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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 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.
800 x 600
CMOS
Storage
Componentization

2. An area of memory that holds recently-accessed data.
Cache
verifying data integrity.
Input
Coaxial

3. An example of a device that uses a TRS connector.
4
RJ-45
Too little voltage
Speaker

4. How many pins is a DDR3 DIMM?
240
Joystick
USB Type A
3

5. How many pins is a SODIMM DDR2 DIMM?
BIOS
200
Networking and Communications
Power failure

6. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
184
the motherboard
9-pin serial
Radial Lines

7. What does RIMM stand for?
800 x 600
Redundant Array of Independant (Inexpensive) Disks.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

8. Number of Pins for Drives: 2. SCSI
DB-25 parallel
5.25
50 - 68 - or 80
144

9. Level one cache is located on ___________.
the CPU
detects and fixes corrupt data in RAM.
DB-15
Serial

10. SCSI code is set by a 4 things - what are they?
Liquid Crystal Display
Componentization
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

11. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Speaker
the CPU
Front Side Bus.

12. Serial ports have this many pins.
4
CMOS
Power failure
9

13. An example of a device that uses a low-density (two-row) male DB-15 connector.
1024 x 786
Joystick
240
9-pin serial

14. Spike
Error Correction Code.
ECC
Very Brief time (milliseconds) of too much voltage
DB-25 parallel

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

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16. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
1600 x 1200
Storage
Cathode Ray Tube
2048 x 1536

17. Serial mouse or external modem
1024 x 786
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184
B-9 serial

18. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
order Boot sequence - Integrated devices - drive controllers - power supply settings
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
4
CMOS

19. LGA stands for ______.
2048 x 1536
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

20. 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.
34
the CPU
Networking and Communications
verifying data integrity.

21. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
34
Output
200
40 or 80

22. Number of Pins for Drives: 4. FDD
the motherboard
34
Input
B-9 serial

23. RAID stands for _________.
PS/2-style mouse
Redundant Array of Independant (Inexpensive) Disks.
CMOS
1024 x 786

24. 10Base-2 Ethernet uses this cable.
3
Firewire 6-pin
Coaxial
1600 x 1200

25. External modems most commonly connect to this port.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Serial
removable chips on the motherboard
verifying data integrity.

26. How many pins is a DDR2 DIMM?
DB-15
the CPU
Joystick
240

27. What are the 4 main types of storage?
Output
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240

28. Internal modem or telephone
RJ-11
9-pin serial
Processing
DB-15

29. What do the type types of Hard Drive acronyms stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
charged coupled device (CCD)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
9-pin serial

30. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Output
4
BIOS

31. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
USB Type A
50 - 68 - or 80
4
144

32. ZIF stands for ______.
BIOS
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.
Standardization

33. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
RJ-45
144
the CPU

34. A type of memory that loses data when the power is no longer supplied to the component.
Redundant Array of Independant (Inexpensive) Disks.
ECC
Volatile
9-pin serial

35. 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.
Line Grid Array
verifying data integrity.
9
Standardization

36. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
50 - 68 - or 80
TRS
Firewire 6-pin
tasks or 'Threads'

37. Before sending a power supply to the recycling facility...
verifying data integrity.
800 x 600
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.

38. How many pins is a SODIMM DDR DIMM?
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.
144
Redundant Array of Independant (Inexpensive) Disks.
BIOS

39. What does CRT stand for?
Cathode Ray Tube
Liquid Crystal Display
Pin Grid Array
ECC

40. What is a Blackout?
Power failure
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
Storage

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
3
ECC
Networking and Communications
DB-15

42. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
144
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
VGA/SVGA monitor

43. CPUS: What is CISC?
34
Storage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144

44. What does ECC stand for?
PS/2-style mouse
detects and fixes corrupt data in RAM.
9-pin serial
Error Correction Code.

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

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46. What are the two types of RAM?
Cache
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Coaxial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

47. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
240
7 or 15 (powered)
9

48. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
4
Software
Very brief time (milliseconds) of too little voltage

49. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Coaxial
Networking and Communications
tasks or 'Threads'

50. BIOS allows you to do 4 things - what are they?
1024 x 786
Storage
144
order Boot sequence - Integrated devices - drive controllers - power supply settings