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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. Number of Pins for Drives: 3. SATA
RJ-11
DB-25 parallel
7 or 15 (powered)
2048 x 1536

2. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firewire 6-pin
Line Grid Array
Too little voltage

3. What does SODIMM stand for?
Speaker
Small Outline DIMM
Liquid Crystal Display
DB-15

4. An example of a device that uses a 6-pin Mini-DIN connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse
Joystick
USB Type A

5. How many pins is a MICRODIMM DIMM?
Network communications
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
USB Type A

6. 10Base-5 Ethernet and game ports use this cable
RJ-45
DB-15
184
240

7. What does ECC stand for?
Processing
Error Correction Code.
200
DB-25 parallel

8. What does LCD stand for?
PS/2-style mouse
240
Liquid Crystal Display
200

9. How many pins is a SODIMM DDR2 DIMM?
Radial Lines
RJ-11
200
Single Inline Memory Module - has 30 or 72 contacts on only one side.

10. BIOS allows you to do 4 things - what are they?
Too much voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
Random Access Memory (RAM)
144

11. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Pin Grid Array
Radial Lines
DB-15
PS/2-style mouse

12. Spike
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-15
Very Brief time (milliseconds) of too much voltage
240

13. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Random Access Memory (RAM)
Very Brief time (milliseconds) of too much voltage
Network communications
Firmware

14. SVGA is ____ x_____
200
Joystick
TRS
800 x 600

15. Surge
240
Too much voltage
Network communications
Processing

16. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
PS/2-style mouse
3
Radial Lines

17. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
1024 x 786
Software
Output

18. A type of memory that loses data when the power is no longer supplied to the component.
RJ-11
ECC
Volatile
240

19. ZIF stands for ______.
BIOS
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.
VGA/SVGA monitor
Standardization

20. Level one cache is located on ___________.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-15
the CPU
VGA/SVGA monitor

21. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS
5.25
ECC

22. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
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.
detects and fixes corrupt data in RAM.
5.25
VGA/SVGA monitor

23. 10Base-2 Ethernet uses this cable.
Networking and Communications
Coaxial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.

24. Printers
Pin Grid Array
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DB-25 parallel
240

25. PGA stands for
TRS
RJ-11
Pin Grid Array
the CPU

26. SDRAM sands for _______.
VGA/SVGA monitor
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Software

27. level three cache is located on _________.
removable chips on the motherboard
RJ-45
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
the CPU

28. Serial mouse or external modem
B-9 serial
verifying data integrity.
Joystick
Very Brief time (milliseconds) of too much voltage

29. CPUS: What is CISC?
Standardization
Random Access Memory (RAM)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

30. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
Redundant Array of Independant (Inexpensive) Disks.
verifying data integrity.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing

31. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
240
4
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

32. RAID stands for _________.
Network communications
the motherboard
Firmware
Redundant Array of Independant (Inexpensive) Disks.

33. How many pins is a DDR DIMM?
B-9 serial
1024 x 786
PCIe - PCI - AGP - ESIA - and ISA
184

34. What is the formal name of the 'headphone jack'?
RJ-11
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

35. What does CRT stand for?
Software
TRS
Cathode Ray Tube
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.

36. XGA is ____x_____
1024 x 786
9
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
verifying data integrity.

37. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Speaker
Storage
verifying data integrity.
CMOS

38. 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.
Standardization
Very brief time (milliseconds) of too little voltage
Small Outline DIMM
DB-15

39. Level two cache is located on _______.
7 or 15 (powered)
the CPU
the motherboard
Firewire 6-pin

40. UXGA is _____x_____
TRS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1600 x 1200
USB Type A

41. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
RJ-45
Volatile
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

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

43. What is a Brownout?
200
Too little voltage
Storage
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.

44. How many pins is a DDR3 DIMM?
Cathode Ray Tube
240
removable chips on the motherboard
Redundant Array of Independant (Inexpensive) Disks.

45. An example of firmware.
DB-25
1024 x 786
detects and fixes corrupt data in RAM.
BIOS

46. 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
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
detects and fixes corrupt data in RAM.

47. Before sending a power supply to the recycling facility...
DB-25 parallel
B-9 serial
Error Correction Code.
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.

48. An area of memory that holds recently-accessed data.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Cache
5.25
ATX - BTX - Micro ATX - ITX - NLX - and LPX

49. A serial mouse connects to a computer with this connector.
Error Correction Code.
7 or 15 (powered)
9-pin serial
9

50. How many pins is a SODIMM DDR DIMM?
DB-25
B-9 serial
144
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack