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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 does ECC stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Processing
verifying data integrity.
Error Correction Code.

2. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
240
200
PCIe - PCI - AGP - ESIA - and ISA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

3. Spike
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
TRS
Liquid Crystal Display

4. 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.
144
RJ-11
Componentization
Redundant Array of Independant (Inexpensive) Disks.

5. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Coaxial
detects and fixes corrupt data in RAM.
Front Side Bus.
3

6. What are the 4 main types of storage?
Componentization
Volatile
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
50 - 68 - or 80

7. An example of a device that uses a low-density (two-row) male DB-15 connector.
the CPU
Joystick
Liquid Crystal Display
Radial Lines

8. Before sending a power supply to the recycling facility...
Hardware
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.
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

9. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
ECC
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.
TRS
DB-25

10. UXGA is _____x_____
Small Outline DIMM
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1600 x 1200

11. level three cache is located on _________.
Power failure
removable chips on the motherboard
9
Firewire 6-pin

12. ZIF stands for ______.
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
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.

13. Parallel devices connect to this connector.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Random Access Memory (RAM)
DB-25
CMOS

14. An example of a device that uses a 6-pin Mini-DIN connector.
verifying data integrity.
PS/2-style mouse
Firmware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
BIOS
1024 x 786
Processing
USB Type A

16. Number of Pins for Drives: 3. SATA
5.25
800 x 600
7 or 15 (powered)
50 - 68 - or 80

17. Serial ports have this many pins.
charged coupled device (CCD)
40 or 80
9
Very brief time (milliseconds) of too little voltage

18. Level two cache is located on _______.
7 or 15 (powered)
Coaxial
the motherboard
Componentization

19. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Networking and Communications

20. 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.
50 - 68 - or 80
Firewire 6-pin
DB-15
verifying data integrity.

21. An example of a device that uses a high-density (three-row) DB-15 connector.
RJ-11
RJ-45
VGA/SVGA monitor
USB Type A

22. What does RIMM stand for?
40 or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
PS/2-style mouse
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

23. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
184
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Standardization

24. CPUS: What is CISC?
1024 x 786
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-11
Complex -Instruction - Set - Chips - Used in General Purpose PCs

25. What are the 6 form factors of motherboards?
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.
BIOS

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
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX
charged coupled device (CCD)

27. Number of Pins for Drives: 4. FDD
Network communications
7 or 15 (powered)
tasks or 'Threads'
34

28. How many pins is a DDR3 DIMM?
1600 x 1200
240
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Output

29. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage
removable chips on the motherboard

30. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Radial Lines
144
40 or 80
240

31. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Error Correction Code.
DB-15
Input
Output

32. The BIOS is stored on the _______ chip that is on the motherboard.
50 - 68 - or 80
1024 x 786
CMOS
CMOS

33. PGA stands for
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.
Pin Grid Array
Joystick

34. What are the two types of RAM?
Very Brief time (milliseconds) of too much voltage
Too little voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45

35. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Too little voltage
5.25
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

36. How many pins is a DDR2 DIMM?
4
800 x 600
240
Too little voltage

37. QXGA is ____x____
2048 x 1536
184
Network communications
1600 x 1200

38. Ethernet network
RJ-45
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Firmware

39. What is the formal name of the 'headphone jack'?
200
PCIe - PCI - AGP - ESIA - and ISA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
order Boot sequence - Integrated devices - drive controllers - power supply settings

40. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Componentization
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Output
Hardware

41. RAID 5 has at least ___ hard drives.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Output
3
40 or 80

42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
DB-25 parallel
Radial Lines
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

43. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too much voltage

44. A serial mouse connects to a computer with this connector.
Input
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9-pin serial

45. LGA stands for ______.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144
Line Grid Array

46. 10Base-5 Ethernet and game ports use this cable
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-15
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

47. What is a Sag?
Output
Cathode Ray Tube
2048 x 1536
Very brief time (milliseconds) of too little voltage

48. Serial mouse or external modem
7 or 15 (powered)
B-9 serial
Input
Line Grid Array

49. What does LCD stand for?
Liquid Crystal Display
1024 x 786
40 or 80
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

50. What is Virtual RAM?
Redundant Array of Independant (Inexpensive) Disks.
3
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.
9-pin serial