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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. Serial mouse or external modem
TRS
PS/2-style mouse
B-9 serial
50 - 68 - or 80

2. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
USB Type A
Radial Lines
Hardware
charged coupled device (CCD)

3. PGA stands for
Line Grid Array
VGA/SVGA monitor
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Pin Grid Array

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

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5. 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.
Network communications
Networking and Communications
Coaxial
Random Access Memory (RAM)

6. Number of Pins for Drives: 4. FDD
34
7 or 15 (powered)
200
Network communications

7. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
removable chips on the motherboard
Hardware
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15

8. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
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.
Error Correction Code.
DB-15

9. What does ECC stand for?
Error Correction Code.
USB Type A
ECC
Networking and Communications

10. An example of firmware.
BIOS
CMOS
Very brief time (milliseconds) of too little voltage
Output

11. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Front Side Bus.
Input
Very Brief time (milliseconds) of too much voltage
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.

12. What does LCD stand for?
Liquid Crystal Display
Small Outline DIMM
Front Side Bus.
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.

13. Parallel devices connect to this connector.
40 or 80
tasks or 'Threads'
DB-25
Storage

14. An area of memory that holds recently-accessed data.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache
removable chips on the motherboard
VGA/SVGA monitor

15. A serial mouse connects to a computer with this connector.
Input
Too little voltage
9-pin serial
Volatile

16. How many pins is a SODIMM DDR DIMM?
184
VGA/SVGA monitor
144
Random Access Memory (RAM)

17. What are the 6 form factors of motherboards?
USB Type A
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240

18. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Output
Liquid Crystal Display
Componentization

19. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
240
Volatile
5.25

20. An example of a device that uses a 6-pin Mini-DIN connector.
Radial Lines
PS/2-style mouse
Power failure
DB-25 parallel

21. Multiple core allow the PC to simultaneously process multiple ______.

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22. Ethernet network
B-9 serial
Standardization
CMOS
RJ-45

23. A type of memory that loses data when the power is no longer supplied to the component.
Very brief time (milliseconds) of too little voltage
Firmware
Volatile
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

24. 10Base-2 Ethernet uses this cable.
BIOS
PCIe - PCI - AGP - ESIA - and ISA
the CPU
Coaxial

25. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Firewire 6-pin
3
Front Side Bus.
Cathode Ray Tube

26. XGA is ____x_____
detects and fixes corrupt data in RAM.
Network communications
1024 x 786
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

27. How many pins is a DDR DIMM?
184
DB-25 parallel
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS

28. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Cathode Ray Tube
Software
USB Type A
Too little voltage

29. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Joystick
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

30. Spike
144
Very Brief time (milliseconds) of too much voltage
Volatile
Single Inline Memory Module - has 30 or 72 contacts on only one side.

31. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Coaxial
40 or 80
Firmware
184

32. What is a Sag?
Very brief time (milliseconds) of too little voltage
144
detects and fixes corrupt data in RAM.
Cache

33. Printers
DB-25 parallel
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.
Speaker
Coaxial

34. Level two cache is located on _______.
the motherboard
CMOS
Input
Single Inline Memory Module - has 30 or 72 contacts on only one side.

35. What is a Brownout?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Too little voltage
Speaker
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

36. How many pins is a SODIMM DDR2 DIMM?
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.
CMOS
200
240

37. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Hardware
VGA/SVGA monitor

38. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Too much voltage

39. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Volatile
PCIe - PCI - AGP - ESIA - and ISA
charged coupled device (CCD)
34

40. CPUs: What is RISC?
Network communications
Line Grid Array
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

41. QXGA is ____x____
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
BIOS
2048 x 1536

42. UXGA is _____x_____
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
Storage

43. What is VRAM used for?
Output
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial
Radial Lines

44. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Software
detects and fixes corrupt data in RAM.
1024 x 786

45. 10Base-5 Ethernet and game ports use this cable
Line Grid Array
Random Access Memory (RAM)
DB-15
Processing

46. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Cache
Pin Grid Array
CMOS
PS/2-style mouse

47. Number of Pins for Drives: 3. SATA
the motherboard
7 or 15 (powered)
CMOS
DB-25

48. What is a Blackout?
4
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144
Power failure

49. SDRAM sands for _______.
Redundant Array of Independant (Inexpensive) Disks.
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

50. What does SIMM stand for?
1600 x 1200
144
Cache
Single Inline Memory Module - has 30 or 72 contacts on only one side.