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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. A type of memory that loses data when the power is no longer supplied to the component.
40 or 80
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Volatile
144

2. A temporary data storage location that can be read from and written to.
DB-25 parallel
2048 x 1536
Speaker
Random Access Memory (RAM)

3. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Front Side Bus.
Radial Lines
3
CMOS

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

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5. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
RJ-45
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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

6. Surge
Too much voltage
Front Side Bus.
9-pin serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

7. What does ECC do?
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
detects and fixes corrupt data in RAM.
Error Correction Code.

8. What is the formal name of the 'headphone jack'?
Output
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
removable chips on the motherboard
DB-25

9. CPUS: What is CISC?
Very brief time (milliseconds) of too little voltage
184
Cache
Complex -Instruction - Set - Chips - Used in General Purpose PCs

10. Ethernet network
4
RJ-45
Coaxial
Software

11. What does ECC stand for?
Error Correction Code.
DB-15
ECC
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

12. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
B-9 serial
144
Very Brief time (milliseconds) of too much voltage

13. 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)
Componentization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Complex -Instruction - Set - Chips - Used in General Purpose PCs

14. What is Virtual RAM?
Redundant Array of Independant (Inexpensive) Disks.
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.
9-pin serial
Pin Grid Array

15. What are the 6 form factors of motherboards?
order Boot sequence - Integrated devices - drive controllers - power supply settings
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9-pin serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX

16. RAID stands for _________.
144
Very Brief time (milliseconds) of too much voltage
BIOS
Redundant Array of Independant (Inexpensive) Disks.

17. Printers
144
Componentization
DB-25 parallel
Front Side Bus.

18. 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
Front Side Bus.
Too little voltage
1600 x 1200

19. External modems most commonly connect to this port.
Serial
Output
detects and fixes corrupt data in RAM.
Line Grid Array

20. How many pins is a SODIMM DDR DIMM?
Componentization
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Volatile
144

21. What is a Sag?
Very brief time (milliseconds) of too little voltage
B-9 serial
verifying data integrity.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

22. LGA stands for ______.
Small Outline DIMM
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
verifying data integrity.
Line Grid Array

23. PGA stands for
Too much voltage
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Pin Grid Array

24. Parallel devices connect to this connector.
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.
Networking and Communications
Random Access Memory (RAM)

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

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26. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the motherboard
50 - 68 - or 80
ECC

27. 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
Output
Small Outline DIMM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

28. Internal modem or telephone
Firewire 6-pin
RJ-11
removable chips on the motherboard
DB-15

29. RAID 5 has at least ___ hard drives.
Networking and Communications
Storage
Cache
3

30. BIOS allows you to do 4 things - what are they?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

31. SVGA is ____ x_____
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.
Error Correction Code.
800 x 600
5.25

32. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Small Outline DIMM
CMOS
Networking and Communications

33. XGA is ____x_____
Random Access Memory (RAM)
DB-15
Coaxial
1024 x 786

34. An example of firmware.
BIOS
removable chips on the motherboard
Random Access Memory (RAM)
ATX - BTX - Micro ATX - ITX - NLX - and LPX

35. Number of Pins for Drives: 3. SATA
Cache
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
7 or 15 (powered)
Speaker

36. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Hardware
Storage
Power failure

37. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
1600 x 1200
5.25
200
CMOS

38. The BIOS is stored on the _______ chip that is on the motherboard.
1600 x 1200
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
removable chips on the motherboard

39. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
PS/2-style mouse
Coaxial
TRS
3

40. Level one cache is located on ___________.
Network communications
the CPU
PS/2-style mouse
verifying data integrity.

41. How many pins is a DDR3 DIMM?
3
240
Random Access Memory (RAM)
CMOS

42. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
tasks or 'Threads'
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

43. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings
ATX - BTX - Micro ATX - ITX - NLX - and LPX
40 or 80

44. 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
charged coupled device (CCD)
Firewire 6-pin
removable chips on the motherboard

45. An example of a device that uses a high-density (three-row) DB-15 connector.
detects and fixes corrupt data in RAM.
VGA/SVGA monitor
the motherboard
2048 x 1536

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

47. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Input
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.
800 x 600

48. level three cache is located on _________.
1600 x 1200
removable chips on the motherboard
BIOS
charged coupled device (CCD)

49. What does CRT stand for?
Cathode Ray Tube
Line Grid Array
2048 x 1536
Front Side Bus.

50. Level two cache is located on _______.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the motherboard
Cache
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS