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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. What does SODIMM stand for?
Random Access Memory (RAM)
DB-15
Small Outline DIMM
Too much voltage

2. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
tasks or 'Threads'
Firewire 6-pin
Hardware
ECC

3. PGA stands for
USB Type A
2048 x 1536
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Pin Grid Array

4. What is a Blackout?
DB-25 parallel
Power failure
CMOS
removable chips on the motherboard

5. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
BIOS
Cathode Ray Tube
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

6. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Pin Grid Array
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.
detects and fixes corrupt data in RAM.

7. A temporary data storage location that can be read from and written to.
Standardization
the motherboard
Random Access Memory (RAM)
Hardware

8. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Pin Grid Array
Joystick
TRS

9. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
USB Type A
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
removable chips on the motherboard
ECC

10. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
34
Line Grid Array
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.
Input

11. What does ECC stand for?
Input
Pin Grid Array
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

12. SVGA is ____ x_____
Input
Cache
800 x 600
Radial Lines

13. QXGA is ____x____
B-9 serial
Standardization
2048 x 1536
Too little voltage

14. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firmware
Pin Grid Array
Radial Lines

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
Very Brief time (milliseconds) of too much voltage
USB Type A
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.

16. An example of a device that uses a low-density (two-row) male DB-15 connector.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Software
Joystick
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

17. LGA stands for ______.
Volatile
removable chips on the motherboard
40 or 80
Line Grid Array

18. What does CRT stand for?
Cathode Ray Tube
3
Volatile
VGA/SVGA monitor

19. Before sending a power supply to the recycling facility...
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
Line Grid Array
CMOS

20. 10Base-2 Ethernet uses this cable.
144
Firmware
Coaxial
Networking and Communications

21. 10Base-5 Ethernet and game ports use this cable
DB-15
1024 x 786
800 x 600
7 or 15 (powered)

22. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
charged coupled device (CCD)

23. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
order Boot sequence - Integrated devices - drive controllers - power supply settings
TRS
PS/2-style mouse
USB Type A

24. How many pins is a DDR3 DIMM?
240
the CPU
Serial
ECC

25. What does ECC do?
detects and fixes corrupt data in RAM.
144
Radial Lines
Input

26. SCSI code is set by a 4 things - what are they?
RJ-11
Software
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

27. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80
CMOS
Input

28. An example of firmware.
BIOS
Redundant Array of Independant (Inexpensive) Disks.
144
BIOS

29. The actual speed of the CPU is governed by a _______ setting called the clock rate.
tasks or 'Threads'
BIOS
B-9 serial
Too little voltage

30. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
charged coupled device (CCD)
BIOS
9

31. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Speaker
removable chips on the motherboard
184

32. A serial mouse connects to a computer with this connector.
1024 x 786
Standardization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial

33. 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.
Hardware
Power failure
Front Side Bus.

34. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-15
Power failure
Storage
3

35. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ECC
184
Networking and Communications

36. What is a Sag?
2048 x 1536
Very brief time (milliseconds) of too little voltage
DB-25 parallel
Coaxial

37. Level two cache is located on _______.
Pin Grid Array
Output
tasks or 'Threads'
the motherboard

38. How many pins is a MICRODIMM DIMM?
Very brief time (milliseconds) of too little voltage
VGA/SVGA monitor
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

39. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

40. How many pins is a DDR DIMM?
184
Storage
9-pin serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

41. Number of Pins for Drives: 3. SATA
2048 x 1536
CMOS
Output
7 or 15 (powered)

42. An example of a device that uses a TRS connector.
Too much voltage
1600 x 1200
Speaker
Error Correction Code.

43. What is the formal name of the 'headphone jack'?
144
800 x 600
DB-25 parallel
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

44. Serial mouse or external modem
ECC
B-9 serial
Software
verifying data integrity.

45. An example of a device that uses a high-density (three-row) DB-15 connector.
1600 x 1200
Input
VGA/SVGA monitor
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

46. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
50 - 68 - or 80

47. External modems most commonly connect to this port.
240
Serial
Speaker
TRS

48. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Output
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Front Side Bus.

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

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50. 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.
USB Type A
Volatile
1024 x 786
Networking and Communications