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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. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
1024 x 786
Very brief time (milliseconds) of too little voltage
DB-15
Random Access Memory (RAM)

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

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3. External modems most commonly connect to this port.
the motherboard
Serial
144
DB-25

4. An example of a device that uses a 6-pin Mini-DIN connector.
RJ-11
PS/2-style mouse
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

5. An example of firmware.
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Componentization
240

6. An example of a device that uses a low-density (two-row) male DB-15 connector.
ECC
Joystick
Speaker
TRS

7. 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.
Too much voltage
Too little voltage
Standardization
CMOS

8. What is a Brownout?
DB-25
7 or 15 (powered)
Power failure
Too little voltage

9. 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.
Radial Lines
B-9 serial
Componentization
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

10. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too much voltage
BIOS
9

11. How many pins is a SODIMM DDR DIMM?
144
the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Joystick

12. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Redundant Array of Independant (Inexpensive) Disks.
Cathode Ray Tube
40 or 80
DB-15

13. What does SIMM stand for?
Processing
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the CPU

14. An example of a device that uses a TRS connector.
240
the CPU
144
Speaker

15. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.
DB-25 parallel

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

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17. Ethernet network
Too little voltage
the CPU
RJ-45
DB-15

18. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1024 x 786

19. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
1024 x 786
9-pin serial
charged coupled device (CCD)

20. Serial mouse or external modem
BIOS
3
B-9 serial
5.25

21. Level one cache is located on ___________.
Hardware
BIOS
the CPU
Componentization

22. 10Base-2 Ethernet uses this cable.
removable chips on the motherboard
VGA/SVGA monitor
Coaxial
Software

23. Spike
Small Outline DIMM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very Brief time (milliseconds) of too much voltage
Error Correction Code.

24. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
VGA/SVGA monitor
Software
240

25. Surge
Too much voltage
Front Side Bus.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cache

26. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Componentization
Networking and Communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs

27. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
verifying data integrity.
2048 x 1536
200
Firewire 6-pin

28. level three cache is located on _________.
Software
removable chips on the motherboard
Storage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

29. What does ECC stand for?
Front Side Bus.
Error Correction Code.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144

30. Internal modem or telephone
RJ-11
Line Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9

31. 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.
184
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.
Componentization

32. Parallel devices connect to this connector.
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25
40 or 80

33. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Joystick
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

34. What is Virtual RAM?
PS/2-style mouse
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.
800 x 600
DB-25

35. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
240
Componentization
Output
CMOS

36. Parity is used in some _____________ - hard drives - and RAM.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Hardware
Network communications
Speaker

37. QXGA is ____x____
Redundant Array of Independant (Inexpensive) Disks.
2048 x 1536
Radial Lines
Liquid Crystal Display

38. Level two cache is located on _______.
Very brief time (milliseconds) of too little voltage
Firewire 6-pin
the motherboard
2048 x 1536

39. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Firewire 6-pin
Redundant Array of Independant (Inexpensive) Disks.
Hardware
Output

40. UXGA is _____x_____
1600 x 1200
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.
Hardware
DB-15

41. An area of memory that holds recently-accessed data.
DB-25 parallel
CMOS
Cache
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

42. RAID 5 has at least ___ hard drives.
1600 x 1200
Firmware
3
CMOS

43. SCSI code is set by a 4 things - what are they?
Componentization
Power failure
charged coupled device (CCD)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

44. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
USB Type A

45. How many pins is a DDR2 DIMM?
240
184
Liquid Crystal Display
DB-25

46. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
34
Front Side Bus.
Firewire 6-pin
PCIe - PCI - AGP - ESIA - and ISA

47. Before sending a power supply to the recycling facility...
Very brief time (milliseconds) of too little voltage
Front Side Bus.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.

48. Number of Pins for Drives: 4. FDD
Volatile
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
34

49. 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
RJ-45
Networking and Communications
Cathode Ray Tube

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
1600 x 1200
BIOS
CMOS
Input