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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. A type of memory that loses data when the power is no longer supplied to the component.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Volatile
ECC
240

2. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Line Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC
Power failure

3. An example of a device that uses a high-density (three-row) DB-15 connector.
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.
Front Side Bus.
VGA/SVGA monitor

4. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
BIOS
Liquid Crystal Display
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

5. Parallel devices connect to this connector.
Processing
Random Access Memory (RAM)
Front Side Bus.
DB-25

6. What does CRT stand for?
Cathode Ray Tube
CMOS
Networking and Communications
the CPU

7. How many pins is a DDR DIMM?
240
184
144
DB-25

8. The BIOS is stored on the _______ chip that is on the motherboard.
Storage
CMOS
Hardware
Line Grid Array

9. An area of memory that holds recently-accessed data.
Cache
Serial
Random Access Memory (RAM)
Very Brief time (milliseconds) of too much voltage

10. 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.
charged coupled device (CCD)
Componentization
Coaxial
Complex -Instruction - Set - Chips - Used in General Purpose PCs

11. 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.
Cache
Redundant Array of Independant (Inexpensive) Disks.
Standardization
Coaxial

12. A serial mouse connects to a computer with this connector.
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial

13. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Very brief time (milliseconds) of too little voltage
5.25
Pin Grid Array

14. 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)
Networking and Communications
144
VGA/SVGA monitor

15. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1024 x 786
Storage
240

16. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-25
40 or 80
B-9 serial
240

17. PGA stands for
Pin Grid Array
Too much voltage
144
Too little voltage

18. What do the type types of Hard Drive acronyms stand for?
Software
Componentization
40 or 80
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

19. Spike
Cache
Standardization
Very Brief time (milliseconds) of too much voltage
Too much voltage

20. How many pins is a DDR2 DIMM?
240
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
Standardization

21. QXGA is ____x____
Front Side Bus.
removable chips on the motherboard
2048 x 1536
BIOS

22. RAID stands for _________.
Power failure
Radial Lines
Redundant Array of Independant (Inexpensive) Disks.
Serial

23. LGA stands for ______.
144
DB-25
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Line Grid Array

24. Ethernet network
800 x 600
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
RJ-45

25. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
Front Side Bus.
Liquid Crystal Display
DB-15
DB-25 parallel

26. An example of firmware.
RJ-11
PCIe - PCI - AGP - ESIA - and ISA
BIOS
DB-25

27. How many pins is a SODIMM DDR2 DIMM?
charged coupled device (CCD)
the CPU
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
200

28. What is Virtual RAM?
240
Speaker
Processing
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.

29. What does ECC do?
3
detects and fixes corrupt data in RAM.
Power failure
Radial Lines

30. 10Base-5 Ethernet and game ports use this cable
charged coupled device (CCD)
Too little voltage
DB-15
BIOS

31. RAID 5 has at least ___ hard drives.
3
RJ-11
1600 x 1200
Serial

32. BIOS allows you to do 4 things - what are they?
Networking and Communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
order Boot sequence - Integrated devices - drive controllers - power supply settings

33. Parity is used in some _____________ - hard drives - and RAM.
BIOS
Network communications
verifying data integrity.
Cache

34. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
34
Power failure

35. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
B-9 serial
removable chips on the motherboard
Cathode Ray Tube
5.25

36. SDRAM sands for _______.
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Input
the CPU

37. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Pin Grid Array
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.
BIOS
144

38. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Hardware
detects and fixes corrupt data in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

39. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Hardware
1024 x 786

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

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41. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
50 - 68 - or 80
Pin Grid Array
Serial
Firewire 6-pin

42. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
50 - 68 - or 80
144
B-9 serial
Output

43. Internal modem or telephone
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA
RJ-11

44. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
184
Too much voltage
Processing
40 or 80

45. Serial mouse or external modem
9
Power failure
Firewire 6-pin
B-9 serial

46. How many pins is a SODIMM DDR DIMM?
144
Networking and Communications
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

47. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very brief time (milliseconds) of too little voltage
Line Grid Array
Volatile

48. What does LCD stand for?
144
Liquid Crystal Display
Componentization
Power failure

49. Printers
DB-25 parallel
DB-15
Error Correction Code.
Very brief time (milliseconds) of too little voltage

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
removable chips on the motherboard
DB-25 parallel
1024 x 786
Input