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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. Surge
144
Too much voltage
Error Correction Code.
Cathode Ray Tube

2. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Processing
Software
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA

3. What does SIMM stand for?
B-9 serial
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel

4. Parity is used in some _____________ - hard drives - and RAM.
Cache
removable chips on the motherboard
Line Grid Array
Network communications

5. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Random Access Memory (RAM)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
BIOS

6. An area of memory that holds recently-accessed data.
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
Cache
Cathode Ray Tube

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
9-pin serial
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.

8. Parallel devices connect to this connector.
1600 x 1200
DB-25
Speaker
B-9 serial

9. 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.
Front Side Bus.
Very Brief time (milliseconds) of too much voltage
Standardization
DB-15

10. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Firmware
verifying data integrity.
Cathode Ray Tube

11. What is a Sag?
Joystick
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cathode Ray Tube

12. A serial mouse connects to a computer with this connector.
Front Side Bus.
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
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

13. level three cache is located on _________.
the CPU
9-pin serial
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX

14. 10Base-2 Ethernet uses this cable.
Componentization
Coaxial
verifying data integrity.
Firmware

15. 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
Volatile
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

16. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Software
ECC
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.
200

17. How many pins is a MICRODIMM DIMM?
Redundant Array of Independant (Inexpensive) Disks.
144
Error Correction Code.
RJ-11

18. Number of Pins for Drives: 4. FDD
34
CMOS
Very brief time (milliseconds) of too little voltage
144

19. XGA is ____x_____
Hardware
RJ-45
9-pin serial
1024 x 786

20. 10Base-5 Ethernet and game ports use this cable
DB-15
7 or 15 (powered)
Radial Lines
B-9 serial

21. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
9-pin serial
50 - 68 - or 80
1600 x 1200
5.25

22. What is the formal name of the 'headphone jack'?
Storage
Redundant Array of Independant (Inexpensive) Disks.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

23. What does ECC stand for?
ECC
RJ-45
Error Correction Code.
240

24. An example of a device that uses a TRS connector.
Speaker
DB-25
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

25. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25

26. 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.
7 or 15 (powered)
144
Serial

27. What are the two types of RAM?
Redundant Array of Independant (Inexpensive) Disks.
Hardware
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

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

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29. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Error Correction Code.
USB Type A
Random Access Memory (RAM)

30. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
5.25
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Radial Lines

31. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
800 x 600

32. RAID 5 has at least ___ hard drives.
3
DB-15
detects and fixes corrupt data in RAM.
Software

33. An example of a device that uses a low-density (two-row) male DB-15 connector.
144
Joystick
Processing
CMOS

34. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
charged coupled device (CCD)
9
3

35. Number of Pins for Drives: 2. SCSI
DB-25
50 - 68 - or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

36. 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.
50 - 68 - or 80
Hardware
verifying data integrity.
DB-25

37. An example of a device that uses a high-density (three-row) DB-15 connector.
1024 x 786
VGA/SVGA monitor
BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

38. An example of a device that uses a 6-pin Mini-DIN connector.
B-9 serial
Very brief time (milliseconds) of too little voltage
Volatile
PS/2-style mouse

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

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40. QXGA is ____x____
2048 x 1536
Small Outline DIMM
Too much voltage
Volatile

41. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array
Serial
Firmware

42. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs

43. Serial mouse or external modem
B-9 serial
Serial
Pin Grid Array
Storage

44. What is a Blackout?
Line Grid Array
Power failure
Liquid Crystal Display
200

45. Serial ports have this many pins.
B-9 serial
ECC
Software
9

46. What is a Brownout?
800 x 600
Redundant Array of Independant (Inexpensive) Disks.
Volatile
Too little voltage

47. What are the 6 form factors of motherboards?
the motherboard
Liquid Crystal Display
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144

48. An example of firmware.
Redundant Array of Independant (Inexpensive) Disks.
BIOS
PCIe - PCI - AGP - ESIA - and ISA
Volatile

49. External modems most commonly connect to this port.
RJ-11
order Boot sequence - Integrated devices - drive controllers - power supply settings
Serial
184

50. SDRAM sands for _______.
TRS
184
34
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

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Comptia A +: Hardware

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