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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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 a Sag?
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Serial
Processing

2. An example of a device that uses a low-density (two-row) male DB-15 connector.
Coaxial
DB-25 parallel
PCIe - PCI - AGP - ESIA - and ISA
Joystick

3. What does SODIMM stand for?
Small Outline DIMM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS
CMOS

4. What is a Blackout?
Firmware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Power failure
detects and fixes corrupt data in RAM.

5. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Coaxial
removable chips on the motherboard
USB Type A
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.

6. An example of firmware.
CMOS
BIOS
Power failure
BIOS

7. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Standardization
TRS
4
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

8. Serial ports have this many pins.
9
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15

9. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-25
Software
34

10. What does ECC do?
detects and fixes corrupt data in RAM.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
800 x 600
charged coupled device (CCD)

11. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Too much voltage
1600 x 1200
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

12. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Random Access Memory (RAM)
200
Input
CMOS

13. 10Base-2 Ethernet uses this cable.
Coaxial
5.25
Too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs

14. How many pins is a DDR2 DIMM?
144
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too little voltage

15. A serial mouse connects to a computer with this connector.
50 - 68 - or 80
144
9-pin serial
5.25

16. An area of memory that holds recently-accessed data.
Cathode Ray Tube
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache

17. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
BIOS
Serial
1600 x 1200

18. Number of Pins for Drives: 4. FDD
Very brief time (milliseconds) of too little voltage
34
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS

19. External modems most commonly connect to this port.
Componentization
1600 x 1200
Small Outline DIMM
Serial

20. A temporary data storage location that can be read from and written to.
Speaker
verifying data integrity.
Random Access Memory (RAM)
tasks or 'Threads'

21. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Networking and Communications
Volatile
ATX - BTX - Micro ATX - ITX - NLX - and LPX

22. What does ECC stand for?
5.25
Error Correction Code.
CMOS
144

23. What is Virtual RAM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
video ram for the use of the Graphic Processing Unit (GPU). Not related to 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.
Storage

24. 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
Coaxial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA

25. What is a Brownout?
Software
Cache
Too little voltage
DB-25

26. What do the type types of Hard Drive acronyms stand for?
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.
1024 x 786
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Componentization

27. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
B-9 serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Network communications

28. What does CRT stand for?
Cathode Ray Tube
5.25
Front Side Bus.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

29. What is the formal name of the 'headphone jack'?
Joystick
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Networking and Communications
CMOS

30. 10Base-5 Ethernet and game ports use this cable
Volatile
detects and fixes corrupt data in RAM.
Redundant Array of Independant (Inexpensive) Disks.
DB-15

31. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Pin Grid Array
Processing
144
RJ-11

32. Level one cache is located on ___________.
the CPU
Speaker
the motherboard
Componentization

33. What does RIMM stand for?
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
5.25
Very Brief time (milliseconds) of too much voltage

34. Surge
CMOS
DB-15
Cathode Ray Tube
Too much voltage

35. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
BIOS
Power failure
Coaxial
Hardware

36. How many pins is a DDR DIMM?
240
184
B-9 serial
RJ-45

37. SCSI code is set by a 4 things - what are they?
Hardware
34
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

38. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
verifying data integrity.
PCIe - PCI - AGP - ESIA - and ISA
RJ-11
Componentization

39. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
Processing
RJ-45

40. What are the 4 main types of storage?
Standardization
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Networking and Communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

41. How many pins is a DDR3 DIMM?
4
Very brief time (milliseconds) of too little voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240

42. 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.
the motherboard
CMOS
Joystick

43. RAID 5 has at least ___ hard drives.
3
Very brief time (milliseconds) of too little voltage
34
240

44. What is VRAM used for?
Too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

45. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
2048 x 1536
Radial Lines
USB Type A
Pin Grid Array

46. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
DB-25
Front Side Bus.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

47. An example of a device that uses a TRS connector.
Firmware
Volatile
Speaker
9

48. A type of memory that loses data when the power is no longer supplied to the component.
Storage
Cathode Ray Tube
Volatile
Network communications

49. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
3
USB Type A
DB-15

50. Serial mouse or external modem
40 or 80
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Standardization
B-9 serial

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Comptia A +: Hardware

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