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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 DDR DIMM?
Network communications
DB-25
CMOS
184

2. What does ECC stand for?
200
VGA/SVGA monitor
DB-15
Error Correction Code.

3. What does SIMM stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS
CMOS

4. How many pins is a SODIMM DDR2 DIMM?
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.
200
5.25

5. Number of Pins for Drives: 4. FDD
Network communications
Random Access Memory (RAM)
34
Line Grid Array

6. What does CRT stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
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.
Cathode Ray Tube

7. An example of a device that uses a low-density (two-row) male DB-15 connector.
Input
Very brief time (milliseconds) of too little voltage
Joystick
CMOS

8. RAID stands for _________.
DB-15
Pin Grid Array
Redundant Array of Independant (Inexpensive) Disks.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

9. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
B-9 serial
removable chips on the motherboard
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.

10. What do the type types of Hard Drive acronyms stand for?
Output
Coaxial
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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

11. What is a Sag?
DB-25
Output
Random Access Memory (RAM)
Very brief time (milliseconds) of too little voltage

12. How many pins is a DDR2 DIMM?
144
PS/2-style mouse
9
240

13. What is a Blackout?
Power failure
Serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RJ-11

14. LGA stands for ______.
Line Grid Array
Network communications
1024 x 786
RJ-45

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

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16. 10Base-2 Ethernet uses this cable.
1024 x 786
800 x 600
40 or 80
Coaxial

17. What does ECC do?
240
charged coupled device (CCD)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
detects and fixes corrupt data in RAM.

18. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Input
240
Serial

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
3
BIOS
CMOS
Coaxial

20. 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.
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.
Networking and Communications
BIOS
ECC

21. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
Radial Lines
Cache

22. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Error Correction Code.
Front Side Bus.
Small Outline DIMM
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.

23. What does LCD stand for?
Liquid Crystal Display
144
240
Cache

24. Spike
Very Brief time (milliseconds) of too much voltage
CMOS
Too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

25. Parallel devices connect to this connector.
DB-25
Cache
verifying data integrity.
200

26. Before sending a power supply to the recycling facility...
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
BIOS
Network communications

27. CPUs: What is RISC?
PCIe - PCI - AGP - ESIA - and ISA
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
Radial Lines

28. An example of a device that uses a high-density (three-row) DB-15 connector.
Small Outline DIMM
TRS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
VGA/SVGA monitor

29. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
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.
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.
Power failure

30. What are the two types of RAM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1600 x 1200
DB-25

31. An example of a device that uses a TRS connector.
tasks or 'Threads'
200
Speaker
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.

32. What is VRAM used for?
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.

33. Level two cache is located on _______.
DB-15
9-pin serial
the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.

34. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Speaker
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Very brief time (milliseconds) of too little voltage

35. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA
Line Grid Array

36. The BIOS is stored on the _______ chip that is on the motherboard.
Coaxial
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.

37. QXGA is ____x____
2048 x 1536
Complex -Instruction - Set - Chips - Used in General Purpose PCs
TRS
Cache

38. An area of memory that holds recently-accessed data.
Cache
1024 x 786
CMOS
9-pin serial

39. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
PS/2-style mouse
CMOS
Storage
40 or 80

40. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Serial
800 x 600
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

41. An example of a device that uses a 6-pin Mini-DIN connector.
3
RJ-45
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
PS/2-style mouse

42. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
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.
184
DB-25 parallel

43. ZIF stands for ______.
charged coupled device (CCD)
184
Error Correction Code.
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.

44. SVGA is ____ x_____
Volatile
Speaker
2048 x 1536
800 x 600

45. A temporary data storage location that can be read from and written to.
Very Brief time (milliseconds) of too much voltage
Random Access Memory (RAM)
800 x 600
order Boot sequence - Integrated devices - drive controllers - power supply settings

46. 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
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage

47. XGA is ____x_____
Speaker
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786
CMOS

48. Internal modem or telephone
Firmware
RJ-11
Cathode Ray Tube
Complex -Instruction - Set - Chips - Used in General Purpose PCs

49. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
Serial
Standardization
Software
240

50. PGA stands for
ATX - BTX - Micro ATX - ITX - NLX - and LPX
BIOS
CMOS
Pin Grid Array