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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. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
240
Firewire 6-pin
RJ-11

2. How many pins is a MICRODIMM DIMM?
7 or 15 (powered)
144
Input
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

3. What is a Brownout?
Standardization
Too little voltage
9-pin serial
charged coupled device (CCD)

4. A type of memory that loses data when the power is no longer supplied to the component.
240
Volatile
Front Side Bus.
RJ-45

5. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
RJ-45
Hardware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
800 x 600

6. What are the 6 form factors of motherboards?
Firmware
184
RJ-45
ATX - BTX - Micro ATX - ITX - NLX - and LPX

7. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Componentization
Too much voltage
Output
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

8. BIOS allows you to do 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

9. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
BIOS
Cache
PCIe - PCI - AGP - ESIA - and ISA
Small Outline DIMM

10. QXGA is ____x____
4
9
Too much voltage
2048 x 1536

11. SDRAM sands for _______.
Hardware
DB-25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard

12. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
BIOS
Very Brief time (milliseconds) of too much voltage
Joystick

13. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1024 x 786

14. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
34
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS
charged coupled device (CCD)

15. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Networking and Communications
9-pin serial
CMOS
Joystick

16. External modems most commonly connect to this port.
removable chips on the motherboard
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
200
Serial

17. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
the CPU
TRS
4

18. LGA stands for ______.
Line Grid Array
order Boot sequence - Integrated devices - drive controllers - power supply settings
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard

19. Internal modem or telephone
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
USB Type A
Standardization
RJ-11

20. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
34
5.25
DB-25
USB Type A

21. How many pins is a DDR3 DIMM?
240
BIOS
charged coupled device (CCD)
Network communications

22. 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
Volatile
200
144

23. Parallel devices connect to this connector.
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.
Network communications
DB-25

24. Number of Pins for Drives: 4. FDD
Very Brief time (milliseconds) of too much voltage
Hardware
34
PCIe - PCI - AGP - ESIA - and ISA

25. 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.
Input
Too much voltage
VGA/SVGA monitor
Networking and Communications

26. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
Storage
Cache
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

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

28. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
CMOS
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

29. SCSI code is set by a 4 things - what are they?
CMOS
144
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45

30. An example of a device that uses a low-density (two-row) male DB-15 connector.
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
Joystick

31. 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.
Very brief time (milliseconds) of too little voltage
Standardization
DB-25
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.

32. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
144
Hardware
Redundant Array of Independant (Inexpensive) Disks.
ECC

33. XGA is ____x_____
Hardware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Cache
1024 x 786

34. An example of a device that uses a TRS connector.
Small Outline DIMM
Networking and 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.
Speaker

35. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
144
Power failure
CMOS
TRS

36. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Joystick
DB-25 parallel
removable chips on the motherboard

37. An area of memory that holds recently-accessed data.
200
Serial
Cache
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

38. An example of firmware.
Very Brief time (milliseconds) of too much voltage
DB-15
200
BIOS

39. Surge
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Too much voltage
RJ-45
Output

40. 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.
Componentization
DB-25 parallel
PS/2-style mouse
BIOS

41. Level one cache is located on ___________.
the CPU
Too little voltage
Networking and Communications
PS/2-style mouse

42. ZIF stands for ______.
Firewire 6-pin
Serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
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.

43. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Random Access Memory (RAM)

44. What does ECC do?
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.
1024 x 786
184

45. What is a Sag?
Speaker
Very brief time (milliseconds) of too little voltage
Networking and Communications
Processing

46. How many pins is a DDR2 DIMM?
CMOS
240
the motherboard
Standardization

47. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage
Error Correction Code.

48. What is a Blackout?
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.
DB-15
Power failure
Pin Grid Array

49. What is Virtual RAM?
3
the motherboard
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.
VGA/SVGA monitor

50. A serial mouse connects to a computer with this connector.
3
B-9 serial
9-pin serial
DB-15