. 
    After completing the installation of your internal and external SCSI devices that connect to an Adaptec AHA-1542s SCSI adapter, you find that none of the devices works. Which of the following should you do first to try and fix the problem?
    • A. 

      Disconnect all devices and start over.

    • B. 

      Remove the adapter and replace with a new one.

    • C. 

      Change the SCSI IDs.

    • D. 

      Enable termination on the adapter.

  • 19. 
    Which of the following computer standards supports a data transfer rate of 400 Mbps and up to 63 devices?
    • A. 

      USB 1.1

    • B. 

      USB 2.0

    • C. 

      IEEE 1394

    • D. 

      Ultra SCSI 2

  • 20. 
    Which of the following is the Color-Code used for the keyboard Port on a new PC that uses mini-DIN 6 connectors?
    • A. 

      Pink

    • B. 

      Blue

    • C. 

      Green

    • D. 

      Purple

  • 21. 
    Which of the following connectors are used for serial ports? (Select all that apply.)
    • A. 

      A female DB-9

    • B. 

      A male DB-25

    • C. 

      A female DB-15

    • D. 

      A male DB-9

    • E. 

      A female DB-25

  • 22. 
    A female DB-25 connector is commonly used for which of the following applications?
    • A. 

      A parallel cable

    • B. 

      A SCSI connector

    • C. 

      A parallel port.

    • D. 

      An EGA/CGA video port.

    • E. 

      A VGA/SVGA video adapter.

  • 23. 
    The new company trainee technician wants to know which of the following could be used for connecting a mouse to the computer. How will you reply? (Select THREE.)
    • A. 

      6-pin MINI-DIN connector plug.

    • B. 

      DIN-5 connector plug.

    • C. 

      DB-9-to-25-pin adapter.

    • D. 

      DIN-9 connector plug.