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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. How many pins is a SODIMM DDR2 DIMM?
200
Storage
Input
Radial Lines

2. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Error Correction Code.
detects and fixes corrupt data in RAM.
Storage
CMOS

3. What is VRAM used for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

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

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5. Level two cache is located on _______.
the motherboard
800 x 600
Output
verifying data integrity.

6. An example of a device that uses a TRS connector.
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.
800 x 600
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Speaker

7. Number of Pins for Drives: 2. SCSI
Front Side Bus.
Storage
Line Grid Array
50 - 68 - or 80

8. How many pins is a MICRODIMM DIMM?
Random Access Memory (RAM)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
BIOS

9. A temporary data storage location that can be read from and written to.
DB-25 parallel
Random Access Memory (RAM)
detects and fixes corrupt data in RAM.
2048 x 1536

10. Internal modem or telephone
Networking and Communications
RJ-11
4
Hardware

11. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25

12. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Network communications
40 or 80
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
800 x 600

13. What does SIMM stand for?
Speaker
2048 x 1536
Single Inline Memory Module - has 30 or 72 contacts on only one side.
charged coupled device (CCD)

14. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
PCIe - PCI - AGP - ESIA - and ISA
5.25
BIOS

15. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
240
1024 x 786
Hardware

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

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17. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
9
CMOS
4
Componentization

18. PGA stands for
CMOS
Cache
Very brief time (milliseconds) of too little voltage
Pin Grid Array

19. A serial mouse connects to a computer with this connector.
TRS
BIOS
the motherboard
9-pin serial

20. What does RIMM stand for?
Random Access Memory (RAM)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Redundant Array of Independant (Inexpensive) Disks.
Power failure

21. How many pins is a DDR3 DIMM?
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.
Standardization
Very brief time (milliseconds) of too little voltage

22. How many pins is a DDR2 DIMM?
Power failure
240
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.
Input

23. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
tasks or 'Threads'
1024 x 786
200

24. RAID 5 has at least ___ hard drives.
3
RJ-11
4
40 or 80

25. Serial ports have this many pins.
Input
9
Storage
240

26. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
BIOS
USB Type A
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
50 - 68 - or 80

27. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DB-15
Componentization
ECC

28. Surge
Too much voltage
Small Outline DIMM
200
184

29. What does SODIMM stand for?
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Small Outline DIMM
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

30. Before sending a power supply to the recycling facility...
Front Side Bus.
the CPU
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.

31. QXGA is ____x____
Very Brief time (milliseconds) of too much voltage
2048 x 1536
Power failure
1024 x 786

32. How many pins is a DDR DIMM?
184
CMOS
the CPU
Output

33. UXGA is _____x_____
Processing
DB-25 parallel
1600 x 1200
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.

34. How many pins is a SODIMM DDR DIMM?
144
Network communications
the CPU
Cathode Ray Tube

35. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Network communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Pin Grid Array

36. External modems most commonly connect to this port.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
34
144
Serial

37. 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
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Power failure
144

38. BIOS allows you to do 4 things - what are they?
240
CMOS
removable chips on the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings

39. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DB-15
Firmware
34
9

40. XGA is ____x_____
1024 x 786
the CPU
200
Firmware

41. Serial mouse or external modem
CMOS
Too little voltage
B-9 serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

42. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15
144
Hardware

43. LGA stands for ______.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
B-9 serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Line Grid Array

44. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
DB-25
charged coupled device (CCD)
RJ-45
B-9 serial

45. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
ECC
DB-15
3
Front Side Bus.

46. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Joystick
Processing
CMOS
the motherboard

47. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Storage
verifying data integrity.
Networking and Communications

48. An example of a device that uses a 6-pin Mini-DIN connector.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
PS/2-style mouse
Networking and Communications
144

49. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Random Access Memory (RAM)
5.25
ECC

50. Ethernet network
removable chips on the motherboard
CMOS
RJ-45
Redundant Array of Independant (Inexpensive) Disks.