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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. 10Base-2 Ethernet uses this cable.
Cache
Coaxial
Input
Network communications

2. What are the 6 form factors of motherboards?
Power failure
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output
PCIe - PCI - AGP - ESIA - and ISA

3. An example of a device that uses a TRS connector.
the motherboard
Speaker
Too much voltage
144

4. level three cache is located on _________.
Network communications
Too little voltage
removable chips on the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

5. Number of Pins for Drives: 2. SCSI
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80
Cathode Ray Tube
Line Grid Array

6. Serial ports have this many pins.
9
BIOS
Firmware
34

7. An example of a device that uses a high-density (three-row) DB-15 connector.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
the motherboard
Cache
VGA/SVGA monitor

8. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
CMOS
240
Radial Lines
34

9. How many pins is a DDR3 DIMM?
RJ-11
40 or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
240

10. 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.
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ECC
Componentization

11. Level two cache is located on _______.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1024 x 786
2048 x 1536
the motherboard

12. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Speaker
USB Type A

13. Surge
Too much voltage
5.25
Storage
RJ-11

14. What do the type types of Hard Drive acronyms stand for?
Firmware
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
the motherboard

15. What does SODIMM stand for?
Small Outline DIMM
CMOS
DB-25 parallel
Input

16. UXGA is _____x_____
240
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Small Outline DIMM

17. What is a Blackout?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Storage
Power failure
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

18. BIOS allows you to do 4 things - what are they?
240
Firewire 6-pin
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.

20. Ethernet network
3
RJ-45
ECC
BIOS

21. Internal modem or telephone
34
RJ-11
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

22. What is the formal name of the 'headphone jack'?
2048 x 1536
184
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-11

23. LGA stands for ______.
Line Grid Array
Cache
BIOS
40 or 80

24. How many pins is a DDR2 DIMM?
240
Hardware
7 or 15 (powered)
removable chips on the motherboard

25. What is a Sag?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage
3
Output

26. What does CRT stand for?
Redundant Array of Independant (Inexpensive) Disks.
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.
Processing
Cathode Ray Tube

27. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Very brief time (milliseconds) of too little voltage
Firmware
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.

28. An area of memory that holds recently-accessed data.
Cache
200
Speaker
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. What are the two types of RAM?
9-pin serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard

30. SCSI code is set by a 4 things - what are they?
the motherboard
CMOS
Very Brief time (milliseconds) of too much voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

31. What is Virtual RAM?
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.
RJ-11
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.
1600 x 1200

32. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
DB-25
PCIe - PCI - AGP - ESIA - and ISA
34

33. A type of memory that loses data when the power is no longer supplied to the component.
9
the CPU
Volatile
2048 x 1536

34. Serial mouse or external modem
1600 x 1200
Radial Lines
DB-15
B-9 serial

35. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
B-9 serial
Hardware
Too little voltage

36. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Coaxial
Small Outline DIMM
verifying data integrity.
CMOS

37. What is a Brownout?
Too little voltage
tasks or 'Threads'
Speaker
Networking and Communications

38. Parity is used in some _____________ - hard drives - and RAM.
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
Network communications
Front Side Bus.

39. Printers
Line Grid Array
Firewire 6-pin
DB-25 parallel
DB-25

40. CPUs: What is RISC?
DB-25
VGA/SVGA monitor
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9-pin serial

41. What does ECC stand for?
removable chips on the motherboard
240
Error Correction Code.
Output

42. A serial mouse connects to a computer with this connector.
Serial
9-pin serial
Cathode Ray Tube
DB-15

43. 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
Too much voltage
removable chips on the motherboard
detects and fixes corrupt data in RAM.

44. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very brief time (milliseconds) of too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

45. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
4
RJ-11
removable chips on the motherboard

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

47. What does SIMM stand for?
800 x 600
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.
DB-25 parallel

48. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Line Grid Array
Liquid Crystal Display
40 or 80
Single Inline Memory Module - has 30 or 72 contacts on only one side.

49. Level one cache is located on ___________.
Processing
the CPU
Software
184

50. External modems most commonly connect to this port.
DB-25 parallel
the CPU
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.