CompTIA A+ Essentials Objective 1.0 Personal Computer Components

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A Plus Essential Quizzes & Trivia

This quiz has been made to see whether you are completely prepared for the real exam. This practice test will help you pass by familiarizing you with the material and the ensuring that you know the structure of the CompTIA+ Essentials Hardware and Networking test. The practice test is designed to reflect the final exam. So, let's try out this hardest quiz. All the best!


Questions and Answers
  • 1. 
    What does SSP stand for?
    • A. 

      Standard Serial Port

    • B. 

      Superior Serial port

    • C. 

      Super Standard Port

    • D. 

      Serial Standard Port

    • E. 

      Standard Socket Port

  • 2. 
    What does ESP stand for?
    • A. 

      Equal Standard Port

    • B. 

      Extra Standard Port

    • C. 

      Enhanced Serial Port

    • D. 

      Enhanced Standard Port

    • E. 

      Extra Serial Port

  • 3. 
    What does UART stand for?
    • A. 

      Universal Asynchronous Receiver Transport

    • B. 

      Uniform Asynchronous Receiver Transmitter

    • C. 

      Universal Asynchronous Receiver Transmitter

    • D. 

      Uniform Asymmetric Receiver Transmitter

    • E. 

      Uniform Asynchronous Receiver Transmitter

  • 4. 
    What is Flowcontrol?
    • A. 

      The possibility of a device to keep transmitting data to another device, so the data doesn't have to be converted to parallel data.

    • B. 

      Transmitting data while running other applications.

    • C. 

      A modem setting which you can activate in windows.

    • D. 

      The flow of data on a parallel port.

    • E. 

      The possibility of a device to ask another device to stop transmitting data for a while.

  • 5. 
    Which commands are being used with flowcontrol?
    • A. 

      CTS, DTR, DSR

    • B. 

      RTS, CTS, DTR, DSR

    • C. 

      CTS, RTS, DSR

    • D. 

      RTS, CTS, DSR, DTR, ATDP

    • E. 

      ATDT, ATDP, RTS, CTS

  • 6. 
    What is the maximum transfer rate of a SSP?
    • A. 

      100 Kbps

    • B. 

      50-100 Kbps

    • C. 

      200 Kbps

    • D. 

      115 Kbps

    • E. 

      112 Kbps

  • 7. 
    What is the maximum transfer rate of a ESP?
    • A. 

      460 Kbps

    • B. 

      480 Kbps

    • C. 

      450 Kbps

    • D. 

      640 Kbps

    • E. 

      680 Kbps

  • 8. 
    Which connector is being used for a serial port?
    • A. 

      9-pins female DB, 25-pins female DB

    • B. 

      9-pins male DB, 25-pins male DB

    • C. 

      15-pins female DB, 9-pins female DB

    • D. 

      9-pins male DB, 25-pins female DB

    • E. 

      15-pins male DB, 9-pins male DB

  • 9. 
    What does the UART chip do?
    • A. 

      Converts analog data to digital data and digital data to analog data.

    • B. 

      Converts parallel data to serial data and serial data to parallel data.

    • C. 

      Converts parallel data to serial data and analog data to digital data.

    • D. 

      Converts serial data to parallel data and digital data to analog data.

    • E. 

      All of the above.

  • 10. 
    Which standard is being used for the serial port?
    • A. 

      RS-323

    • B. 

      IEEE 1284

    • C. 

      IEEE 1394

    • D. 

      SR-232

    • E. 

      RS-232

  • 11. 
    Which ports are part of IEEE 1284?
    • A. 

      SSP and ECP

    • B. 

      EPP and ECP

    • C. 

      ECP and ESP

    • D. 

      SSP and ESP

    • E. 

      ESP and USB

  • 12. 
    Which two versions of USB 1.1 are available? Choose all that apply.
    • A. 

      USB 1.5 Mbps

    • B. 

      USB 480 Mbps

    • C. 

      USB 1.2 Mbps

    • D. 

      USB 15 Mbps

    • E. 

      USB 12 Mbps

  • 13. 
    Which data transfer is used with USB 2.0?
    • A. 

      1.5 Mbps

    • B. 

      480 Mbps

    • C. 

      12 Mbps

    • D. 

      460 Mbps

    • E. 

      450 Mbps

  • 14. 
    How many devices can you attach on to one USB host controller?
    • A. 

      127

    • B. 

      126

    • C. 

      63

    • D. 

      120

    • E. 

      6

  • 15. 
    Can you connect an 1.1 low-speed USB device and full-speed USB device to an USB 2.0 port?
    • A. 

      No, USB 2.0 is not backwards compatible with USB 1.1

    • B. 

      Yes, but you need an adapter.

    • C. 

      No, there is no way you can connect them.

    • D. 

      Yes, but there will be data corruption.

    • E. 

      Yes, USB 2.0 is backwards compatible with USB 1.1

  • 16. 
    Which USB type has the highest transfer rate?
    • A. 

      Super-speed

    • B. 

      Enhanced-speed

    • C. 

      Hi-speed

    • D. 

      Low-speed

    • E. 

