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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. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
1024 x 786
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage
TRS

2. The BIOS is stored on the _______ chip that is on the motherboard.
B-9 serial
CMOS
800 x 600
the CPU

3. What does ECC stand for?
2048 x 1536
Firewire 6-pin
Error Correction Code.
Processing

4. An example of firmware.
BIOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Firewire 6-pin
3

5. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Joystick
USB Type A
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 CPU

6. Level one cache is located on ___________.
Front Side Bus.
Joystick
the CPU
Line Grid Array

7. Serial ports have this many pins.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
9
Standardization
removable chips on the motherboard

8. An example of a device that uses a low-density (two-row) male DB-15 connector.
Volatile
Standardization
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs

9. How many pins is a DDR3 DIMM?
Cathode Ray Tube
240
DB-25 parallel
VGA/SVGA monitor

10. A serial mouse connects to a computer with this connector.
1600 x 1200
Network communications
DB-25 parallel
9-pin serial

11. The actual speed of the CPU is governed by a _______ setting called the clock rate.
CMOS
verifying data integrity.
BIOS
800 x 600

12. 10Base-2 Ethernet uses this cable.
144
Coaxial
TRS
184

13. 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
Speaker
DB-15
34

14. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Very brief time (milliseconds) of too little voltage
Speaker
detects and fixes corrupt data in RAM.

15. What does SIMM stand for?
Very Brief time (milliseconds) of too much voltage
DB-25 parallel
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Single Inline Memory Module - has 30 or 72 contacts on only one side.

16. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Network communications
Too much voltage
USB Type A

17. Printers
DB-25 parallel
CMOS
Network communications
Coaxial

18. What is a Sag?
Very brief time (milliseconds) of too little voltage
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure

19. SCSI code is set by a 4 things - what are they?
removable chips on the motherboard
Storage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Software

20. External modems most commonly connect to this port.
Serial
Very Brief time (milliseconds) of too much voltage
B-9 serial
CMOS

21. An example of a device that uses a 6-pin Mini-DIN connector.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Radial Lines
PS/2-style mouse
RJ-11

22. QXGA is ____x____
ECC
Joystick
Output
2048 x 1536

23. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
Random Access Memory (RAM)
2048 x 1536
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

24. Serial mouse or external modem
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
B-9 serial
Output

25. Spike
order Boot sequence - Integrated devices - drive controllers - power supply settings
Coaxial
CMOS
Very Brief time (milliseconds) of too much voltage

26. 10Base-5 Ethernet and game ports use this cable
Joystick
Hardware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15

27. Parallel devices connect to this connector.
Too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

28. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Cathode Ray Tube
Small Outline DIMM
Front Side Bus.
184

29. CPUS: What is CISC?
Network communications
Standardization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9

30. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
1600 x 1200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Standardization
4

31. What does RIMM stand for?
the motherboard
Very brief time (milliseconds) of too little voltage
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

32. 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.
Liquid Crystal Display
Very brief time (milliseconds) of too little voltage
Input

33. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Storage
5.25
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.
Front Side Bus.

34. What is a Brownout?
Power failure
Line Grid Array
Too little voltage
DB-25 parallel

35. 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.
Standardization
Line Grid Array
Speaker
Networking and Communications

36. LGA stands for ______.
Storage
the CPU
Line Grid Array
144

37. 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.
7 or 15 (powered)
DB-25
Speaker

38. Level two cache is located on _______.
Network communications
144
USB Type A
the motherboard

39. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
9
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
3

40. How many pins is a MICRODIMM DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
7 or 15 (powered)
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

41. What are the 4 main types of storage?
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
Output
3

42. What does CRT stand for?
Componentization
Cathode Ray Tube
the CPU
BIOS

43. What does LCD stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Liquid Crystal Display
Standardization
Single Inline Memory Module - has 30 or 72 contacts on only one side.

44. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-25
Storage
Firmware
9

45. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Radial Lines
Input
Network communications
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

46. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Software
5.25
3
charged coupled device (CCD)

47. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
3
removable chips on the motherboard
CMOS
Standardization

48. SVGA is ____ x_____
800 x 600
Line Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1600 x 1200

49. What does SODIMM stand for?
Small Outline DIMM
Network communications
VGA/SVGA monitor
40 or 80

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

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