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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. How many pins is a SODIMM DDR DIMM?
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.
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Coaxial

2. 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.
Networking and Communications
240
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.
Componentization

3. An example of a device that uses a low-density (two-row) male DB-15 connector.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Joystick
Serial
CMOS

4. What is a Sag?
184
Pin Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Very brief time (milliseconds) of too little voltage

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

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6. LGA stands for ______.
Firmware
3
Too much voltage
Line Grid Array

7. SCSI code is set by a 4 things - what are they?
TRS
DB-25 parallel
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

8. Parallel devices connect to this connector.
RJ-45
DB-15
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.

9. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
5.25
USB Type A
Output
DB-25

10. SVGA is ____ x_____
2048 x 1536
800 x 600
1024 x 786
Liquid Crystal Display

11. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
detects and fixes corrupt data in RAM.
removable chips on the motherboard
Processing

12. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
Single Inline Memory Module - has 30 or 72 contacts on only one side.

13. What are the 4 main types of storage?
the CPU
VGA/SVGA monitor
Error Correction Code.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

14. How many pins is a DDR2 DIMM?
40 or 80
Output
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.
240

15. Serial mouse or external modem
Redundant Array of Independant (Inexpensive) Disks.
Error Correction Code.
CMOS
B-9 serial

16. Parity is used in some _____________ - hard drives - and RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Network communications
order Boot sequence - Integrated devices - drive controllers - power supply settings
charged coupled device (CCD)

17. What does ECC stand for?
Liquid Crystal Display
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very Brief time (milliseconds) of too much voltage
Error Correction Code.

18. 10Base-5 Ethernet and game ports use this cable
DB-15
Very Brief time (milliseconds) of too much voltage
PS/2-style mouse
the CPU

19. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
PS/2-style mouse
3
200
Storage

20. 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)
Software
800 x 600
Too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

21. ZIF stands for ______.
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.
800 x 600
240
removable chips on the motherboard

22. UXGA is _____x_____
CMOS
Standardization
Pin Grid Array
1600 x 1200

23. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Input
Cache
Software
Hardware

24. RAID stands for _________.
USB Type A
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Redundant Array of Independant (Inexpensive) Disks.

25. An example of a device that uses a high-density (three-row) DB-15 connector.
9-pin serial
VGA/SVGA monitor
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
50 - 68 - or 80

26. What does SODIMM stand for?
Processing
ECC
Small Outline 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.

27. An example of a device that uses a TRS connector.
CMOS
Speaker
Volatile
USB Type A

28. What does SIMM stand for?
1024 x 786
Componentization
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.

29. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DB-25 parallel
Firmware
7 or 15 (powered)
240

30. An area of memory that holds recently-accessed data.
DB-15
Cache
240
Radial Lines

31. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Input
1024 x 786
Line Grid Array

32. What does ECC do?
4
detects and fixes corrupt data in RAM.
Speaker
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

33. PGA stands for
Pin Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
VGA/SVGA monitor
ECC

34. What do the type types of Hard Drive acronyms stand for?
Output
Firewire 6-pin
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firmware

35. Ethernet network
the CPU
4
Random Access Memory (RAM)
RJ-45

36. CPUS: What is CISC?
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
detects and fixes corrupt data in RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

37. An example of firmware.
144
BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output

38. How many pins is a SODIMM DDR2 DIMM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
200
4
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

39. QXGA is ____x____
verifying data integrity.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
2048 x 1536
tasks or 'Threads'

40. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
4
RJ-45

41. What does CRT stand for?
Firewire 6-pin
Cathode Ray Tube
DB-15
Software

42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Very brief time (milliseconds) of too little voltage
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Single Inline Memory Module - has 30 or 72 contacts on only one side.

43. What are the two types of RAM?
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

44. A serial mouse connects to a computer with this connector.
Firmware
9-pin serial
Line Grid Array
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

45. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Storage
Power failure
RJ-11

46. A type of memory that loses data when the power is no longer supplied to the component.
Joystick
Cache
Volatile
DB-25

47. Level two cache is located on _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
the motherboard
4
PCIe - PCI - AGP - ESIA - and ISA

48. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Output
Too much voltage
7 or 15 (powered)

49. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Firmware
CMOS
1600 x 1200
Joystick

50. 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.
RJ-11
DB-15
Joystick
9-pin serial