      Full-speed

  • 17. 
    You were working with an USB device, but suddenly it doesn't work anymore. What could be the problem?
    • A. 

      USB port is faulty.

    • B. 

      Systemboard is faulty.

    • C. 

      Cable is faulty.

    • D. 

      USB device is faulty.

    • E. 

      Save power checkbox is switched on in device manager.

  • 18. 
    What is an USB powered device?
    • A. 

      An USB device that comes with a power cord and an adapter.

    • B. 

      An USB device that comes with an adapter and a power switch.

    • C. 

      An USB device that uses the USB bus power.

    • D. 

      An USB device that is powered by the powersupply.

    • E. 

      An USB device that is powered by the systemboard.

  • 19. 
    What is an USB bus-powered device?
    • A. 

      A device that uses the power of the front side bus.

    • B. 

      A device that uses the power of the USB bus.

    • C. 

      A device that uses a power cord and an adapter.

    • D. 

      A device that is powered by the PCI-bus.

    • E. 

      A device that uses the system bus.

  • 20. 
    You are installing a new USB device on a system with a lot of other USB devices. After installing one of the devices works intermittently. What could be the problem?
    • A. 

      There's an IRQ problem with other devices.

    • B. 

      Wrong drivers installed.

    • C. 

      The USB device doesn't receive enough power from the USB bus.

    • D. 

      The USB cable isn't correctly plugged in.

    • E. 

      The USB cable is faulty.

  • 21. 
    You bought a new USB device and connected it to the computer with a few other USB devices. But one of the USB devices keeps locking up. What could be the problem?
    • A. 

      The USB device is faulty.

    • B. 

      The USB device doesn't receive enough power from the USB bus.

    • C. 

      Wrong drivers are installed.

    • D. 

      There is an IRQ problem with other devices.

    • E. 

      Not enough memory.

  • 22. 
    You are working with the computer and windows reports an error message: Hub power exceeded. What could be the problem?
    • A. 

      The powersupply is faulty.

    • B. 

      The USB hub is faulty.

    • C. 

      The USB device doesn't receive enough power from the USB bus.

    • D. 

      Your mouse uses too much power.

    • E. 

      The PCI bus uses too much power.

  • 23. 
    What is the maximum cable lenght for an USB device?
    • A. 

      4.5 meters

    • B. 

      100 meters

    • C. 

      30 meters

    • D. 

      5 meters

    • E. 

      20 meters

  • 24. 
    What is the maximum distance between an USB device and a computer?
    • A. 

      30 meters

    • B. 

      20 meters

    • C. 

      100 meters

    • D. 

      50 meters

    • E. 

      200 meters

  • 25. 
    Which connector is used by a parallel port?
    • A. 

      A 25-pins female DB connector

    • B. 

      A 25-pins male DB connector

    • C. 

      A 20-pins female DB connector

    • D. 

      A 20-pins male DB connector

    • E. 

      A 9-pins male DB connector

  • 26. 
    Which port is only used by printers and scanners?
    • A. 

      ESP

    • B. 

      SSP

    • C. 

      SPP

    • D. 

      EPP

    • E. 

      ECP

  • 27. 
    How much data does the parallel port transfer?
    • A. 

      1-byte data chunks

    • B. 

      16-bit data chunks

    • C. 

      32-bit data chunks

    • D. 

      8-bit data chunks

    • E. 

      8-byte data chunks

  • 28. 
    What is the port with the highest transfer rate?
    • A. 

      ECP

    • B. 

      EPP

    • C. 

      ESP

    • D. 

      SSP

    • E. 

      SPP

  • 29. 
    What is the data transfer rate of a SPP?
    • A. 

      2 MBps

    • B. 

      460 KBps

    • C. 

      50-100 KBps

    • D. 

      150 KBps

    • E. 

      2,5 MBps

  • 30. 
    What is the data transfer rate of EPP?
    • A. 

      115 Kbps

    • B. 

      0,5-2 MBps

    • C. 

      2,5 MBps

    • D. 

      460 KBps

    • E. 

      50-100 KBps

  • 31. 
    What is the transfer rate of ECP?
    • A. 

      2,5 MBps

    • B. 

      2 MBps

    • C. 

      12 Mbps

    • D. 

      480 Mbps

    • E. 

      800 Mbps

  • 32. 
    What does SPP stand for?
    • A. 

      Superior Parallel Port

    • B. 

      Super Protocol Port

    • C. 

      Special Parallel Port

    • D. 

      Standard Parallel Port

    • E. 

      Standard Protocol Port

  • 33. 
    What is the difference between HDMI and DVI?
    • A. 

      HDMI is older then DVI and HDMI isn't sold anymore.

    • B. 

      The difference between HDMI and DVI is that HDMI can transfer audio and video through one cable while DVI only transmits video.

    • C. 

      The difference between HDMI and DVI is that DVI can transfer audio and video through one cable while HDMI only transmits video.

    • D. 

      The difference between HDMI and DVI is that HDMI can transfer audio and video through one cable while DVI only transmits audio.

    • E. 

