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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. How many pins is a DDR DIMM?
B-9 serial
Front Side Bus.
184
Error Correction Code.

2. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
1024 x 786
34
5.25
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.

3. An area of memory that holds recently-accessed data.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
B-9 serial
Cache
Small Outline DIMM

4. level three cache is located on _________.
Coaxial
Liquid Crystal Display
removable chips on the motherboard
RJ-11

5. XGA is ____x_____
Networking and Communications
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
1024 x 786

6. What is Virtual RAM?
detects and fixes corrupt data in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.
Too little voltage

7. What does ECC stand for?
RJ-45
184
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

8. The actual speed of the CPU is governed by a _______ setting called the clock rate.
ECC
Firewire 6-pin
CMOS
BIOS

9. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Software
Firewire 6-pin
50 - 68 - or 80
Speaker

10. 10Base-5 Ethernet and game ports use this cable
184
the CPU
DB-25 parallel
DB-15

11. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
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.
240
Power failure

12. CPUS: What is CISC?
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
order Boot sequence - Integrated devices - drive controllers - power supply settings

13. Level two cache is located on _______.
Volatile
B-9 serial
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.

14. What are the two types of RAM?
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Small Outline DIMM
TRS

15. 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.
Networking and Communications
9-pin serial
Hardware
Complex -Instruction - Set - Chips - Used in General Purpose PCs

16. What does CRT stand for?
Cathode Ray Tube
the CPU
Radial Lines
Firmware

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

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18. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.
charged coupled device (CCD)

19. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
USB Type A
PS/2-style mouse
Cathode Ray Tube

20. Ethernet network
Pin Grid Array
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS

21. An example of a device that uses a TRS connector.
9
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.
1024 x 786
Speaker

22. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Storage
144
Firmware
Joystick

23. RAID 5 has at least ___ hard drives.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Output
B-9 serial
3

24. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Hardware
DB-15
Redundant Array of Independant (Inexpensive) Disks.

25. Surge
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too much voltage
Firewire 6-pin
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

26. Level one cache is located on ___________.
Liquid Crystal Display
the CPU
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

27. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
VGA/SVGA monitor
CMOS
Redundant Array of Independant (Inexpensive) Disks.
Software

28. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
144
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. What does SODIMM stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Storage
Networking and Communications
Small Outline DIMM

30. What are the 4 main types of storage?
Cache
Processing
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

31. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
RJ-45
7 or 15 (powered)
4
tasks or 'Threads'

32. What is a Blackout?
Power failure
1024 x 786
Output
Serial

33. How many pins is a DDR2 DIMM?
Coaxial
240
Networking and Communications
Speaker

34. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
PCIe - PCI - AGP - ESIA - and ISA
CMOS
34
Volatile

35. What does ECC do?
50 - 68 - or 80
Liquid Crystal Display
detects and fixes corrupt data in RAM.
9-pin serial

36. What is a Brownout?
Too little voltage
Redundant Array of Independant (Inexpensive) Disks.
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.
RJ-45

37. PGA stands for
Power failure
detects and fixes corrupt data in RAM.
Pin Grid Array
Volatile

38. SCSI code is set by a 4 things - what are they?
7 or 15 (powered)
Power failure
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Volatile

39. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Firewire 6-pin
Liquid Crystal Display
the motherboard

40. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Storage
9
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

41. How many pins is a SODIMM DDR DIMM?
144
Firewire 6-pin
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Componentization

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

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43. An example of a device that uses a 6-pin Mini-DIN connector.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
BIOS
PS/2-style mouse
Error Correction Code.

44. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
DB-15
Redundant Array of Independant (Inexpensive) Disks.
Standardization
Hardware

45. QXGA is ____x____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
2048 x 1536
Too little voltage
4

46. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Input
ECC
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

47. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Power failure
Coaxial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

48. What does SIMM stand for?
BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firmware
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.

49. SDRAM sands for _______.
Coaxial
184
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
detects and fixes corrupt data in RAM.

50. SVGA is ____ x_____
DB-15
7 or 15 (powered)
800 x 600
Componentization