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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 two types of RAM?
Power failure
RJ-11
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ECC

2. What does ECC do?
9-pin serial
detects and fixes corrupt data in RAM.
DB-15
Random Access Memory (RAM)

3. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200
Networking and Communications
144

4. 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.
Error Correction Code.
Networking and Communications
2048 x 1536
Very Brief time (milliseconds) of too much voltage

5. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output
Single Inline Memory Module - has 30 or 72 contacts on only one side.
detects and fixes corrupt data in RAM.

6. Internal modem or telephone
RJ-11
3
Power failure
charged coupled device (CCD)

7. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
tasks or 'Threads'
Serial
Processing

8. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PS/2-style mouse
VGA/SVGA monitor
Volatile

9. What does LCD stand for?
9
Liquid Crystal Display
Firmware
Processing

10. What are the 4 main types of storage?
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
tasks or 'Threads'

11. What is a Sag?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
charged coupled device (CCD)
RJ-45
Very brief time (milliseconds) of too little voltage

12. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
CMOS
Too much voltage
5.25

13. How many pins is a DDR2 DIMM?
PS/2-style mouse
2048 x 1536
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

14. 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.
Cathode Ray Tube
40 or 80
Componentization
order Boot sequence - Integrated devices - drive controllers - power supply settings

15. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
RJ-45
40 or 80
144
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

16. BIOS allows you to do 4 things - what are they?
Small Outline DIMM
RJ-45
order Boot sequence - Integrated devices - drive controllers - power supply settings
detects and fixes corrupt data in RAM.

17. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
50 - 68 - or 80
5.25
Single Inline Memory Module - has 30 or 72 contacts on only one side.

18. What does ECC stand for?
Random Access Memory (RAM)
144
Error Correction Code.
240

19. Before sending a power supply to the recycling facility...
Processing
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.
3

20. Parallel devices connect to this connector.
Hardware
1024 x 786
Network communications
DB-25

21. What does SIMM stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the CPU
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Liquid Crystal Display

22. 10Base-2 Ethernet uses this cable.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Coaxial
Firmware
9-pin serial

23. The BIOS is stored on the _______ chip that is on the motherboard.
PCIe - PCI - AGP - ESIA - and ISA
CMOS
Very brief time (milliseconds) of too little voltage
USB Type A

24. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
charged coupled device (CCD)
9-pin serial
tasks or 'Threads'
verifying data integrity.

25. CPUS: What is CISC?
Firewire 6-pin
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Network communications

26. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Redundant Array of Independant (Inexpensive) Disks.

27. What is the formal name of the 'headphone jack'?
Coaxial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Error Correction Code.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
2048 x 1536

29. SCSI code is set by a 4 things - what are they?
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

30. External modems most commonly connect to this port.
Hardware
1024 x 786
Serial
Software

31. What does SODIMM stand for?
Firmware
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.
Very brief time (milliseconds) of too little voltage

32. How many pins is a SODIMM DDR2 DIMM?
200
CMOS
3
Error Correction Code.

33. What is a Brownout?
Error Correction Code.
2048 x 1536
9
Too little voltage

34. Surge
Radial Lines
DB-25 parallel
144
Too much voltage

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

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36. What does CRT stand for?
Cathode Ray Tube
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage

37. ZIF stands for ______.
charged coupled device (CCD)
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.
Error Correction Code.
Standardization

38. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
Networking and Communications
PCIe - PCI - AGP - ESIA - and ISA
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.

39. Number of Pins for Drives: 4. FDD
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25 parallel
34
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

40. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Storage
Line Grid Array
9-pin serial
BIOS

41. LGA stands for ______.
184
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Line Grid Array
tasks or 'Threads'

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Redundant Array of Independant (Inexpensive) Disks.
RJ-45
Pin Grid Array
Hardware

43. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Standardization
144
Very Brief time (milliseconds) of too much voltage

44. Number of Pins for Drives: 2. SCSI
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
50 - 68 - or 80
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

45. A serial mouse connects to a computer with this connector.
CMOS
34
9-pin serial
184

46. An example of a device that uses a TRS connector.
Speaker
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25 parallel
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

47. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage
240
Front Side Bus.

48. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
1024 x 786
CMOS

49. RAID 5 has at least ___ hard drives.
RJ-11
Error Correction Code.
Speaker
3

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
2048 x 1536
144
Input
tasks or 'Threads'