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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. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Componentization
9-pin serial
Processing
CMOS

2. PGA stands for
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Componentization
Pin Grid Array
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.

3. RAID 5 has at least ___ hard drives.
removable chips on the motherboard
3
DB-25
BIOS

4. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80
200

5. Serial ports have this many pins.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Too much voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9

6. How many pins is a DDR DIMM?
184
Software
RJ-11
CMOS

7. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Input
1024 x 786
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS

8. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
detects and fixes corrupt data in RAM.
40 or 80
Serial
4

9. LGA stands for ______.
Software
the CPU
PS/2-style mouse
Line Grid Array

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

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11. Number of Pins for Drives: 3. SATA
BIOS
PCIe - PCI - AGP - ESIA - and ISA
7 or 15 (powered)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

12. An example of firmware.
DB-15
Too much voltage
BIOS
Power failure

13. How many pins is a SODIMM DDR2 DIMM?
40 or 80
Too much voltage
200
144

14. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Front Side Bus.
Speaker
charged coupled device (CCD)
DB-25 parallel

15. What does ECC stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
200
DB-25

16. What do the type types of Hard Drive acronyms stand for?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cache

17. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Joystick
DB-25
Serial

18. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
2048 x 1536
240

19. SDRAM sands for _______.
Output
RJ-11
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

20. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
TRS
240
RJ-11
Storage

21. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Complex -Instruction - Set - Chips - Used in General Purpose PCs
200
verifying data integrity.
40 or 80

22. The BIOS is stored on the _______ chip that is on the motherboard.
Networking and Communications
Liquid Crystal Display
Componentization
CMOS

23. QXGA is ____x____
Output
2048 x 1536
7 or 15 (powered)
1024 x 786

24. An example of a device that uses a TRS connector.
Speaker
Error Correction Code.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output

25. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25
Networking and Communications

26. Parity is used in some _____________ - hard drives - and RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Network communications
Radial Lines

27. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Networking and Communications
Software
PCIe - PCI - AGP - ESIA - and ISA
the CPU

28. What are the two types of RAM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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
TRS

29. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
CMOS
VGA/SVGA monitor
Hardware

30. What is a Blackout?
Power failure
the CPU
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

31. How many pins is a SODIMM DDR DIMM?
144
Cache
Serial
9

32. RAID stands for _________.
144
Redundant Array of Independant (Inexpensive) Disks.
PCIe - PCI - AGP - ESIA - and ISA
1024 x 786

33. 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.
Componentization
removable chips on the motherboard
Networking and Communications
BIOS

34. SVGA is ____ x_____
800 x 600
Error Correction Code.
Power failure
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.

35. 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.
Radial Lines
Coaxial
Pin Grid Array

36. Level one cache is located on ___________.
the CPU
CMOS
Random Access Memory (RAM)
Radial Lines

37. Parallel devices connect to this connector.
Networking and Communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25
1024 x 786

38. 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.
PS/2-style mouse
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Standardization
DB-25 parallel

39. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240

40. level three cache is located on _________.
DB-25 parallel
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
removable chips on the motherboard

41. What does CRT stand for?
Coaxial
40 or 80
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cathode Ray Tube

42. External modems most commonly connect to this port.
Too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Serial
Very brief time (milliseconds) of too little voltage

43. An area of memory that holds recently-accessed data.
Error Correction Code.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Componentization
Cache

44. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
RJ-11
Network communications
Radial Lines
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

45. How many pins is a DDR3 DIMM?
Very brief time (milliseconds) of too little voltage
240
Too little voltage
Output

46. What are the 4 main types of storage?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache

47. Level two cache is located on _______.
50 - 68 - or 80
Firmware
BIOS
the motherboard

48. An example of a device that uses a low-density (two-row) male DB-15 connector.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Processing
50 - 68 - or 80
Joystick

49. Surge
Too much voltage
34
Cache
Software

50. XGA is ____x_____
50 - 68 - or 80
DB-15
Too little voltage
1024 x 786