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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Parity is used in some _____________ - hard drives - and RAM.
Coaxial
TRS
Network communications
PS/2-style mouse

2. SCSI code is set by a 4 things - what are they?
DB-15
DB-15
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
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.

3. SVGA is ____ x_____
PS/2-style mouse
800 x 600
VGA/SVGA monitor
removable chips on the motherboard

4. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
CMOS
ECC
Small Outline DIMM

5. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
ECC
5.25
2048 x 1536
1024 x 786

6. PGA stands for
Pin Grid Array
Line Grid Array
DB-15
Too little voltage

7. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Front Side Bus.
Processing
34
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.

8. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
removable chips on the motherboard
Liquid Crystal Display
Firewire 6-pin
Too little voltage

9. Level one cache is located on ___________.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Front Side Bus.
the CPU

10. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
RJ-11
Standardization
Input
Networking and Communications

11. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
50 - 68 - or 80
Storage
9
Hardware

12. Number of Pins for Drives: 3. SATA
Processing
800 x 600
7 or 15 (powered)
verifying data integrity.

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

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14. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Componentization
Firmware
DB-25 parallel

15. What is a Sag?
Very brief time (milliseconds) of too little voltage
charged coupled device (CCD)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
tasks or 'Threads'

16. What does LCD stand for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
4
Liquid Crystal Display

17. Internal modem or telephone
Random Access Memory (RAM)
7 or 15 (powered)
RJ-11
RJ-45

18. What are the 4 main types of storage?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.

19. 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.
CMOS
3
Single Inline Memory Module - has 30 or 72 contacts on only one side.

20. What does RIMM stand for?
Speaker
9-pin serial
Very Brief time (milliseconds) of too much voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

21. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Front Side Bus.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.

22. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Error Correction Code.
Too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

23. How many pins is a DDR2 DIMM?
Volatile
Cache
240
Firewire 6-pin

24. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Serial
removable chips on the motherboard
DB-25

25. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
1024 x 786
Radial Lines
RJ-11
34

26. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Joystick

27. What does ECC do?
2048 x 1536
9
Line Grid Array
detects and fixes corrupt data in RAM.

28. An example of a device that uses a high-density (three-row) DB-15 connector.
BIOS
VGA/SVGA monitor
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

29. 10Base-5 Ethernet and game ports use this cable
DB-15
BIOS
200
RJ-45

30. 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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
200
PCIe - PCI - AGP - ESIA - and ISA

31. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
200
BIOS
Software

32. A serial mouse connects to a computer with this connector.
9-pin serial
ECC
DB-25 parallel
Power failure

33. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
1024 x 786
Output
the CPU
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

34. 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.
RJ-45
Network communications
Networking and Communications
Input

35. RAID 5 has at least ___ hard drives.
3
Network communications
Standardization
CMOS

36. level three cache is located on _________.
800 x 600
removable chips on the motherboard
7 or 15 (powered)
Radial Lines

37. Number of Pins for Drives: 4. FDD
240
34
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

38. What is a Brownout?
1024 x 786
Too little voltage
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.
40 or 80

39. Before sending a power supply to the recycling facility...
34
Small Outline DIMM
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.
USB Type A

40. How many pins is a SODIMM DDR2 DIMM?
200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
USB Type A
PS/2-style mouse

41. LGA stands for ______.
Standardization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Line Grid Array
CMOS

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Random Access Memory (RAM)
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
Too little voltage

43. Ethernet network
240
RJ-45
ECC
Complex -Instruction - Set - Chips - Used in General Purpose PCs

44. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
verifying data integrity.

45. How many pins is a DDR3 DIMM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
5.25
PCIe - PCI - AGP - ESIA - and ISA
240

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

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47. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Power failure
Processing
Firmware

48. How many pins is a DDR DIMM?
verifying data integrity.
Software
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

49. 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
9-pin serial
Coaxial
200

50. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
removable chips on the motherboard
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
3

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Comptia A +: Hardware

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