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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. An example of a device that uses a 6-pin Mini-DIN connector.
DB-25
200
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.
PS/2-style mouse

2. Number of Pins for Drives: 3. SATA
1024 x 786
7 or 15 (powered)
4
B-9 serial

3. What is Virtual RAM?
Hardware
Small Outline DIMM
Componentization
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.

4. Parity is used in some _____________ - hard drives - and RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Random Access Memory (RAM)
DB-15
Network communications

5. Serial mouse or external modem
Processing
B-9 serial
Pin Grid Array
Random Access Memory (RAM)

6. What are the 6 form factors of motherboards?
Software
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80
Serial

7. What do the type types of Hard Drive acronyms stand for?
1600 x 1200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

8. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
RJ-11
Line Grid Array
Hardware
40 or 80

9. QXGA is ____x____
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.
2048 x 1536
4
Redundant Array of Independant (Inexpensive) Disks.

10. Level two cache is located on _______.
the motherboard
Input
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS

11. LGA stands for ______.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
Processing

12. A type of memory that loses data when the power is no longer supplied to the component.
50 - 68 - or 80
Volatile
144
800 x 600

13. What does SIMM stand for?
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
50 - 68 - or 80
Software

14. RAID 5 has at least ___ hard drives.
Volatile
3
RJ-11
CMOS

15. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
RJ-45
40 or 80
USB Type A

16. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Error Correction Code.
Volatile
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

17. Spike
BIOS
Firewire 6-pin
Very Brief time (milliseconds) of too much voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

18. Level one cache is located on ___________.
USB Type A
PCIe - PCI - AGP - ESIA - and ISA
the CPU
144

19. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Redundant Array of Independant (Inexpensive) Disks.
PCIe - PCI - AGP - ESIA - and ISA
7 or 15 (powered)
Complex -Instruction - Set - Chips - Used in General Purpose PCs

20. The BIOS is stored on the _______ chip that is on the motherboard.
Firewire 6-pin
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25
CMOS

21. Surge
USB Type A
PS/2-style mouse
DB-25
Too much voltage

22. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
3
Radial Lines
Liquid Crystal Display

23. What does ECC do?
detects and fixes corrupt data in RAM.
ECC
DB-15
removable chips on the motherboard

24. Before sending a power supply to the recycling facility...
Pin Grid Array
Joystick
Firewire 6-pin
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.

25. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
144
Single Inline Memory Module - has 30 or 72 contacts on only one side.
200

26. 10Base-5 Ethernet and game ports use this cable
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Standardization
50 - 68 - or 80
DB-15

27. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
charged coupled device (CCD)
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.
DB-15
CMOS

28. SVGA is ____ x_____
Volatile
Radial Lines
800 x 600
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.

29. How many pins is a MICRODIMM DIMM?
40 or 80
DB-15
144
Power failure

30. What does RIMM stand for?
RJ-11
removable chips on the motherboard
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

31. Multiple core allow the PC to simultaneously process multiple ______.

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32. How many pins is a SODIMM DDR2 DIMM?
240
Random Access Memory (RAM)
200
detects and fixes corrupt data in RAM.

33. What is a Sag?
ECC
Joystick
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage

34. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
240
Random Access Memory (RAM)

35. What are the two types of RAM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Random Access Memory (RAM)

36. RAID stands for _________.
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.
Redundant Array of Independant (Inexpensive) Disks.
2048 x 1536
Input

37. Number of Pins for Drives: 2. SCSI
DB-25
50 - 68 - or 80
B-9 serial
DB-15

38. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
TRS
5.25

39. What does SODIMM stand for?
DB-25
Joystick
Small Outline DIMM
tasks or 'Threads'

40. 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.
Joystick
verifying data integrity.
Cathode Ray Tube
Random Access Memory (RAM)

41. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
detects and fixes corrupt data in RAM.
CMOS
PCIe - PCI - AGP - ESIA - and ISA
DB-25

42. What is a Brownout?
184
B-9 serial
7 or 15 (powered)
Too little voltage

43. 10Base-2 Ethernet uses this cable.
RJ-45
Coaxial
DB-25
240

44. Networking is a specialized form of input and output that entails using media (cable) and devices (routers - switches) to link multiple computers into an interconnected unit.
Networking and Communications
TRS
Volatile
184

45. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
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.
DB-15
Very brief time (milliseconds) of too little voltage
Processing

46. What is the formal name of the 'headphone jack'?
DB-25
Very brief time (milliseconds) of too little voltage
PCIe - PCI - AGP - ESIA - and ISA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

47. What does LCD stand for?
200
3
Cache
Liquid Crystal Display

48. Internal modem or telephone
Too much voltage
40 or 80
Processing
RJ-11

49. ZIF stands for ______.
tasks or 'Threads'
Speaker
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.

50. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
34
tasks or 'Threads'
Hardware