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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. PGA stands for
1024 x 786
BIOS
verifying data integrity.
Pin Grid Array

2. Parity is used in some _____________ - hard drives - and RAM.
Software
Network communications
RJ-11
BIOS

3. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Redundant Array of Independant (Inexpensive) Disks.
detects and fixes corrupt data in RAM.
BIOS

4. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
the motherboard
800 x 600
DB-25

5. Level one cache is located on ___________.
184
the CPU
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)

6. Serial ports have this many pins.
Small Outline DIMM
Componentization
9
order Boot sequence - Integrated devices - drive controllers - power supply settings

7. 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.
34
Line Grid Array
Standardization
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

8. What does SODIMM stand for?
DB-25
DB-25 parallel
34
Small Outline DIMM

9. What does ECC stand for?
1600 x 1200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the CPU
Error Correction Code.

10. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Input
the CPU
Networking and Communications

11. UXGA is _____x_____
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
1600 x 1200
VGA/SVGA monitor

12. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
VGA/SVGA monitor
Front Side Bus.

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
CMOS
4
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Error Correction Code.

14. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Too much voltage
VGA/SVGA monitor
Firmware
charged coupled device (CCD)

15. What is Virtual RAM?
184
Firewire 6-pin
Error Correction Code.
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.

16. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
the motherboard
Radial Lines
Processing
50 - 68 - or 80

17. 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
Cache
VGA/SVGA monitor
Hardware

18. Parallel devices connect to this connector.
40 or 80
4
DB-25
Too little voltage

19. External modems most commonly connect to this port.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Serial

20. An example of a device that uses a 6-pin Mini-DIN connector.
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.
PS/2-style mouse
CMOS
Radial Lines

21. LGA stands for ______.
Line Grid Array
Small Outline DIMM
Power failure
verifying data integrity.

22. CPUs: What is RISC?
1600 x 1200
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
verifying data integrity.

23. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Output
PS/2-style mouse
charged coupled device (CCD)

24. Level two cache is located on _______.
184
the motherboard
Speaker
9

25. An area of memory that holds recently-accessed data.
DB-25 parallel
DB-15
Cache
the CPU

26. Number of Pins for Drives: 3. SATA
Very brief time (milliseconds) of too little voltage
Serial
7 or 15 (powered)
Very Brief time (milliseconds) of too much voltage

27. An example of a device that uses a low-density (two-row) male DB-15 connector.
Radial Lines
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very brief time (milliseconds) of too little voltage
Joystick

28. Before sending a power supply to the recycling facility...
DB-25 parallel
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.
CMOS
Software

29. What do the type types of Hard Drive acronyms stand for?
Processing
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cathode Ray Tube
7 or 15 (powered)

30. XGA is ____x_____
BIOS
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.
Network communications
1024 x 786

31. 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.
Processing
Firmware
DB-15
B-9 serial

32. What is a Blackout?
Speaker
Power failure
Very brief time (milliseconds) of too little voltage
144

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

34. What is the formal name of the 'headphone jack'?
CMOS
Network communications
Input
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

35. What does ECC do?
Coaxial
USB Type A
detects and fixes corrupt data in RAM.
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.

36. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
DB-25
Network communications
ECC
Firewire 6-pin

37. Internal modem or telephone
RJ-11
Joystick
BIOS
4

38. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
9-pin serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage
Front Side Bus.

39. Number of Pins for Drives: 2. SCSI
Firmware
50 - 68 - or 80
2048 x 1536
Speaker

40. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
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.
Front Side Bus.
Output
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ECC
Volatile
Speaker

42. How many pins is a DDR3 DIMM?
Cache
Redundant Array of Independant (Inexpensive) Disks.
240
800 x 600

43. SVGA is ____ x_____
800 x 600
DB-25 parallel
ECC
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

44. 10Base-2 Ethernet uses this cable.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial
9
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.

45. How many pins is a SODIMM DDR2 DIMM?
200
Random Access Memory (RAM)
RJ-45
9-pin serial

46. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Cache
CMOS
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.
Too much voltage

47. Printers
USB Type A
9
DB-25 parallel
Network communications

48. A temporary data storage location that can be read from and written to.
charged coupled device (CCD)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Random Access Memory (RAM)
Input

49. How many pins is a MICRODIMM DIMM?
144
240
Hardware
Firmware

50. How many pins is a DDR2 DIMM?
Random Access Memory (RAM)
40 or 80
240
Input