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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. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
40 or 80
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

2. What is a Sag?
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
tasks or 'Threads'
Firmware

3. What does LCD stand for?
Error Correction Code.
Coaxial
Componentization
Liquid Crystal Display

4. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
PCIe - PCI - AGP - ESIA - and ISA
RJ-45

5. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
1600 x 1200
Standardization
Firewire 6-pin
charged coupled device (CCD)

6. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
detects and fixes corrupt data in RAM.

7. What is a Brownout?
200
Too little voltage
1024 x 786
Volatile

8. QXGA is ____x____
charged coupled device (CCD)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
USB Type A
2048 x 1536

9. 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.
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.
Componentization

10. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Volatile
removable chips on the motherboard
Network communications
CMOS

11. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Too much voltage
Output
Software
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

12. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
1024 x 786
4
Radial Lines
240

13. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU
Radial Lines
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.

14. LGA stands for ______.
Line Grid Array
detects and fixes corrupt data in RAM.
the CPU
240

15. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
240
RJ-45
9
40 or 80

16. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
Input
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

17. External modems most commonly connect to this port.
Serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144
Processing

18. RAID 5 has at least ___ hard drives.
verifying data integrity.
3
detects and fixes corrupt data in RAM.
34

19. 10Base-5 Ethernet and game ports use this cable
Small Outline DIMM
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DB-15
3

20. An example of firmware.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Componentization
BIOS
Redundant Array of Independant (Inexpensive) Disks.

21. Spike
Power failure
the CPU
7 or 15 (powered)
Very Brief time (milliseconds) of too much voltage

22. An example of a device that uses a low-density (two-row) male DB-15 connector.
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.
Joystick
Cache

23. CPUS: What is CISC?
Input
DB-25 parallel
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Complex -Instruction - Set - Chips - Used in General Purpose PCs

24. What is Virtual RAM?
Very brief time (milliseconds) of too little voltage
800 x 600
the motherboard
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.

25. SDRAM sands for _______.
1024 x 786
DB-25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cache

26. Ethernet network
Too much voltage
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.
RJ-45
ECC

27. What does ECC stand for?
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Error Correction Code.
Radial Lines

28. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
50 - 68 - or 80
40 or 80
7 or 15 (powered)

29. The BIOS is stored on the _______ chip that is on the motherboard.
USB Type A
Volatile
Firewire 6-pin
CMOS

30. 10Base-2 Ethernet uses this cable.
Front Side Bus.
50 - 68 - or 80
Coaxial
240

31. SVGA is ____ x_____
800 x 600
PCIe - PCI - AGP - ESIA - and ISA
charged coupled device (CCD)
BIOS

32. UXGA is _____x_____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial
Very brief time (milliseconds) of too little voltage
1600 x 1200

33. Number of Pins for Drives: 4. FDD
PCIe - PCI - AGP - ESIA - and ISA
Firmware
34
Volatile

34. Serial mouse or external modem
50 - 68 - or 80
B-9 serial
Error Correction Code.
Power failure

35. 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.
BIOS
removable chips on the motherboard
Processing
Standardization

36. Parallel devices connect to this connector.
DB-25
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Hardware
Error Correction Code.

37. 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.
RJ-45
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Networking and Communications

38. A temporary data storage location that can be read from and written to.
Processing
200
Random Access Memory (RAM)
PS/2-style mouse

39. Level two cache is located on _______.
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
USB Type A
the motherboard

40. Serial ports have this many pins.
240
Line Grid Array
ECC
9

41. PGA stands for
VGA/SVGA monitor
Pin Grid Array
detects and fixes corrupt data in RAM.
PCIe - PCI - AGP - ESIA - and ISA

42. An area of memory that holds recently-accessed data.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
removable chips on the motherboard
Cache

43. Number of Pins for Drives: 2. SCSI
USB Type A
50 - 68 - or 80
Coaxial
RJ-45

44. How many pins is a SODIMM DDR DIMM?
TRS
Cache
144
Firewire 6-pin

45. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
3
the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.

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

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Componentization
BIOS
Cache
B-9 serial

48. What are the 6 form factors of motherboards?
USB Type A
order Boot sequence - Integrated devices - drive controllers - power supply settings
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

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.
240
Componentization
Power failure
Networking and Communications

50. Before sending a power supply to the recycling facility...
Line Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.
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.