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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 three cache is located on _________.
Standardization
5.25
removable chips on the motherboard
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

2. What are the 6 form factors of motherboards?
Joystick
ATX - BTX - Micro ATX - ITX - NLX - and LPX
tasks or 'Threads'
Speaker

3. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
34
Output
BIOS

4. An example of a device that uses a high-density (three-row) DB-15 connector.
Speaker
PCIe - PCI - AGP - ESIA - and ISA
Processing
VGA/SVGA monitor

5. What does SODIMM stand for?
Line Grid Array
Small Outline DIMM
Hardware
240

6. LGA stands for ______.
Small Outline DIMM
Line Grid Array
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

7. What are the 4 main types of storage?
Random Access Memory (RAM)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs

8. QXGA is ____x____
Random Access Memory (RAM)
2048 x 1536
the motherboard
Firewire 6-pin

9. 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
verifying data integrity.
Coaxial
CMOS

10. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
RJ-11
Small Outline DIMM
tasks or 'Threads'

11. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Front Side Bus.
Redundant Array of Independant (Inexpensive) Disks.
Firmware
detects and fixes corrupt data in RAM.

12. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
DB-25 parallel
50 - 68 - or 80
240

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

14. CPUS: What is CISC?
Componentization
Very brief time (milliseconds) of too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
2048 x 1536

15. Level two cache is located on _______.
the motherboard
Front Side Bus.
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

16. An example of a device that uses a TRS connector.
Speaker
Firmware
Componentization
4

17. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
CMOS
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX

18. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Too little voltage
Joystick
CMOS
VGA/SVGA monitor

19. 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.
charged coupled device (CCD)
Firmware
Networking and Communications
240

20. How many pins is a MICRODIMM DIMM?
tasks or 'Threads'
144
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

21. SDRAM sands for _______.
Error Correction Code.
PCIe - PCI - AGP - ESIA - and ISA
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

22. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Too much voltage
144
Input

23. What is a Sag?
Very Brief time (milliseconds) of too much voltage
Very brief time (milliseconds) of too little voltage
DB-25 parallel
Storage

24. PGA stands for
RJ-45
200
Pin Grid Array
PS/2-style mouse

25. A serial mouse connects to a computer with this connector.
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial
DB-15
Firewire 6-pin

26. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cache
RJ-11

27. Parity is used in some _____________ - hard drives - and RAM.
Output
Network communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

28. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Firewire 6-pin
4

29. RAID 5 has at least ___ hard drives.
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cache
3

30. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Storage
Random Access Memory (RAM)
1024 x 786

31. What does SIMM stand for?
2048 x 1536
PS/2-style mouse
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.

32. 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.
charged coupled device (CCD)
verifying data integrity.
Componentization
Output

33. What is a Blackout?
144
Power failure
Firewire 6-pin
Pin Grid Array

34. UXGA is _____x_____
1600 x 1200
Random Access Memory (RAM)
Front Side Bus.
Firmware

35. How many pins is a SODIMM DDR DIMM?
144
Error Correction Code.
CMOS
Componentization

36. Serial mouse or external modem
3
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ECC
B-9 serial

37. Number of Pins for Drives: 3. SATA
Firmware
7 or 15 (powered)
Serial
4

38. What does CRT stand for?
detects and fixes corrupt data in RAM.
Liquid Crystal Display
Cathode Ray Tube
Too much voltage

39. Parallel devices connect to this connector.
Serial
VGA/SVGA monitor
DB-25
BIOS

40. Before sending a power supply to the recycling facility...
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.
Standardization
Serial
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.

41. Printers
9-pin serial
B-9 serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DB-25 parallel

42. An example of a device that uses a 6-pin Mini-DIN connector.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PS/2-style mouse
removable chips on the motherboard
Pin Grid Array

43. ZIF stands for ______.
Redundant Array of Independant (Inexpensive) Disks.
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.
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.
Cathode Ray Tube

44. What is a Brownout?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Too little voltage
240
Networking and Communications

45. What are the two types of RAM?
Standardization
200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Processing

46. What does ECC stand for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
the motherboard
Error Correction Code.
CMOS

47. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Componentization

48. 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.
DB-15
200
Componentization
Network communications

49. 10Base-5 Ethernet and game ports use this cable
9
240
DB-15
PCIe - PCI - AGP - ESIA - and ISA

50. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Hardware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
TRS
Storage