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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. Parallel devices connect to this connector.
Input
Coaxial
Processing
DB-25

2. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
5.25
Pin Grid Array
34

3. How many pins is a SODIMM DDR DIMM?
DB-25 parallel
144
Volatile
order Boot sequence - Integrated devices - drive controllers - power supply settings

4. 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.
PS/2-style mouse
Networking and Communications
ECC
Front Side Bus.

5. BIOS allows you to do 4 things - what are they?
240
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very brief time (milliseconds) of too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings

6. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
1600 x 1200
Liquid Crystal Display
Redundant Array of Independant (Inexpensive) Disks.

7. QXGA is ____x____
Line Grid Array
Cache
2048 x 1536
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.

8. What are the 6 form factors of motherboards?
RJ-45
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Networking and Communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX

9. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
40 or 80
Firmware
DB-15

10. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Too much voltage
ECC
BIOS
5.25

11. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
200
3
CMOS
DB-25 parallel

12. Level two cache is located on _______.
the motherboard
Cathode Ray Tube
Output
Volatile

13. Level one cache is located on ___________.
Power failure
the CPU
the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

14. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Too little voltage
RJ-11
ECC
Networking and Communications

15. level three cache is located on _________.
DB-15
Too little voltage
Error Correction Code.
removable chips on the motherboard

16. Serial mouse or external modem
ECC
PS/2-style mouse
34
B-9 serial

17. What does RIMM stand for?
7 or 15 (powered)
4
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Componentization

18. What is a Sag?
Very brief time (milliseconds) of too little voltage
tasks or 'Threads'
CMOS
Joystick

19. What does CRT stand for?
CMOS
Cathode Ray Tube
detects and fixes corrupt data in RAM.
Power failure

20. How many pins is a DDR DIMM?
184
2048 x 1536
Very brief time (milliseconds) of too little voltage
Software

21. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Redundant Array of Independant (Inexpensive) Disks.
Hardware
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

22. 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)
3
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.
50 - 68 - or 80

23. What is VRAM used for?
B-9 serial
Serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
34

24. RAID stands for _________.
3
Joystick
Redundant Array of Independant (Inexpensive) Disks.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

25. What do the type types of Hard Drive acronyms stand for?
Pin Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
184
RJ-11

26. SCSI code is set by a 4 things - what are they?
Liquid Crystal Display
TRS
Speaker
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

27. Spike
VGA/SVGA monitor
Very Brief time (milliseconds) of too much voltage
Too little voltage
B-9 serial

28. Number of Pins for Drives: 4. FDD
40 or 80
200
34
Very Brief time (milliseconds) of too much voltage

29. CPUs: What is RISC?
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)
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.

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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube
144
verifying data integrity.

31. SVGA is ____ x_____
800 x 600
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Power failure
USB Type A

32. RAID 5 has at least ___ hard drives.
200
3
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

33. 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.
Liquid Crystal Display
DB-15
ATX - BTX - Micro ATX - ITX - NLX - and LPX

34. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
1024 x 786
DB-15
Networking and Communications
Firewire 6-pin

35. Parity is used in some _____________ - hard drives - and RAM.
Line Grid Array
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube
Network communications

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

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37. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PS/2-style mouse
CMOS
3
PCIe - PCI - AGP - ESIA - and ISA

38. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
USB Type A
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RJ-45

39. CPUS: What is CISC?
Input
Network communications
Radial Lines
Complex -Instruction - Set - Chips - Used in General Purpose PCs

40. Surge
Error Correction Code.
Too much voltage
DB-15
Redundant Array of Independant (Inexpensive) Disks.

41. Before sending a power supply to the recycling facility...
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.
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.
PCIe - PCI - AGP - ESIA - and ISA
Random Access Memory (RAM)

42. An example of a device that uses a low-density (two-row) male DB-15 connector.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Radial Lines
Firewire 6-pin
Joystick

43. 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.
Pin Grid Array
5.25
Componentization
Processing

44. What is Virtual RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
7 or 15 (powered)
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.
Storage

45. An example of a device that uses a high-density (three-row) DB-15 connector.
Liquid Crystal Display
VGA/SVGA monitor
DB-25 parallel
ECC

46. Serial ports have this many pins.
CMOS
9
ECC
removable chips on the motherboard

47. Internal modem or telephone
Serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-11
34

48. ZIF stands for ______.
USB Type A
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

49. UXGA is _____x_____
800 x 600
CMOS
DB-15
1600 x 1200

50. 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
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Input
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot