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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. Printers
DB-25 parallel
34
3
verifying data integrity.

2. Spike
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
removable chips on the motherboard
240
Very Brief time (milliseconds) of too much voltage

3. How many pins is a MICRODIMM DIMM?
Storage
144
Network communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

4. How many pins is a DDR2 DIMM?
Cache
240
ECC
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.

5. QXGA is ____x____
BIOS
2048 x 1536
Componentization
DB-25

6. What does SODIMM stand for?
DB-15
Line Grid Array
Small Outline DIMM
Very brief time (milliseconds) of too little voltage

7. LGA stands for ______.
Line Grid Array
Joystick
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.

8. What does ECC stand for?
Error Correction Code.
Too little voltage
CMOS
Cache

9. 10Base-5 Ethernet and game ports use this cable
DB-15
Cache
Very brief time (milliseconds) of too little voltage
9

10. Ethernet network
detects and fixes corrupt data in RAM.
Cathode Ray Tube
Front Side Bus.
RJ-45

11. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Cache
the motherboard

12. Serial ports have this many pins.
7 or 15 (powered)
RJ-45
9
1024 x 786

13. How many pins is a DDR3 DIMM?
Networking and Communications
240
verifying data integrity.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

14. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
PS/2-style mouse
Network communications
charged coupled device (CCD)
1024 x 786

15. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Liquid Crystal Display
Storage

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

17. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the motherboard
Very brief time (milliseconds) of too little voltage

18. RAID stands for _________.
144
Redundant Array of Independant (Inexpensive) Disks.
CMOS
40 or 80

19. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DB-15
RJ-11
5.25
Very brief time (milliseconds) of too little voltage

20. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PCIe - PCI - AGP - ESIA - and ISA
verifying data integrity.

21. Internal modem or telephone
the motherboard
RJ-11
Very brief time (milliseconds) of too little voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

22. ZIF stands for ______.
240
Joystick
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.
Very Brief time (milliseconds) of too much voltage

23. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Standardization
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.
Very Brief time (milliseconds) of too much voltage

24. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9-pin serial
Network communications
Liquid Crystal Display

25. What does RIMM stand for?
DB-25
Standardization
TRS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

26. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
removable chips on the motherboard
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

27. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
VGA/SVGA monitor
Storage
Processing
PS/2-style mouse

28. Parity is used in some _____________ - hard drives - and RAM.
40 or 80
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Network communications

29. How many pins is a SODIMM DDR2 DIMM?
4
ECC
200
DB-15

30. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
2048 x 1536
B-9 serial
Firmware
5.25

31. How many pins is a DDR DIMM?
184
Cathode Ray Tube
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.
Random Access Memory (RAM)

32. What does CRT stand for?
tasks or 'Threads'
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube
Coaxial

33. PGA stands for
Pin Grid Array
50 - 68 - or 80
Liquid Crystal Display
800 x 600

34. Number of Pins for Drives: 4. FDD
detects and fixes corrupt data in RAM.
Very Brief time (milliseconds) of too much voltage
40 or 80
34

35. External modems most commonly connect to this port.
Serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array
removable chips on the motherboard

36. What are the 4 main types of storage?
VGA/SVGA monitor
RJ-11
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786

37. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
DB-25 parallel
TRS
5.25
Coaxial

38. 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.
7 or 15 (powered)
Joystick
Standardization
Line Grid Array

39. Before sending a power supply to the recycling facility...
DB-15
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

40. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
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.
4
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

41. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
Redundant Array of Independant (Inexpensive) Disks.
Input

42. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
4
Front Side Bus.
verifying data integrity.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

43. Level one cache is located on ___________.
Speaker
the CPU
Pin Grid Array
order Boot sequence - Integrated devices - drive controllers - power supply settings

44. What does ECC do?
Pin Grid Array
144
detects and fixes corrupt data in RAM.
Storage

45. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
40 or 80
Radial Lines
800 x 600

46. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

47. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
RJ-11
Very Brief time (milliseconds) of too much voltage
Line Grid Array

48. The BIOS is stored on the _______ chip that is on the motherboard.
VGA/SVGA monitor
Small Outline DIMM
DB-15
CMOS

49. CPUS: What is CISC?
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
4
240

50. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Small Outline DIMM
Radial Lines
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
tasks or 'Threads'