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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. Number of Pins for Drives: 3. SATA
144
7 or 15 (powered)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too little voltage

2. 10Base-2 Ethernet uses this cable.
Network communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Coaxial
CMOS

3. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Storage
the motherboard

4. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
7 or 15 (powered)
Output
Power failure

5. UXGA is _____x_____
1600 x 1200
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.

6. What is VRAM used for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Front Side Bus.

7. SCSI code is set by a 4 things - what are they?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Error Correction Code.
34
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

8. Parity is used in some _____________ - hard drives - and RAM.
3
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Network communications
order Boot sequence - Integrated devices - drive controllers - power supply settings

9. XGA is ____x_____
Front Side Bus.
2048 x 1536
1024 x 786
Power failure

10. BIOS allows you to do 4 things - what are they?
50 - 68 - or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA

11. An area of memory that holds recently-accessed data.
Cache
Liquid Crystal Display
VGA/SVGA monitor
the CPU

12. How many pins is a SODIMM DDR2 DIMM?
CMOS
50 - 68 - or 80
200
1024 x 786

13. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Joystick
VGA/SVGA monitor
TRS
Serial

14. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
CMOS
Liquid Crystal Display
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. How many pins is a DDR2 DIMM?
1024 x 786
240
Network communications
VGA/SVGA monitor

16. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Processing

17. How many pins is a DDR DIMM?
9
184
TRS
VGA/SVGA monitor

18. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Cache
4
Small Outline DIMM
40 or 80

19. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
Standardization
BIOS

20. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.
the motherboard

21. Number of Pins for Drives: 2. SCSI
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cathode Ray Tube
TRS
50 - 68 - or 80

22. PGA stands for
Pin Grid Array
Coaxial
Line Grid Array
200

23. What is a Sag?
Very brief time (milliseconds) of too little voltage
DB-25 parallel
Firmware
Cathode Ray Tube

24. How many pins is a DDR3 DIMM?
Speaker
Pin Grid Array
240
Too much voltage

25. Internal modem or telephone
RJ-45
RJ-11
CMOS
PCIe - PCI - AGP - ESIA - and ISA

26. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
PS/2-style mouse
Front Side Bus.
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.

27. SDRAM sands for _______.
Serial
DB-25 parallel
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Error Correction Code.

28. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Radial Lines
144
Input
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

29. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
BIOS
PCIe - PCI - AGP - ESIA - and ISA
DB-25
Error Correction Code.

30. What are the 4 main types of storage?
Radial Lines
USB Type A
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Line Grid Array

31. What does ECC do?
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.
detects and fixes corrupt data in RAM.
Too little voltage
the motherboard

32. What is Virtual RAM?
Coaxial
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.
Serial
Volatile

33. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
DB-15
144
Software

34. What does ECC stand for?
144
the motherboard
tasks or 'Threads'
Error Correction Code.

35. Parallel devices connect to this connector.
1600 x 1200
50 - 68 - or 80
Network communications
DB-25

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

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37. Number of Pins for Drives: 4. FDD
Liquid Crystal Display
Power failure
34
Cathode Ray Tube

38. How many pins is a MICRODIMM DIMM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization
Power failure
144

39. An example of a device that uses a TRS connector.
Small Outline DIMM
Speaker
Power failure
Networking and Communications

40. What does SODIMM stand for?
Small Outline DIMM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PS/2-style mouse
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

41. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Hardware
charged coupled device (CCD)
Too much voltage

42. What is a Blackout?
5.25
Power failure
Radial Lines
1024 x 786

43. A serial mouse connects to a computer with this connector.
9-pin serial
Software
144
Serial

44. A temporary data storage location that can be read from and written to.
184
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Random Access Memory (RAM)
Network communications

45. Level two cache is located on _______.
Network communications
RJ-45
4
the motherboard

46. 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.
Small Outline DIMM
DB-25 parallel
verifying data integrity.
3

47. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
240
CMOS
Random Access Memory (RAM)

48. level three cache is located on _________.
removable chips on the motherboard
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
DB-15

49. RAID stands for _________.
800 x 600
Redundant Array of Independant (Inexpensive) Disks.
PS/2-style mouse
Networking and Communications

50. Serial ports have this many pins.
BIOS
9
Redundant Array of Independant (Inexpensive) Disks.
ECC