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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. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
9-pin serial
the CPU
CMOS
5.25

2. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
BIOS
ECC
Very brief time (milliseconds) of too little voltage
9

3. QXGA is ____x____
Very Brief time (milliseconds) of too much voltage
184
PS/2-style mouse
2048 x 1536

4. Level two cache is located on _______.
800 x 600
1600 x 1200
the motherboard
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.

5. level three cache is located on _________.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
charged coupled device (CCD)
Pin Grid Array
removable chips on the motherboard

6. Before sending a power supply to the recycling facility...
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.
Standardization
CMOS
Firmware

7. What is a Blackout?
Power failure
Complex -Instruction - Set - Chips - Used in General Purpose PCs
7 or 15 (powered)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

8. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Redundant Array of Independant (Inexpensive) Disks.
BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Random Access Memory (RAM)

9. SVGA is ____ x_____
Pin Grid Array
800 x 600
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs

10. A serial mouse connects to a computer with this connector.
Redundant Array of Independant (Inexpensive) Disks.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
9-pin serial
Storage

11. Printers
1024 x 786
DB-25 parallel
Input
PS/2-style mouse

12. SDRAM sands for _______.
144
184
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9

13. What is a Brownout?
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.
9-pin serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too little voltage

14. ZIF stands for ______.
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.
Front Side Bus.
Random Access Memory (RAM)

15. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
RJ-45
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
4
Radial Lines

16. What is Virtual RAM?
9-pin serial
CMOS
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.

17. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Front Side Bus.
TRS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS

18. What does CRT stand for?
Cathode Ray Tube
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firmware
order Boot sequence - Integrated devices - drive controllers - power supply settings

19. An example of a device that uses a TRS connector.
Too little voltage
detects and fixes corrupt data in RAM.
Speaker
2048 x 1536

20. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
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.
Serial
Input
VGA/SVGA monitor

21. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS
Very brief time (milliseconds) of too little voltage
Error Correction Code.

22. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Pin Grid Array
240
Firmware

23. LGA stands for ______.
Line Grid Array
Hardware
9
DB-15

24. What are the 4 main types of storage?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

25. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
verifying data integrity.
tasks or 'Threads'
BIOS
240

26. Number of Pins for Drives: 2. SCSI
Speaker
50 - 68 - or 80
144
TRS

27. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
tasks or 'Threads'
order Boot sequence - Integrated devices - drive controllers - power supply settings
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

28. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
3
9-pin serial
1600 x 1200

29. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
Redundant Array of Independant (Inexpensive) Disks.
7 or 15 (powered)
detects and fixes corrupt data in RAM.

30. Parallel devices connect to this connector.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-25
Output

31. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

32. BIOS allows you to do 4 things - what are they?
Too little voltage
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
Volatile

33. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Very Brief time (milliseconds) of too much voltage
PCIe - PCI - AGP - ESIA - and ISA
800 x 600
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

34. Serial mouse or external modem
Cache
144
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

35. What are the two types of RAM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Error Correction Code.
3

36. 10Base-2 Ethernet uses this cable.
3
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.
Coaxial
Pin Grid Array

37. Ethernet network
RJ-45
Too much voltage
TRS
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.

38. An example of a device that uses a low-density (two-row) male DB-15 connector.
Power failure
Joystick
Error Correction Code.
Liquid Crystal Display

39. What does SODIMM stand for?
Small Outline DIMM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
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.

40. Level one cache is located on ___________.
Processing
ECC
the CPU
Small Outline DIMM

41. External modems most commonly connect to this port.
Input
Liquid Crystal Display
Serial
9

42. What are the 6 form factors of motherboards?
Liquid Crystal Display
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.
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

43. What is a Sag?
Very brief time (milliseconds) of too little voltage
Radial Lines
removable chips on the motherboard
3

44. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Radial Lines
removable chips on the motherboard
CMOS

45. How many pins is a SODIMM DDR DIMM?
144
Radial Lines
Error Correction Code.
the motherboard

46. What does ECC stand for?
800 x 600
the CPU
Error Correction Code.
184

47. What does ECC do?
Firewire 6-pin
200
50 - 68 - or 80
detects and fixes corrupt data in RAM.

48. How many pins is a DDR3 DIMM?
DB-25
240
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.
Very Brief time (milliseconds) of too much voltage

49. What do the type types of Hard Drive acronyms stand for?
detects and fixes corrupt data in RAM.
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS

50. PGA stands for
TRS
50 - 68 - or 80
CMOS
Pin Grid Array