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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. 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.
the CPU
3
Volatile

2. How many pins is a SODIMM DDR DIMM?
Standardization
144
5.25
PCIe - PCI - AGP - ESIA - and ISA

3. XGA is ____x_____
Firmware
Networking and Communications
Power failure
1024 x 786

4. What is Virtual RAM?
BIOS
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Joystick

5. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
240
Speaker
34

6. 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
BIOS
800 x 600
the motherboard

7. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Processing
DB-25
Liquid Crystal Display
CMOS

8. SVGA is ____ x_____
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
800 x 600

9. 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)
RJ-11
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS
Software

10. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15
BIOS
50 - 68 - or 80

11. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Front Side Bus.
1024 x 786
TRS
240

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

13. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
2048 x 1536
Firmware
the motherboard
9-pin serial

14. SCSI code is set by a 4 things - what are they?
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
184

15. Number of Pins for Drives: 3. SATA
Networking and Communications
7 or 15 (powered)
34
order Boot sequence - Integrated devices - drive controllers - power supply settings

16. Number of Pins for Drives: 2. SCSI
Storage
BIOS
50 - 68 - or 80
Liquid Crystal Display

17. How many pins is a MICRODIMM DIMM?
Very brief time (milliseconds) of too little voltage
144
B-9 serial
240

18. What does ECC stand for?
Error Correction Code.
7 or 15 (powered)
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

19. What does LCD stand for?
CMOS
Liquid Crystal Display
CMOS
RJ-11

20. What is a Sag?
TRS
144
Very brief time (milliseconds) of too little voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

21. Before sending a power supply to the recycling facility...
DB-15
Software
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.
BIOS

22. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
4
PCIe - PCI - AGP - ESIA - and ISA

23. What is a Blackout?
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.
9-pin serial
Coaxial
Power failure

24. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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. 10Base-5 Ethernet and game ports use this cable
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.
2048 x 1536
Componentization
DB-15

26. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
DB-15
Redundant Array of Independant (Inexpensive) Disks.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Front Side Bus.

27. 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.
3
240
Processing
Componentization

28. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Too much voltage
1024 x 786
2048 x 1536
Output

29. BIOS allows you to do 4 things - what are they?
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Small Outline DIMM
Liquid Crystal Display

30. LGA stands for ______.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
Too little voltage
Too much voltage

31. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Hardware
34

32. Number of Pins for Drives: 4. FDD
Joystick
Network communications
the CPU
34

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

34. RAID stands for _________.
Processing
Redundant Array of Independant (Inexpensive) Disks.
184
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.

35. 10Base-2 Ethernet uses this cable.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Coaxial

36. RAID 5 has at least ___ hard drives.
240
3
Liquid Crystal Display
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. Parallel devices connect to this connector.
DB-25
BIOS
CMOS
the CPU

38. What is VRAM used for?
Coaxial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

39. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
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.
5.25
Hardware
Pin Grid Array

40. How many pins is a SODIMM DDR2 DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1024 x 786
200
Too little voltage

41. ZIF stands for ______.
Too much voltage
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.
2048 x 1536
Too little voltage

42. 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
Redundant Array of Independant (Inexpensive) Disks.
Hardware
240

43. Surge
Pin Grid Array
Componentization
Too much voltage
Software

44. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DB-25 parallel
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing
Random Access Memory (RAM)

45. An example of firmware.
BIOS
Random Access Memory (RAM)
Too little voltage
Redundant Array of Independant (Inexpensive) Disks.

46. External modems most commonly connect to this port.
800 x 600
Serial
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.
USB Type A

47. Spike
40 or 80
Cache
Very Brief time (milliseconds) of too much voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

48. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
Standardization
CMOS

49. Serial mouse or external modem
DB-15
Front Side Bus.
B-9 serial
144

50. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
1024 x 786
Storage
200
1600 x 1200