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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 special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Pin Grid Array
Speaker
CMOS
Joystick

2. What is a Sag?
Very brief time (milliseconds) of too little voltage
5.25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube

3. 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.
Processing
Networking and Communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
200

4. What is the formal name of the 'headphone jack'?
VGA/SVGA monitor
1024 x 786
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ATX - BTX - Micro ATX - ITX - NLX - and LPX

5. What does SODIMM stand for?
Small Outline DIMM
Standardization
3
BIOS

6. SVGA is ____ x_____
Standardization
Storage
800 x 600
Hardware

7. What is Virtual RAM?
Power failure
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.
Error Correction Code.

8. Printers
Storage
Cathode Ray Tube
CMOS
DB-25 parallel

9. 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.
CMOS
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-15
Pin Grid Array

10. Number of Pins for Drives: 3. SATA
Front Side Bus.
7 or 15 (powered)
50 - 68 - or 80
Error Correction Code.

11. Serial ports have this many pins.
B-9 serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
9

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

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13. How many pins is a MICRODIMM DIMM?
Firmware
144
9-pin serial
Radial Lines

14. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
144
ECC
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15

15. LGA stands for ______.
Line Grid Array
VGA/SVGA monitor
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-15

16. What does ECC do?
DB-15
Processing
144
detects and fixes corrupt data in RAM.

17. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
50 - 68 - or 80
5.25
CMOS
Storage

18. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
verifying data integrity.
TRS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Power failure

19. An example of firmware.
184
BIOS
9
34

20. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9-pin serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Too much voltage

21. How many pins is a SODIMM DDR DIMM?
144
Storage
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.
RJ-11

22. What are the 6 form factors of motherboards?
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
Too much voltage

23. The BIOS is stored on the _______ chip that is on the motherboard.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
CMOS
VGA/SVGA monitor

24. 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.
USB Type A
240
184

25. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
the motherboard
800 x 600
Output
Redundant Array of Independant (Inexpensive) Disks.

26. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
detects and fixes corrupt data in RAM.
Hardware
40 or 80

27. What do the type types of Hard Drive acronyms stand for?
Joystick
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Serial

28. 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.
200
DB-25 parallel
Too much voltage
Componentization

29. 10Base-5 Ethernet and game ports use this cable
DB-15
Coaxial
tasks or 'Threads'
Very Brief time (milliseconds) of too much voltage

30. External modems most commonly connect to this port.
Serial
Error Correction Code.
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.
Very brief time (milliseconds) of too little voltage

31. Level one cache is located on ___________.
240
the CPU
40 or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs

32. Surge
verifying data integrity.
Processing
Too much voltage
5.25

33. How many pins is a DDR DIMM?
RJ-11
Front Side Bus.
184
144

34. How many pins is a DDR2 DIMM?
detects and fixes corrupt data in RAM.
240
ECC
CMOS

35. Ethernet network
RJ-45
240
144
Very brief time (milliseconds) of too little voltage

36. 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.
Speaker
Standardization
the CPU
tasks or 'Threads'

37. Before sending a power supply to the recycling facility...
Networking and Communications
Error Correction Code.
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

38. What does CRT stand for?
the motherboard
2048 x 1536
Cathode Ray Tube
Error Correction Code.

39. What does LCD stand for?
Very Brief time (milliseconds) of too much voltage
800 x 600
Liquid Crystal Display
CMOS

40. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
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.
Software
Processing
Volatile

41. An example of a device that uses a high-density (three-row) DB-15 connector.
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
VGA/SVGA monitor
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

42. CPUS: What is CISC?
Speaker
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25 parallel
RJ-11

43. What are the 4 main types of storage?
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.
PS/2-style mouse
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240

44. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
removable chips on the motherboard
CMOS
Front Side Bus.
Processing

45. SCSI code is set by a 4 things - what are they?
Hardware
7 or 15 (powered)
Very brief time (milliseconds) of too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

46. Parity is used in some _____________ - hard drives - and RAM.
Error Correction Code.
removable chips on the motherboard
3
Network communications

47. How many pins is a SODIMM DDR2 DIMM?
1600 x 1200
Hardware
Networking and Communications
200

48. What does ECC stand for?
Error Correction Code.
Network communications
Firewire 6-pin
144

49. What is a Brownout?
Too little voltage
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.
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.
USB Type A

50. XGA is ____x_____
1024 x 786
Network communications
ECC
Speaker