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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. XGA is ____x_____
1024 x 786
Too little voltage
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.
Storage

2. QXGA is ____x____
Firewire 6-pin
PCIe - PCI - AGP - ESIA - and ISA
2048 x 1536
Standardization

3. An example of firmware.
Storage
Joystick
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
BIOS

4. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
7 or 15 (powered)
Storage
Firmware
Error Correction Code.

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.
Componentization
CMOS
Speaker
Complex -Instruction - Set - Chips - Used in General Purpose PCs

6. How many pins is a MICRODIMM DIMM?
144
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
BIOS

7. A serial mouse connects to a computer with this connector.
CMOS
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial
tasks or 'Threads'

8. 10Base-5 Ethernet and game ports use this cable
3
DB-15
Small Outline DIMM
Joystick

9. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
the CPU
144
Error Correction Code.
USB Type A

10. Parity is used in some _____________ - hard drives - and RAM.
DB-25 parallel
Network communications
40 or 80
Pin Grid Array

11. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
Cathode Ray Tube
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
removable chips on the motherboard
Software

12. External modems most commonly connect to this port.
Too much voltage
Random Access Memory (RAM)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Serial

13. Internal modem or telephone
Small Outline DIMM
RJ-11
Speaker
TRS

14. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
34
5.25
the motherboard
Liquid Crystal Display

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Speaker
3
BIOS
1024 x 786

16. Spike
the CPU
Output
BIOS
Very Brief time (milliseconds) of too much voltage

17. What are the two types of RAM?
Cache
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240

18. The BIOS is stored on the _______ chip that is on the motherboard.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Pin Grid Array
CMOS
9-pin serial

19. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Power failure
B-9 serial
CMOS

20. 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.
BIOS
Networking and Communications
Software
Front Side Bus.

21. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Standardization
Very brief time (milliseconds) of too little voltage
144

22. An example of a device that uses a 6-pin Mini-DIN connector.
TRS
PS/2-style mouse
Radial Lines
800 x 600

23. Before sending a power supply to the recycling facility...
Very brief time (milliseconds) of too little voltage
3
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.
4

24. CPUS: What is CISC?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

25. Level two cache is located on _______.
Very brief time (milliseconds) of too little voltage
CMOS
DB-15
the motherboard

26. How many pins is a DDR2 DIMM?
tasks or 'Threads'
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Small Outline DIMM

27. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Single Inline Memory Module - has 30 or 72 contacts on only one side.
40 or 80
1024 x 786
Front Side Bus.

28. RAID stands for _________.
removable chips on the motherboard
4
Redundant Array of Independant (Inexpensive) Disks.
Cache

29. An example of a device that uses a TRS connector.
CMOS
9-pin serial
Speaker
DB-15

30. LGA stands for ______.
RJ-45
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too much voltage

31. Parallel devices connect to this connector.
DB-25
Liquid Crystal Display
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very brief time (milliseconds) of too little voltage

32. What does CRT stand for?
USB Type A
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Line Grid Array

33. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25 parallel
CMOS

34. An example of a device that uses a high-density (three-row) DB-15 connector.
ECC
Power failure
4
VGA/SVGA monitor

35. What does LCD stand for?
DB-15
184
Liquid Crystal Display
Standardization

36. What does ECC do?
Coaxial
B-9 serial
Joystick
detects and fixes corrupt data in RAM.

37. RAID 5 has at least ___ hard drives.
3
184
Output
Error Correction Code.

38. level three cache is located on _________.
removable chips on the motherboard
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Output

39. Serial ports have this many pins.
9
7 or 15 (powered)
Standardization
Firewire 6-pin

40. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Volatile
DB-25
removable chips on the motherboard
Output

41. What do the type types of Hard Drive acronyms stand for?
PCIe - PCI - AGP - ESIA - and ISA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

42. PGA stands for
Pin Grid Array
34
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

43. What are the 4 main types of storage?
BIOS
Speaker
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

44. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
BIOS
the CPU
Coaxial
Radial Lines

45. 10Base-2 Ethernet uses this cable.
Redundant Array of Independant (Inexpensive) Disks.
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.
Error Correction Code.

46. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PCIe - PCI - AGP - ESIA - and ISA

47. How many pins is a DDR DIMM?
Random Access Memory (RAM)
CMOS
184
the CPU

48. What is Virtual RAM?
Cache
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9

49. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
240
Hardware
40 or 80
Too much voltage

50. What is VRAM used for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Network communications
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.