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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 firmware.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
BIOS
Random Access Memory (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.

2. Parity is used in some _____________ - hard drives - and RAM.
PS/2-style mouse
verifying data integrity.
Network communications
Componentization

3. 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)
detects and fixes corrupt data in RAM.
Speaker
Software
9-pin serial

4. What are the two types of RAM?
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs
B-9 serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

5. An example of a device that uses a 6-pin Mini-DIN connector.
4
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse
CMOS

6. QXGA is ____x____
Storage
200
BIOS
2048 x 1536

7. What do the type types of Hard Drive acronyms stand for?
USB Type A
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
charged coupled device (CCD)

8. What is VRAM used for?
Output
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Too much voltage
Standardization

9. What is a Blackout?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Power failure
BIOS
9-pin serial

10. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
TRS
Small Outline DIMM
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

11. Ethernet network
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-45
Joystick
Firewire 6-pin

12. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Line Grid Array
5.25
Redundant Array of Independant (Inexpensive) Disks.
200

13. What are the 6 form factors of motherboards?
verifying data integrity.
USB Type A
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.

14. An example of a device that uses a high-density (three-row) DB-15 connector.
240
Coaxial
DB-15
VGA/SVGA monitor

15. How many pins is a SODIMM DDR2 DIMM?
Hardware
200
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

16. Number of Pins for Drives: 4. FDD
Serial
240
144
34

17. Number of Pins for Drives: 3. SATA
Line Grid Array
7 or 15 (powered)
DB-15
Componentization

18. An example of a device that uses a TRS connector.
CMOS
Speaker
9
DB-25 parallel

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Output
Cache
BIOS
2048 x 1536

20. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Networking and Communications
PCIe - PCI - AGP - ESIA - and ISA
BIOS

21. A serial mouse connects to a computer with this connector.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
9-pin serial

22. External modems most commonly connect to this port.
Serial
CMOS
ECC
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

23. 10Base-5 Ethernet and game ports use this cable
Small Outline DIMM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
detects and fixes corrupt data in RAM.
DB-15

24. An area of memory that holds recently-accessed data.
Joystick
PCIe - PCI - AGP - ESIA - and ISA
800 x 600
Cache

25. How many pins is a DDR2 DIMM?
removable chips on the motherboard
CMOS
Componentization
240

26. An example of a device that uses a low-density (two-row) male DB-15 connector.
Speaker
RJ-11
Joystick
Processing

27. LGA stands for ______.
Line Grid Array
Redundant Array of Independant (Inexpensive) Disks.
4
Very Brief time (milliseconds) of too much voltage

28. level three cache is located on _________.
Processing
removable chips on the motherboard
VGA/SVGA monitor
800 x 600

29. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Output
Input
9
ECC

30. What does SODIMM stand for?
Power failure
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Small Outline DIMM
240

31. A working PC is a combination of many different parts - also called a Field-Replaceable Unit (FRU) - can be replaced when faulty or upgraded to provide additional functionality.
DB-15
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

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

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33. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Front Side Bus.
ECC
Output
Redundant Array of Independant (Inexpensive) Disks.

34. A temporary data storage location that can be read from and written to.
Cathode Ray Tube
Random Access Memory (RAM)
800 x 600
ATX - BTX - Micro ATX - ITX - NLX - and LPX

35. SCSI code is set by a 4 things - what are they?
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
4

36. What does SIMM stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
removable chips on the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.
USB Type A

37. 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.
Too much voltage
Error Correction Code.
Networking and Communications

38. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
DB-25 parallel
Firewire 6-pin
Very brief time (milliseconds) of too little voltage
Coaxial

39. What does ECC do?
50 - 68 - or 80
9-pin serial
detects and fixes corrupt data in RAM.
34

40. RAID stands 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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Redundant Array of Independant (Inexpensive) Disks.
Error Correction Code.

41. 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
Hardware
50 - 68 - or 80
BIOS

42. Parallel devices connect to this connector.
Firewire 6-pin
ECC
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-25

43. SDRAM sands for _______.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15

44. What is Virtual RAM?
Software
Power failure
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.
Networking and Communications

45. How many pins is a SODIMM DDR DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Joystick
50 - 68 - or 80
144

46. What is DVD-RAM? and how is it used?

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47. CPUs: What is RISC?
B-9 serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
184
Too little voltage

48. What is the formal name of the 'headphone jack'?
40 or 80
Serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Hardware

49. PGA stands for
DB-25 parallel
the CPU
Pin Grid Array
DB-15

50. Printers
Radial Lines
DB-25 parallel
1024 x 786
144