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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

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. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
4
800 x 600

2. An example of a device that uses a low-density (two-row) male DB-15 connector.
charged coupled device (CCD)
240
Radial Lines
Joystick

3. An example of a device that uses a TRS connector.
Software
Speaker
B-9 serial
ECC

4. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
9-pin serial
Very brief time (milliseconds) of too little voltage
Speaker

5. Surge
Joystick
Too much voltage
Pin Grid Array
144

6. An example of a device that uses a high-density (three-row) DB-15 connector.
the CPU
144
BIOS
VGA/SVGA monitor

7. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
VGA/SVGA monitor
144

8. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Too little voltage
CMOS
184

9. How many pins is a SODIMM DDR DIMM?
DB-15
1024 x 786
144
Power failure

10. Level one cache is located on ___________.
Storage
9
9-pin serial
the CPU

11. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
34
9
200
5.25

12. LGA stands for ______.
Random Access Memory (RAM)
800 x 600
Line Grid Array
Standardization

13. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
VGA/SVGA monitor

14. A temporary data storage location that can be read from and written to.
144
Random Access Memory (RAM)
DB-25 parallel
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.

15. SCSI code is set by a 4 things - what are they?
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Radial Lines
4

16. level three cache is located on _________.
40 or 80
9
removable chips on the motherboard
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

17. 10Base-2 Ethernet uses this cable.
the motherboard
Random Access Memory (RAM)
Coaxial
40 or 80

18. XGA is ____x_____
1024 x 786
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.

19. An area of memory that holds recently-accessed data.
the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache
200

20. UXGA is _____x_____
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Standardization
1600 x 1200
order Boot sequence - Integrated devices - drive controllers - power supply settings

21. What does ECC stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
the CPU
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.
Error Correction Code.

22. SVGA is ____ x_____
tasks or 'Threads'
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PS/2-style mouse
800 x 600

23. RAID 5 has at least ___ hard drives.
Front Side Bus.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
3
Too little voltage

24. Number of Pins for Drives: 4. FDD
Speaker
34
Storage
PCIe - PCI - AGP - ESIA - and ISA

25. Parity is used in some _____________ - hard drives - and RAM.
the CPU
Very Brief time (milliseconds) of too much voltage
CMOS
Network communications

26. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Pin Grid Array
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.
Error Correction Code.

27. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
DB-15
BIOS
the motherboard

28. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
discharge the capacitors by touching and connecting the phase with the ground plug and then the neutral to the ground plug with an insulated screwdriver or pliers.
Software
charged coupled device (CCD)
9

29. Spike
144
Output
Very Brief time (milliseconds) of too much voltage
RJ-11

30. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
Software
Output
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cathode Ray Tube

31. A serial mouse connects to a computer with this connector.
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.
Componentization
Power failure
9-pin serial

32. A type of memory that loses data when the power is no longer supplied to the component.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Coaxial
Firmware
Volatile

33. What does ECC do?
34
detects and fixes corrupt data in RAM.
Hardware
9

34. How many pins is a DDR DIMM?
Serial
144
Joystick
184

35. An example of a device that uses a 6-pin Mini-DIN connector.
Very Brief time (milliseconds) of too much voltage
Pin Grid Array
RJ-11
PS/2-style mouse

36. How many pins is a SODIMM DDR2 DIMM?
200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too much voltage
40 or 80

37. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Storage
Joystick
Random Access Memory (RAM)
USB Type A

38. What is the formal name of the 'headphone jack'?
9
Output
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

39. Parallel devices connect to this connector.
Cathode Ray Tube
DB-25
Pin Grid Array
Single Inline Memory Module - has 30 or 72 contacts on only one side.

40. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Standardization
tasks or 'Threads'
removable chips on the motherboard

41. Number of Pins for Drives: 3. SATA
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
9
7 or 15 (powered)

42. The BIOS is stored on the _______ chip that is on the motherboard.
1024 x 786
VGA/SVGA monitor
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

43. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
DB-25
Error Correction Code.
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA

44. QXGA is ____x____
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Random Access Memory (RAM)
Front Side Bus.
2048 x 1536

45. What are the 6 form factors of motherboards?
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Input
Coaxial

46. Internal modem or telephone
PCIe - PCI - AGP - ESIA - and ISA
9-pin serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
RJ-11

47. Serial mouse or external modem
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
verifying data integrity.
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.
B-9 serial

48. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
Standardization
Liquid Crystal Display
7 or 15 (powered)
Firewire 6-pin

49. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
34
Firewire 6-pin
Front Side Bus.
2048 x 1536

50. What does LCD stand for?
CMOS
Cache
Coaxial
Liquid Crystal Display