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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. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Random Access Memory (RAM)
Small Outline DIMM
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

2. QXGA is ____x____
DB-15
2048 x 1536
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
the motherboard

3. Before sending a power supply to the recycling facility...
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.
Liquid Crystal Display
240
144

4. How many pins is a SODIMM DDR DIMM?
Storage
Too little voltage
40 or 80
144

5. CPUS: What is CISC?
Coaxial
Firewire 6-pin
Very brief time (milliseconds) of too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs

6. 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.
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.
Cache
Software
Componentization

7. An example of firmware.
800 x 600
2048 x 1536
BIOS
Storage

8. level three cache is located on _________.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
9
removable chips on the motherboard
240

9. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firewire 6-pin

10. 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.
DB-15
Storage
Firewire 6-pin
5.25

11. What does ECC stand for?
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Error Correction Code.
Power failure

12. How many pins is a DDR2 DIMM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Speaker
3
240

13. What is the formal name of the 'headphone jack'?
Firmware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Redundant Array of Independant (Inexpensive) Disks.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

14. How many pins is a DDR DIMM?
184
Firmware
240
USB Type A

15. ZIF stands for ______.
DB-25
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.
3
Software

16. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
DB-15
USB Type A
ATX - BTX - Micro ATX - ITX - NLX - and LPX

17. Parity is used in some _____________ - hard drives - and RAM.
Network communications
50 - 68 - or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array

18. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Input
Hardware
Standardization

19. SVGA is ____ x_____
DB-15
Line Grid Array
DB-15
800 x 600

20. What are the two types of RAM?
Componentization
Volatile
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

21. BIOS allows you to do 4 things - what are they?
Very brief time (milliseconds) of too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
2048 x 1536
Very Brief time (milliseconds) of too much voltage

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

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23. What does RIMM stand for?
PS/2-style mouse
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

24. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
RJ-11
the CPU
Componentization

25. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Too much voltage
Firewire 6-pin
Cathode Ray Tube
Firmware

26. How many pins is a SODIMM DDR2 DIMM?
9-pin serial
Coaxial
Processing
200

27. How many pins is a DDR3 DIMM?
240
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA
DB-15

28. What are the 6 form factors of motherboards?
Cathode Ray Tube
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very brief time (milliseconds) of too little voltage
Volatile

29. Serial ports have this many pins.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Storage
9
tasks or 'Threads'

30. What is a Blackout?
Volatile
Power failure
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
7 or 15 (powered)

31. 10Base-5 Ethernet and game ports use this cable
Radial Lines
DB-15
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
1024 x 786

32. How many pins is a MICRODIMM DIMM?
Too much voltage
Speaker
Small Outline DIMM
144

33. Number of Pins for Drives: 3. SATA
the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings
7 or 15 (powered)
Output

34. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Joystick
Componentization
Input
Error Correction Code.

35. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
9-pin serial
40 or 80
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX

36. Internal modem or telephone
RJ-11
200
detects and fixes corrupt data in RAM.
Pin Grid Array

37. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Joystick
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
verifying data integrity.
Processing

38. XGA is ____x_____
charged coupled device (CCD)
1024 x 786
Joystick
Cache

39. Ethernet network
Hardware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

40. 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.
184
Standardization
Processing
USB Type A

41. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-15
4

42. What does LCD stand for?
USB Type A
240
Liquid Crystal Display
removable chips on the motherboard

43. UXGA is _____x_____
BIOS
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
Standardization

44. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
verifying data integrity.
240
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.

45. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
184
Storage
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.

46. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Line Grid Array
5.25
removable chips on the motherboard
9-pin serial

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube
BIOS
9

48. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Standardization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
TRS
Front Side Bus.

49. Spike
7 or 15 (powered)
Very Brief time (milliseconds) of too much voltage
1600 x 1200
5.25

50. An example of a device that uses a TRS connector.
Cache
Speaker
Too little voltage
1024 x 786