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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 is Virtual RAM?
DB-15
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.
Front Side Bus.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

2. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Too much voltage
Coaxial
Storage
5.25

3. Parallel devices connect to this connector.
9-pin serial
DB-25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15

4. Printers
DB-25 parallel
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
3

5. Spike
detects and fixes corrupt data in RAM.
200
Cathode Ray Tube
Very Brief time (milliseconds) of too much voltage

6. SCSI code is set by a 4 things - what are they?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Output
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Serial

7. External modems most commonly connect to this port.
USB Type A
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PS/2-style mouse
Serial

8. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
184
Redundant Array of Independant (Inexpensive) Disks.
BIOS

9. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Input
CMOS
184
USB Type A

10. BIOS allows you to do 4 things - what are they?
40 or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
B-9 serial

11. SDRAM sands for _______.
184
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
3

12. XGA is ____x_____
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
1024 x 786
240

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
240
the motherboard
4
34

14. 10Base-5 Ethernet and game ports use this cable
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
DB-15
Single Inline Memory Module - has 30 or 72 contacts on only one side.

15. Before sending a power supply to the recycling facility...
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.
240
Storage
Liquid Crystal Display

16. 10Base-2 Ethernet uses 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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Coaxial
7 or 15 (powered)

17. UXGA is _____x_____
1600 x 1200
CMOS
BIOS
184

18. 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
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS

19. What is a Blackout?
Line Grid Array
DB-25
Power failure
BIOS

20. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Standardization
240
Very Brief time (milliseconds) of too much voltage

21. Number of Pins for Drives: 4. FDD
Too little voltage
34
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.
DB-15

22. 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
RJ-11
Radial Lines
Software

23. How many pins is a DDR DIMM?
184
Very brief time (milliseconds) of too little voltage
Radial Lines
verifying data integrity.

24. LGA stands for ______.
BIOS
Line Grid Array
PCIe - PCI - AGP - ESIA - and ISA
Coaxial

25. Internal modem or telephone
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
3
RJ-11
DB-25 parallel

26. Level two cache is located on _______.
the motherboard
1024 x 786
Volatile
TRS

27. Serial ports have this many pins.
Componentization
Too much voltage
DB-15
9

28. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
3
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1024 x 786
Input

29. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Front Side Bus.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

30. How many pins is a SODIMM DDR2 DIMM?
detects and fixes corrupt data in RAM.
200
USB Type A
Coaxial

31. What does ECC stand for?
40 or 80
Error Correction Code.
Hardware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

32. Ethernet network
ECC
verifying data integrity.
RJ-45
B-9 serial

33. RAID stands for _________.
DB-15
Small Outline DIMM
charged coupled device (CCD)
Redundant Array of Independant (Inexpensive) Disks.

34. Number of Pins for Drives: 2. SCSI
BIOS
Software
50 - 68 - or 80
Power failure

35. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
240
Volatile
Joystick
40 or 80

36. 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.
Componentization
BIOS
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.
CMOS

37. The BIOS is stored on the _______ chip that is on the motherboard.
Very Brief time (milliseconds) of too much voltage
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15

38. A serial mouse connects to a computer with this connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial
TRS
800 x 600

39. What do the type types of Hard Drive acronyms stand for?
5.25
9-pin serial
the motherboard
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

40. What does LCD stand for?
4
40 or 80
Liquid Crystal Display
Processing

41. ZIF stands for ______.
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

42. RAID 5 has at least ___ hard drives.
3
4
Volatile
BIOS

43. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Pin Grid Array
Firewire 6-pin
144

44. What does CRT stand for?
PS/2-style mouse
Cathode Ray Tube
Redundant Array of Independant (Inexpensive) Disks.
144

45. SVGA is ____ x_____
800 x 600
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
Speaker

46. What are the 6 form factors of motherboards?
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-11

47. What does ECC do?
detects and fixes corrupt data in RAM.
50 - 68 - or 80
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

48. PGA stands for
Too little voltage
Pin Grid Array
200
order Boot sequence - Integrated devices - drive controllers - power supply settings

49. How many pins is a MICRODIMM DIMM?
40 or 80
3
144
Coaxial

50. How many pins is a DDR3 DIMM?
BIOS
240
Redundant Array of Independant (Inexpensive) Disks.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack