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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 does ECC do?
detects and fixes corrupt data in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
VGA/SVGA monitor

2. What does RIMM stand for?
RJ-11
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200
Radial Lines

3. What does LCD stand for?
184
PCIe - PCI - AGP - ESIA - and ISA
Liquid Crystal Display
200

4. Number of Pins for Drives: 4. FDD
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
34
Joystick

5. A temporary data storage location that can be read from and written to.
Volatile
Speaker
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.

6. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
VGA/SVGA monitor
34
Output
DB-25 parallel

7. level three cache is located on _________.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard
Network communications
BIOS

8. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

9. The actual speed of the CPU is governed by a _______ setting called the clock rate.
2048 x 1536
9
Too little voltage
BIOS

10. 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.
4
Error Correction Code.
BIOS
Networking and Communications

11. What is a Brownout?
Liquid Crystal Display
Too little voltage
RJ-45
PS/2-style mouse

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

13. RAID 5 has at least ___ hard drives.
Error Correction Code.
3
Input
Cathode Ray Tube

14. Parallel devices connect to this connector.
Standardization
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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

15. An example of a device that uses a low-density (two-row) male DB-15 connector.
Too much voltage
ECC
Input
Joystick

16. SCSI code is set by a 4 things - what are they?
Very Brief time (milliseconds) of too much voltage
Cache
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Volatile

17. 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.
Cache
Firmware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Standardization

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

19. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Coaxial
Speaker
USB Type A
DB-25 parallel

20. An example of a device that uses a high-density (three-row) DB-15 connector.
the motherboard
USB Type A
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
VGA/SVGA monitor

21. Number of Pins for Drives: 2. SCSI
ECC
B-9 serial
Software
50 - 68 - or 80

22. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
RJ-11
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS
DB-15

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Input
RJ-11
Cathode Ray Tube

24. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
TRS
the CPU
verifying data integrity.
charged coupled device (CCD)

25. Spike
7 or 15 (powered)
9
Very brief time (milliseconds) of too little voltage
Very Brief time (milliseconds) of too much voltage

26. How many pins is a DDR DIMM?
184
ECC
the motherboard
Random Access Memory (RAM)

27. What does SODIMM stand for?
9-pin serial
Joystick
CMOS
Small Outline DIMM

28. Parity is used in some _____________ - hard drives - and RAM.
800 x 600
Network communications
PCIe - PCI - AGP - ESIA - and ISA
240

29. What does SIMM stand for?
9-pin serial
verifying data integrity.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-45

30. Serial mouse or external modem
4
BIOS
B-9 serial
detects and fixes corrupt data in RAM.

31. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA
Storage
Front Side Bus.

32. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard
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

33. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
7 or 15 (powered)

34. Internal modem or telephone
Network communications
RJ-11
1024 x 786
Pin Grid Array

35. PGA stands for
4
DB-25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Pin Grid Array

36. What is VRAM used for?
Too little voltage
9-pin serial
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

37. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
4
Radial Lines
Coaxial

38. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
B-9 serial
DB-15
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

39. What are the 4 main types of storage?
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Processing
34

40. QXGA is ____x____
Liquid Crystal Display
2048 x 1536
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Complex -Instruction - Set - Chips - Used in General Purpose PCs
TRS
184

42. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
9
TRS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Volatile

43. An area of memory that holds recently-accessed data.
Small Outline DIMM
Speaker
Cache
RJ-11

44. BIOS allows you to do 4 things - what are they?
1600 x 1200
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15
34

45. 10Base-2 Ethernet uses this cable.
Joystick
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
Componentization

46. Ethernet network
Coaxial
RJ-45
DB-25 parallel
200

47. An example of a device that uses a 6-pin Mini-DIN connector.
USB Type A
PS/2-style mouse
Very brief time (milliseconds) of too little voltage
144

48. How many pins is a DDR3 DIMM?
240
50 - 68 - or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
B-9 serial

49. How many pins is a DDR2 DIMM?
240
34
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

50. A serial mouse connects to a computer with this connector.
Serial
9-pin serial
Input
BIOS