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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. What are the 4 main types of storage?
Storage
Software
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
TRS

2. Internal modem or telephone
RJ-11
the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
5.25

3. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
Front Side Bus.
5.25
Firmware

4. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Componentization
4
the motherboard
Software

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

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6. An example of a device that uses a TRS connector.
Pin Grid Array
Output
RJ-45
Speaker

7. An area of memory that holds recently-accessed data.
Serial
Cache
Coaxial
Volatile

8. What does ECC do?
34
detects and fixes corrupt data in RAM.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144

9. What are the two types of RAM?
Front Side Bus.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
removable chips on the motherboard

10. 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.
Coaxial
Networking and Communications
PS/2-style mouse
CMOS

11. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
B-9 serial
BIOS
Firewire 6-pin
240

12. How many pins is a DDR2 DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
240

13. Ethernet network
Output
RJ-45
Power failure
Joystick

14. What does CRT stand for?
USB Type A
1024 x 786
Cathode Ray Tube
Too little voltage

15. Surge
Output
Very brief time (milliseconds) of too little voltage
Too much voltage
DB-15

16. Level two cache is located on _______.
the motherboard
PS/2-style mouse
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.
Liquid Crystal Display

17. Number of Pins for Drives: 4. FDD
2048 x 1536
34
Volatile
Random Access Memory (RAM)

18. What does LCD stand for?
removable chips on the motherboard
Liquid Crystal Display
RJ-11
BIOS

19. Serial ports have this many pins.
9
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Power failure
ATX - BTX - Micro ATX - ITX - NLX - and LPX

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Volatile
Serial
CMOS
PS/2-style mouse

21. 10Base-2 Ethernet uses this cable.
3
the motherboard
Firmware
Coaxial

22. A serial mouse connects to a computer with this connector.
VGA/SVGA monitor
9-pin serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Coaxial

23. What do the type types of Hard Drive acronyms stand for?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
7 or 15 (powered)

24. RAID 5 has at least ___ hard drives.
3
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial
1600 x 1200

25. What does ECC stand for?
Error Correction Code.
Pin Grid Array
CMOS
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.

26. 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.
Standardization
B-9 serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Cathode Ray Tube

27. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
144
charged coupled device (CCD)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. Parallel devices connect to this connector.
USB Type A
DB-25
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

29. XGA is ____x_____
200
PCIe - PCI - AGP - ESIA - and ISA
1024 x 786
RJ-11

30. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
40 or 80
ECC

31. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
BIOS
Front Side Bus.
tasks or 'Threads'

32. BIOS allows you to do 4 things - what are they?
Pin Grid Array
BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS

33. The BIOS is stored on the _______ chip that is on the motherboard.
Networking and Communications
5.25
CMOS
Joystick

34. SVGA is ____ x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
800 x 600
184
144

35. What is a Sag?
Very brief time (milliseconds) of too little voltage
charged coupled device (CCD)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

36. What does RIMM stand for?
Volatile
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

37. UXGA is _____x_____
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1600 x 1200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
2048 x 1536

38. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Too little voltage
DB-15
Random Access Memory (RAM)

39. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
order Boot sequence - Integrated devices - drive controllers - power supply settings

40. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
VGA/SVGA monitor
Network communications
TRS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

41. An example of a device that uses a low-density (two-row) male DB-15 connector.
Radial Lines
RJ-11
Joystick
Hardware

42. Parity is used in some _____________ - hard drives - and RAM.
Too much voltage
Networking and Communications
the CPU
Network communications

43. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Firmware
3
1600 x 1200

44. LGA stands for ______.
Radial Lines
Power failure
the CPU
Line Grid Array

45. What does SODIMM stand for?
CMOS
Small Outline DIMM
Very brief time (milliseconds) of too little voltage
DB-25

46. Number of Pins for Drives: 3. SATA
50 - 68 - or 80
7 or 15 (powered)
DB-15
Small Outline DIMM

47. 10Base-5 Ethernet and game ports use this cable
Componentization
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
USB Type A

48. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Software
Joystick
BIOS
Front Side Bus.

49. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Storage
Input
the CPU
Random Access Memory (RAM)

50. An example of firmware.
CMOS
Liquid Crystal Display
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.