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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 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
BIOS
144
200

2. PGA stands for
Pin Grid Array
RJ-11
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

3. XGA is ____x_____
Volatile
1024 x 786
the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

4. 10Base-5 Ethernet and game ports use this cable
Networking and Communications
DB-15
PCIe - PCI - AGP - ESIA - and ISA
Error Correction Code.

5. A serial mouse connects to a computer with this connector.
verifying data integrity.
9-pin serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware

6. What does LCD stand for?
VGA/SVGA monitor
Software
removable chips on the motherboard
Liquid Crystal Display

7. Parallel devices connect to this connector.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-25
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.
50 - 68 - or 80

8. What is Virtual RAM?
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.
Componentization
40 or 80
50 - 68 - or 80

9. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
50 - 68 - or 80
Componentization
4
9-pin serial

10. What does ECC do?
detects and fixes corrupt data in RAM.
200
Network communications
the motherboard

11. A type of memory that loses data when the power is no longer supplied to the component.
CMOS
Volatile
RJ-45
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.

12. What does CRT stand for?
Small Outline DIMM
Cathode Ray Tube
5.25
Hardware

13. Surge
144
Too much voltage
DB-15
PS/2-style mouse

14. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
3
ECC
Cache
Line Grid Array

15. Printers
DB-25 parallel
DB-15
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.
1600 x 1200

16. Ethernet network
Volatile
40 or 80
Processing
RJ-45

17. What does ECC stand for?
removable chips on the motherboard
Error Correction Code.
ECC
144

18. What is a Blackout?
Cache
34
Power failure
50 - 68 - or 80

19. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Serial

20. Level one cache is located on ___________.
the CPU
removable chips on the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Front Side Bus.

21. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15
CMOS

22. Parity is used in some _____________ - hard drives - and RAM.
144
2048 x 1536
240
Network communications

23. What is a Brownout?
Processing
Too much voltage
Too little voltage
Speaker

24. SDRAM sands for _______.
verifying data integrity.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2048 x 1536
40 or 80

25. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
removable chips on the motherboard
Too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

26. Number of Pins for Drives: 3. SATA
RJ-45
the CPU
B-9 serial
7 or 15 (powered)

27. RAID 5 has at least ___ hard drives.
800 x 600
BIOS
3
PS/2-style mouse

28. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
144
4
800 x 600

29. What does SIMM stand for?
144
Liquid Crystal Display
Software
Single Inline Memory Module - has 30 or 72 contacts on only one side.

30. How many pins is a DDR2 DIMM?
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

31. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
800 x 600
Very brief time (milliseconds) of too little voltage
3

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

33. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Firmware
removable chips on the motherboard
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.

34. Spike
9
Very Brief time (milliseconds) of too much voltage
Too much voltage
7 or 15 (powered)

35. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
144
tasks or 'Threads'
Serial

36. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
DB-15
Joystick
5.25
PCIe - PCI - AGP - ESIA - and ISA

37. 10Base-2 Ethernet uses this cable.
CMOS
Speaker
240
Coaxial

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

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39. SVGA is ____ x_____
Error Correction Code.
Componentization
800 x 600
Complex -Instruction - Set - Chips - Used in General Purpose PCs

40. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Serial
B-9 serial
BIOS
144

41. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
PCIe - PCI - AGP - ESIA - and ISA
Volatile
Too little voltage
Input

42. An example of firmware.
Storage
BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very Brief time (milliseconds) of too much voltage

43. An example of a device that uses a low-density (two-row) male DB-15 connector.
Hardware
Joystick
Small Outline DIMM
1024 x 786

44. Serial mouse or external modem
Very Brief time (milliseconds) of too much voltage
Pin Grid Array
Output
B-9 serial

45. 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)
the CPU
Front Side Bus.
Software
BIOS

46. 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.
Pin Grid Array
DB-15
B-9 serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

47. An example of a device that uses a high-density (three-row) DB-15 connector.
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.
BIOS
Pin Grid Array
VGA/SVGA monitor

48. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
BIOS
CMOS
PS/2-style mouse
verifying data integrity.

49. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
240
34

50. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Very brief time (milliseconds) of too little voltage
CMOS
CMOS