      The difference between HDMI and DVI is that HDMI can transfer 480 Mbps while DVI only transmits 120 Mbps.

  • 34. 
    Which version of DVI supports analog and digital signals?
    • A. 

      DVI-A

    • B. 

      DVI-S

    • C. 

      DVI-E

    • D. 

      DVI-I

    • E. 

      DVI-D

  • 35. 
    What does HDMI stand for?
    • A. 

      High Definition Multimedia Integrated

    • B. 

      High Data Media Interface

    • C. 

      High Definition Music Interface

    • D. 

      High Data Music Interface

    • E. 

      High Definition Multimedia Interface

  • 36. 
    What type of transmission does HDMI use?
    • A. 

      HDMI uses audio only transmission

    • B. 

      HDMI uses video only transmission

    • C. 

      HDMI uses digital transmission

    • D. 

      HDMI uses analog transmission

    • E. 

      HDMI uses parallel transmission

  • 37. 
    What is the total capacity of RAM described in?
    • A. 

      Kilobits

    • B. 

      Megabytes

    • C. 

      Bits

    • D. 

      Bytes

    • E. 

      Megabits

  • 38. 
    What kind of memory module do you need to install in SDRAM slots for a desktop PC?
    • A. 

      168-pin

    • B. 

      200-pin

    • C. 

      172-pin

    • D. 

      184-pin

    • E. 

      214-pin

  • 39. 
    Which MicroDIMM memory modules are available for systems that are using SDRAM? Choose all that apply.
    • A. 

      68-pin MicroDIMM

    • B. 

      168-pin MicroDIMM

    • C. 

      144-pin MicroDIMM

    • D. 

      172-pin MicroDIMM

    • E. 

      200-pin MicroDIMM

  • 40. 
    You are using a systemboard with a 83 MHz FSB and you are installing a PC66 memory module. But now the system wont boot. What could be the problem?
    • A. 

      You need to use a PC83 memory module or higher for a system with a 83 MHz FSB in order to be stable or function correctly.

    • B. 

      The memory module is faulty.

    • C. 

      The memory module is installed in a wrong slot.

    • D. 

      You tried to install a DDR-SDRAM into a SDRAM slot.

    • E. 

      You didn't install the memory module correctly.

  • 41. 
    You installed a PC100 memory module in a system with a 128MB PC83 memory module. But now the system runs at a memory transfer rate of 83MHz. What could be the problem?
    • A. 

      You need to save new CMOS settings first.

    • B. 

      You installed a memory module of a lower speed than the other module and the system automatically runs at a lower speed.

    • C. 

      You need to set the correct speed in CMOS setup utility.

    • D. 

      You need to install the correct drivers.

    • E. 

      The OS doesn't support the higher speed.

  • 42. 
    A PC with a pentium processor and a PC100 memory module is installed. What type of memory is installed?
    • A. 

      EDO-RAM

    • B. 

      DDR2-SDRAM

    • C. 

      RDRAM

    • D. 

      SDRAM

    • E. 

      DDR-SDRAM

  • 43. 
    Which SDRAM modules of the following speeds are available? Choose all that apply.
    • A. 

      PC66

    • B. 

      PC100

    • C. 

      PC75

    • D. 

      PC83

    • E. 

      PC133

  • 44. 
    What do you need to know when buying SDRAM memory modules? Choose all that apply.
    • A. 

      The operating system version.

    • B. 

      The speed of the FSB.

    • C. 

      The available memory module drivers.

    • D. 

      The number of pins on the memory module.

    • E. 

      The memory capacity the systemboard supports.

  • 45. 
    You installed a PC83 memory module in a system with a 100MHz FSB. But the system doesn't boot. What could be the problem?
    • A. 

      You installed a memory module with a speed lower than the FSB. You need to install a memory module with the same speed or higher than the FSB.

    • B. 

      You installed a memory module with a speed higher than the FSB. You need to install a memory module with the same speed or lower than the FSB.

    • C. 

      The memory module you installed is faulty.

    • D. 

      The memory module is installed in a wrong slot.

    • E. 

      You installed DDR-SDRAM module in the SDRAM slot.

  • 46. 
    Which SDRAM SODIMM memory modules are available for laptops? Choose all that apply.
    • A. 

      72-pin

    • B. 

      144-pin

    • C. 

      200-pin

    • D. 

      168-pin

    • E. 

      184-pin

  • 47. 
    What does RDRAM stand for?
    • A. 

      Random Dynamic Rambus Access Memory

    • B. 

      Rambus Dynamic Real Access Memory

    • C. 

      Rambus Dynamic Rate Access Memory

    • D. 

      Rambus Dynamic Random Access Memory

    • E. 

      Real Dynamic Rambus Access Memory

  • 48. 
    You just installed two memory modules in a system with four slots, but the system doesn't boot. What could be the problem?
    • A. 

      You need to change the settings in the CMOS setup utility first.

    • B. 

      You placed the modules in the wrong slots.

    • C. 

      The modules are faulty.

    • D. 

      You need to save the settings from the CMOS first.

    • E. 

      You need to install CRIMM modules in the other two slots to terminate the slots.