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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.
Volatile
CMOS
144
the motherboard

2. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
Software
Speaker
DB-15
Storage

3. What are the 6 form factors of motherboards?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Storage
DB-25
ATX - BTX - Micro ATX - ITX - NLX - and LPX

4. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
184
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
B-9 serial

5. XGA is ____x_____
Front Side Bus.
1024 x 786
Line Grid Array
BIOS

6. What do the type types of Hard Drive acronyms stand for?
Firewire 6-pin
5.25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
ECC

7. How many pins is a DDR DIMM?
Coaxial
Random Access Memory (RAM)
184
40 or 80

8. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Speaker
RJ-11
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

9. The BIOS is stored on the _______ chip that is on the motherboard.
Network communications
CMOS
DB-25 parallel
Line Grid Array

10. An example of a device that uses a low-density (two-row) male DB-15 connector.
VGA/SVGA monitor
Firmware
Joystick
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.

11. What is Virtual RAM?
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.
Line Grid Array
DB-25 parallel
USB Type A

12. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
Cathode Ray Tube
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.

13. RAID stands for _________.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

14. LGA stands for ______.
Line Grid Array
BIOS
144
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.

15. RAID 5 has at least ___ hard drives.
Power failure
3
Processing
the motherboard

16. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
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.
240
Networking and Communications
USB Type A

17. What is a Brownout?
charged coupled device (CCD)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

18. A temporary data storage location that can be read from and written to.
RJ-11
Random Access Memory (RAM)
144
Output

19. What does CRT stand for?
Too much voltage
Front Side Bus.
removable chips on the motherboard
Cathode Ray Tube

20. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
Network communications
VGA/SVGA monitor
USB Type A

21. External modems most commonly connect to this port.
Volatile
Liquid Crystal Display
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

22. How many pins is a SODIMM DDR2 DIMM?
200
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.
1024 x 786
detects and fixes corrupt data in RAM.

23. An example of a device that uses a high-density (three-row) DB-15 connector.
DB-25 parallel
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Power failure
VGA/SVGA monitor

24. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ECC

25. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Liquid Crystal Display
PCIe - PCI - AGP - ESIA - and ISA
34
Hardware

26. 10Base-5 Ethernet and game ports use this cable
Line Grid Array
PCIe - PCI - AGP - ESIA - and ISA
184
DB-15

27. 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
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.
Error Correction Code.

28. What does LCD stand for?
Liquid Crystal Display
Small Outline DIMM
CMOS
the CPU

29. What are the 4 main types of storage?
Software
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.

30. Serial mouse or external modem
1600 x 1200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
B-9 serial
DB-15

31. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Very brief time (milliseconds) of too little voltage
4
240
CMOS

32. Before sending a power supply to the recycling facility...
Speaker
Componentization
Pin Grid Array
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.

33. Parallel devices connect to this connector.
Storage
DB-25
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80

34. Surge
Serial
CMOS
DB-25
Too much voltage

35. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Small Outline DIMM
Hardware

36. ZIF stands for ______.
RJ-11
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
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.

37. What are the two types of RAM?
USB Type A
Too much voltage
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

38. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Software
DB-25 parallel
Radial Lines
charged coupled device (CCD)

39. Internal modem or telephone
VGA/SVGA monitor
DB-25 parallel
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
RJ-11

40. What does ECC do?
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
detects and fixes corrupt data in RAM.
CMOS

41. 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.
Firmware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization
144

42. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Speaker
RJ-45
4

43. SDRAM sands for _______.
RJ-11
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.
Radial Lines
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

44. 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.
verifying data integrity.
2048 x 1536
USB Type A
Input

45. PGA stands for
Pin Grid Array
50 - 68 - or 80
charged coupled device (CCD)
VGA/SVGA monitor

46. Serial ports have this many pins.
Coaxial
Too little voltage
9
Complex -Instruction - Set - Chips - Used in General Purpose PCs

47. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
1600 x 1200
Liquid Crystal Display
Power failure

48. How many pins is a SODIMM DDR DIMM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Software
144
Cathode Ray Tube

49. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Hardware

50. SCSI code is set by a 4 things - what are they?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Network communications