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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. Level one cache is located on ___________.
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.
Pin Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the CPU

2. SVGA is ____ x_____
VGA/SVGA monitor
800 x 600
the CPU
PS/2-style mouse

3. SDRAM sands for _______.
removable chips on the motherboard
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

4. What is the formal name of the 'headphone jack'?
CMOS
Storage
verifying data integrity.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

5. 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.
Input
Front Side Bus.
1024 x 786
Componentization

6. 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.
removable chips on the motherboard
Firewire 6-pin
B-9 serial

7. A type of memory that loses data when the power is no longer supplied to the component.
DB-25 parallel
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Volatile
Input

8. Number of Pins for Drives: 3. SATA
240
Liquid Crystal Display
RJ-11
7 or 15 (powered)

9. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
184
4
ECC

10. What does LCD stand for?
Liquid Crystal Display
Hardware
144
Speaker

11. level three cache is located on _________.
9
removable chips on the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.

12. An area of memory that holds recently-accessed data.
tasks or 'Threads'
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cache
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.

13. What is a Sag?
PS/2-style mouse
Processing
Very brief time (milliseconds) of too little voltage
charged coupled device (CCD)

14. 10Base-5 Ethernet and game ports use this cable
PCIe - PCI - AGP - ESIA - and ISA
Network communications
RJ-11
DB-15

15. What does SODIMM stand for?
Small Outline DIMM
charged coupled device (CCD)
Standardization
DB-15

16. CPUS: What is CISC?
Networking and Communications
9
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs

17. An example of a device that uses a TRS connector.
Serial
USB Type A
Software
Speaker

18. What are the 4 main types of storage?
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache
charged coupled device (CCD)

19. Level two cache is located on _______.
1024 x 786
9
the motherboard
Too much voltage

20. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
TRS
the CPU
800 x 600

21. 10Base-2 Ethernet uses this cable.
200
charged coupled device (CCD)
Coaxial
Volatile

22. 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.
144
BIOS
PCIe - PCI - AGP - ESIA - and ISA
Networking and Communications

23. UXGA is _____x_____
Hardware
Cache
BIOS
1600 x 1200

24. PGA stands for
Pin Grid Array
Very brief time (milliseconds) of too little voltage
Small Outline DIMM
Standardization

25. BIOS allows you to do 4 things - what are they?
B-9 serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
order Boot sequence - Integrated devices - drive controllers - power supply settings
1024 x 786

26. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144

27. Number of Pins for Drives: 2. SCSI
184
50 - 68 - or 80
Storage
USB Type A

28. QXGA is ____x____
detects and fixes corrupt data in RAM.
VGA/SVGA monitor
Network communications
2048 x 1536

29. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
USB Type A
Too much voltage

30. What do the type types of Hard Drive acronyms stand for?
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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.

31. What is a Blackout?
Power failure
Output
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firewire 6-pin

32. Serial ports have this many pins.
9
the motherboard
Radial Lines
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

33. An example of a device that uses a 6-pin Mini-DIN connector.
Firmware
detects and fixes corrupt data in RAM.
50 - 68 - or 80
PS/2-style mouse

34. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Firewire 6-pin
DB-15
USB Type A
200

35. Serial mouse or external modem
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial
800 x 600

36. An example of firmware.
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
50 - 68 - or 80
BIOS

37. Number of Pins for Drives: 4. FDD
PS/2-style mouse
34
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

38. What are the two types of RAM?
184
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45
Pin Grid Array

39. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
40 or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
TRS
B-9 serial

40. How many pins is a DDR3 DIMM?
TRS
240
Firewire 6-pin
7 or 15 (powered)

41. How many pins is a DDR2 DIMM?
144
Random Access Memory (RAM)
240
RJ-45

42. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Hardware
CMOS
Processing
order Boot sequence - Integrated devices - drive controllers - power supply settings

43. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Hardware
Cache
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Input

44. Spike
Very Brief time (milliseconds) of too much voltage
Processing
240
BIOS

45. What does ECC do?
detects and fixes corrupt data in RAM.
B-9 serial
Hardware
Complex -Instruction - Set - Chips - Used in General Purpose PCs

46. What does ECC stand for?
Pin Grid Array
Error Correction Code.
240
detects and fixes corrupt data in RAM.

47. Parallel devices connect to this connector.
Componentization
Liquid Crystal Display
Storage
DB-25

48. 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.
Input
Processing
Firmware
Standardization

49. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
9
Storage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

50. A serial mouse connects to a computer with this connector.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-45
144
9-pin serial