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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. What does LCD stand for?
verifying data integrity.
Output
Networking and Communications
Liquid Crystal Display

2. What does SODIMM stand for?
240
34
Small Outline DIMM
Single Inline Memory Module - has 30 or 72 contacts on only one side.

3. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-11
tasks or 'Threads'
1024 x 786

4. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Radial Lines
verifying data integrity.
Firmware

5. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
TRS
Componentization
Input
5.25

6. 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.
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
Standardization

7. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
BIOS
RJ-11
PCIe - PCI - AGP - ESIA - and ISA
4

8. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Componentization
Output
2048 x 1536

9. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Redundant Array of Independant (Inexpensive) Disks.
144
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

10. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
DB-15
2048 x 1536
Hardware
BIOS

11. An example of a device that uses a high-density (three-row) DB-15 connector.
Processing
34
VGA/SVGA monitor
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

12. Spike
B-9 serial
the CPU
Very Brief time (milliseconds) of too much voltage
7 or 15 (powered)

13. What do the type types of Hard Drive acronyms stand for?
Line Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PS/2-style mouse
240

14. Internal modem or telephone
40 or 80
184
RJ-11
ATX - BTX - Micro ATX - ITX - NLX - and LPX

15. 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.
Random Access Memory (RAM)
removable chips on the motherboard
Networking and Communications
Line Grid Array

16. Ethernet network
RJ-45
PS/2-style mouse
1600 x 1200
240

17. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Joystick
BIOS
Input
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

18. How many pins is a SODIMM DDR2 DIMM?
ECC
200
Processing
Input

19. CPUs: What is RISC?
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

20. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Power failure
Processing
Storage
charged coupled device (CCD)

21. 10Base-2 Ethernet uses this cable.
Coaxial
Networking and Communications
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

22. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
240
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firewire 6-pin
144

23. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Power failure
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Hardware

24. What is a Sag?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very brief time (milliseconds) of too little voltage
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX

25. PGA stands for
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Pin Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC

26. 10Base-5 Ethernet and game ports use this cable
Standardization
Random Access Memory (RAM)
verifying data integrity.
DB-15

27. A serial mouse connects to a computer with this connector.
9-pin serial
40 or 80
144
Network communications

28. SCSI code is set by a 4 things - what are they?
detects and fixes corrupt data in RAM.
Networking and Communications
Processing
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Networking and Communications
USB Type A
Volatile
the CPU

30. How many pins is a DDR3 DIMM?
9-pin serial
Firmware
PCIe - PCI - AGP - ESIA - and ISA
240

31. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
charged coupled device (CCD)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1600 x 1200

32. Surge
Too much voltage
CMOS
Coaxial
Error Correction Code.

33. Serial mouse or external modem
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Storage
B-9 serial
Pin Grid Array

34. 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
Line Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure

35. Number of Pins for Drives: 4. FDD
DB-25
Very brief time (milliseconds) of too little voltage
9
34

36. What is Virtual RAM?
BIOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.

37. RAID 5 has at least ___ hard drives.
1600 x 1200
3
BIOS
Power failure

38. What does RIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
50 - 68 - or 80
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

39. What are the 4 main types of storage?
Joystick
DB-15
Cache
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

40. Level one cache is located on ___________.
Input
ECC
DB-25 parallel
the CPU

41. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Software
the motherboard

42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Liquid Crystal Display
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the motherboard
Radial Lines

43. 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.
Power failure
Front Side Bus.
Volatile

44. LGA stands for ______.
9
Line Grid Array
charged coupled device (CCD)
Cache

45. What is a Blackout?
ECC
Power failure
Firewire 6-pin
VGA/SVGA monitor

46. XGA is ____x_____
tasks or 'Threads'
Input
CMOS
1024 x 786

47. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Firmware
ECC
Processing

48. Before sending a power supply to the recycling facility...
Coaxial
USB Type A
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.
PS/2-style mouse

49. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
BIOS
Storage
Standardization
DB-15

50. BIOS allows you to do 4 things - what are they?
RJ-45
order Boot sequence - Integrated devices - drive controllers - power supply settings
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240