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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 6 form factors of motherboards?
Processing
charged coupled device (CCD)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

2. The actual speed of the CPU is governed by a _______ setting called the clock rate.
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.
Software
BIOS

3. Printers
DB-25 parallel
verifying data integrity.
VGA/SVGA monitor
4

4. What does LCD stand for?
Liquid Crystal Display
1600 x 1200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
34

5. Surge
Too much voltage
Standardization
USB Type A
B-9 serial

6. A serial mouse connects to a computer with this connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
9-pin serial
removable chips on the motherboard
DB-25

7. What is the formal name of the 'headphone jack'?
TRS
184
Pin Grid Array
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

8. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
3
Radial Lines
ECC
Single Inline Memory Module - has 30 or 72 contacts on only one side.

9. RAID 5 has at least ___ hard drives.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
3
9-pin serial
800 x 600

10. Number of Pins for Drives: 3. SATA
TRS
7 or 15 (powered)
Componentization
Joystick

11. Internal modem or telephone
50 - 68 - or 80
PS/2-style mouse
RJ-11
Network communications

12. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage
144
Coaxial

13. level three cache is located on _________.
PS/2-style mouse
Error Correction Code.
RJ-45
removable chips on the motherboard

14. SDRAM sands for _______.
CMOS
Very brief time (milliseconds) of too little voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard

15. What is a Blackout?
Front Side Bus.
DB-15
Power failure
Complex -Instruction - Set - Chips - Used in General Purpose PCs

16. PGA stands for
VGA/SVGA monitor
Pin Grid Array
TRS
9

17. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick
Very Brief time (milliseconds) of too much voltage

18. What is Virtual RAM?
PS/2-style mouse
verifying data integrity.
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.
Pin Grid Array

19. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output
ECC
Componentization

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Cathode Ray Tube
240
Standardization

21. Ethernet network
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144
RJ-45
4

22. Serial mouse or external modem
5.25
Cathode Ray Tube
3
B-9 serial

23. An example of firmware.
Random Access Memory (RAM)
BIOS
50 - 68 - or 80
Small Outline DIMM

24. How many pins is a MICRODIMM DIMM?
144
BIOS
DB-25
Componentization

25. Number of Pins for Drives: 4. FDD
detects and fixes corrupt data in RAM.
34
Componentization
Front Side Bus.

26. SCSI code is set by a 4 things - what are they?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PS/2-style mouse
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
USB Type A

27. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
USB Type A
Networking and Communications
Network communications

28. 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)
detects and fixes corrupt data in RAM.
TRS
DB-25 parallel

29. ZIF stands for ______.
RJ-45
Random Access Memory (RAM)
USB Type A
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.

30. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ECC
Input

31. What does SODIMM stand for?
Small Outline DIMM
BIOS
charged coupled device (CCD)
1024 x 786

32. Level one cache is located on ___________.
CMOS
Line Grid Array
Single Inline Memory Module - has 30 or 72 contacts on only one side.
the CPU

33. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
order Boot sequence - Integrated devices - drive controllers - power supply settings
40 or 80
B-9 serial
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.

34. An example of a device that uses a 6-pin Mini-DIN connector.
240
DB-15
4
PS/2-style mouse

35. SVGA is ____ x_____
800 x 600
Hardware
the CPU
CMOS

36. What does CRT stand for?
verifying data integrity.
B-9 serial
240
Cathode Ray Tube

37. How many pins is a DDR DIMM?
DB-25
240
Cache
184

38. 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.
BIOS
Storage
Serial
verifying data integrity.

39. Number of Pins for Drives: 2. SCSI
the CPU
Coaxial
50 - 68 - or 80
34

40. Level two cache is located on _______.
DB-25 parallel
the motherboard
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

41. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Cache
800 x 600
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

42. What is VRAM used for?
1024 x 786
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Output
Pin Grid Array

43. How many pins is a DDR3 DIMM?
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
50 - 68 - or 80
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

44. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
TRS
DB-25

45. An example of a device that uses a TRS connector.
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.
Front Side Bus.
Speaker

46. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Small Outline DIMM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
4

47. What are the 4 main types of storage?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25 parallel
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.

48. 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.
charged coupled device (CCD)
Error Correction Code.
Too much voltage
Networking and Communications

49. A temporary data storage location that can be read from and written to.
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Small Outline DIMM
Random Access Memory (RAM)

50. How many pins is a DDR2 DIMM?
40 or 80
240
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
3