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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. An example of a device that uses a 6-pin Mini-DIN connector.
Too little voltage
charged coupled device (CCD)
PS/2-style mouse
Output

2. Printers
RJ-11
CMOS
Storage
DB-25 parallel

3. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
CMOS
charged coupled device (CCD)
7 or 15 (powered)
3

4. Serial ports have this many pins.
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80
9
7 or 15 (powered)

5. How many pins is a SODIMM DDR DIMM?
Software
RJ-45
1600 x 1200
144

6. Ethernet network
Volatile
PS/2-style mouse
184
RJ-45

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

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8. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
4
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

9. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Small Outline DIMM
Radial Lines
34
200

10. An example of a device that uses a low-density (two-row) male DB-15 connector.
Random Access Memory (RAM)
Error Correction Code.
3
Joystick

11. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
40 or 80
CMOS
800 x 600

12. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DB-15
Firmware
Output
3

13. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Redundant Array of Independant (Inexpensive) Disks.
Liquid Crystal Display
Line Grid Array
CMOS

14. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
800 x 600
Cache
DB-25

15. How many pins is a MICRODIMM DIMM?
Firmware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
144
Very Brief time (milliseconds) of too much voltage

16. What are the two types of RAM?
USB Type A
order Boot sequence - Integrated devices - drive controllers - power supply settings
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

17. An area of memory that holds recently-accessed data.
PCIe - PCI - AGP - ESIA - and ISA
Cache
50 - 68 - or 80
Volatile

18. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Hardware
Front Side Bus.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9

19. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Componentization
charged coupled device (CCD)
240
Firewire 6-pin

20. CPUS: What is CISC?
removable chips on the motherboard
Standardization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1024 x 786

21. XGA is ____x_____
1024 x 786
Radial Lines
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
BIOS

22. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
2048 x 1536
1024 x 786
VGA/SVGA monitor

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Componentization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1024 x 786
CMOS

24. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Networking and Communications
removable chips on the motherboard
Hardware
4

25. QXGA is ____x____
VGA/SVGA monitor
2048 x 1536
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

26. How many pins is a DDR2 DIMM?
240
34
DB-25
Line Grid Array

27. 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.
RJ-11
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Standardization
CMOS

28. Parity is used in some _____________ - hard drives - and RAM.
Too much voltage
Network communications
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-25

29. 10Base-5 Ethernet and game ports use this cable
DB-15
Front Side Bus.
Cache
order Boot sequence - Integrated devices - drive controllers - power supply settings

30. The actual speed of the CPU is governed by a _______ setting called the clock rate.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Network communications
BIOS
Liquid Crystal Display

31. What is the formal name of the 'headphone jack'?
Hardware
Firmware
Software
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

32. What does SODIMM stand for?
Random Access Memory (RAM)
DB-15
Small Outline DIMM
DB-25

33. What does RIMM stand for?
Network communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA
240

34. Internal modem or telephone
RJ-11
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Storage

35. Number of Pins for Drives: 4. FDD
Firewire 6-pin
Too much voltage
Line Grid Array
34

36. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Redundant Array of Independant (Inexpensive) Disks.
CMOS
1024 x 786

37. 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.
the CPU
Networking and Communications
50 - 68 - or 80
Hardware

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

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39. A serial mouse connects to a computer with this connector.
9-pin serial
Cache
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

40. Spike
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RJ-11
Very Brief time (milliseconds) of too much voltage

41. An example of a device that uses a TRS connector.
Speaker
removable chips on the motherboard
Network communications
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.

42. How many pins is a SODIMM DDR2 DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15
200
40 or 80

43. LGA stands for ______.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Line Grid Array
Redundant Array of Independant (Inexpensive) Disks.
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.

44. What does CRT stand for?
144
Storage
Cathode Ray Tube
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

45. What is a Blackout?
Power failure
Joystick
Very brief time (milliseconds) of too little voltage
Error Correction Code.

46. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Componentization
PCIe - PCI - AGP - ESIA - and ISA
Very Brief time (milliseconds) of too much voltage

47. SDRAM sands for _______.
Serial
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Output

48. RAID 5 has at least ___ hard drives.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
3
B-9 serial
Front Side Bus.

49. 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.
7 or 15 (powered)
tasks or 'Threads'
Single Inline Memory Module - has 30 or 72 contacts on only one side.

50. The BIOS is stored on the _______ chip that is on the motherboard.
Network communications
CMOS
Serial
Power failure

Can you answer 50 questions in 15 minutes?

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Comptia A +: Hardware

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