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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. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PS/2-style mouse
PCIe - PCI - AGP - ESIA - and ISA
Complex -Instruction - Set - Chips - Used in General Purpose PCs

2. What is a Blackout?
800 x 600
Radial Lines
Power failure
Liquid Crystal Display

3. PGA stands for
verifying data integrity.
Pin Grid Array
PCIe - PCI - AGP - ESIA - and ISA
tasks or 'Threads'

4. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

5. Parity is used in some _____________ - hard drives - and RAM.
Network communications
CMOS
5.25
Firmware

6. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Hardware
PS/2-style mouse
Line Grid Array

7. How many pins is a SODIMM DDR DIMM?
Very Brief time (milliseconds) of too much voltage
Redundant Array of Independant (Inexpensive) Disks.
144
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

8. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Coaxial
ECC
DB-25
Network communications

9. What does CRT stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Front Side Bus.
Cathode Ray Tube
Standardization

10. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4
Componentization
order Boot sequence - Integrated devices - drive controllers - power supply settings

11. Printers
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
DB-25 parallel
Input

12. An example of a device that uses a low-density (two-row) male DB-15 connector.
Cathode Ray Tube
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
charged coupled device (CCD)
Joystick

13. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
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.
Front Side Bus.
Software

14. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Power failure
144
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

15. What does SODIMM stand for?
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Small Outline DIMM
RJ-11

16. What does ECC do?
detects and fixes corrupt data in RAM.
Firewire 6-pin
Random Access Memory (RAM)
4

17. What does LCD stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Liquid Crystal Display
Very Brief time (milliseconds) of too much voltage
Input

18. Level two cache is located on _______.
240
Hardware
3
the motherboard

19. An area of memory that holds recently-accessed data.
Output
Liquid Crystal Display
Radial Lines
Cache

20. What does SIMM stand for?
the motherboard
800 x 600
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

21. What are the two types of RAM?
184
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firewire 6-pin
7 or 15 (powered)

22. UXGA is _____x_____
1600 x 1200
5.25
PS/2-style mouse
Liquid Crystal Display

23. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Very brief time (milliseconds) of too little voltage
Storage
1024 x 786
Volatile

24. level three cache is located on _________.
9-pin serial
800 x 600
removable chips on the motherboard
Speaker

25. An example of a device that uses a high-density (three-row) DB-15 connector.
Speaker
Processing
VGA/SVGA monitor
7 or 15 (powered)

26. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
TRS
Firewire 6-pin
CMOS
9-pin serial

27. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Cache
Too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. SVGA is ____ x_____
RJ-45
Firmware
Joystick
800 x 600

29. What does ECC stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
5.25
RJ-45

30. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Too much voltage
Componentization
240

31. External modems most commonly connect to this port.
3
Network communications
Power failure
Serial

32. 10Base-5 Ethernet and game ports use this cable
Volatile
USB Type A
DB-15
Output

33. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
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.
VGA/SVGA monitor
Output
Serial

34. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
50 - 68 - or 80
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.

35. An example of a device that uses a TRS connector.
CMOS
tasks or 'Threads'
Speaker
Firewire 6-pin

36. BIOS allows you to do 4 things - what are they?
Cache
USB Type A
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization

37. What is a Sag?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Power failure
Very brief time (milliseconds) of too little voltage
PCIe - PCI - AGP - ESIA - and ISA

38. What is Virtual RAM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
Firewire 6-pin
Front Side Bus.

39. 10Base-2 Ethernet uses this cable.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
VGA/SVGA monitor
Coaxial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

40. LGA stands for ______.
1024 x 786
Line Grid Array
DB-25
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.

41. What is a Brownout?
Power failure
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

42. What are the 4 main types of storage?
ECC
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Networking and Communications
charged coupled device (CCD)

43. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Cathode Ray Tube
5.25
9
144

44. Parallel devices connect to this connector.
Componentization
DB-25
Processing
1024 x 786

45. Before sending a power supply to the recycling facility...
Line Grid Array
9-pin serial
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.
Radial Lines

46. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
the CPU
Radial Lines
Firmware
5.25

47. ZIF stands for ______.
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.

48. 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)
Speaker
Random Access Memory (RAM)
Storage
Software

49. 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.
USB Type A
Componentization
4
34

50. 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
40 or 80
detects and fixes corrupt data in RAM.
800 x 600