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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. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
200

2. What does LCD stand for?
BIOS
Very Brief time (milliseconds) of too much voltage
USB Type A
Liquid Crystal Display

3. How many pins is a DDR DIMM?
40 or 80
Redundant Array of Independant (Inexpensive) Disks.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
184

4. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

5. Serial ports have this many pins.
Too much voltage
800 x 600
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

6. An example of firmware.
DB-15
DB-25
the motherboard
BIOS

7. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
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.
DB-15
40 or 80

8. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
RJ-11
Single Inline Memory Module - has 30 or 72 contacts on only one side.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

9. BIOS allows you to do 4 things - what are they?
Liquid Crystal Display
Very brief time (milliseconds) of too little voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
order Boot sequence - Integrated devices - drive controllers - power supply settings

10. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
DB-25
DB-15
CMOS
RJ-45

11. LGA stands for ______.
144
1024 x 786
RJ-11
Line Grid Array

12. 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.
verifying data integrity.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1600 x 1200
Too little voltage

13. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Cathode Ray Tube
the motherboard
3

14. UXGA is _____x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1600 x 1200
Too little voltage
Cathode Ray Tube

15. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Network communications
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
CMOS

16. Level one cache is located on ___________.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firmware
the CPU
Random Access Memory (RAM)

17. How many pins is a SODIMM DDR2 DIMM?
200
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
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.

18. 10Base-2 Ethernet uses this cable.
Coaxial
Random Access Memory (RAM)
34
CMOS

19. Serial mouse or external modem
DB-15
B-9 serial
Small Outline DIMM
Complex -Instruction - Set - Chips - Used in General Purpose PCs

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

21. Spike
order Boot sequence - Integrated devices - drive controllers - power supply settings
Very Brief time (milliseconds) of too much voltage
USB Type A
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

22. External modems most commonly connect to this port.
Serial
DB-15
USB Type A
240

23. SCSI code is set by a 4 things - what are they?
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
TRS
1024 x 786

24. What is the formal name of the 'headphone jack'?
Firmware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240
Joystick

25. What does ECC do?
Joystick
detects and fixes corrupt data in RAM.
Very brief time (milliseconds) of too little voltage
Random Access Memory (RAM)

26. An example of a device that uses a low-density (two-row) male DB-15 connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
order Boot sequence - Integrated devices - drive controllers - power supply settings
Joystick
40 or 80

27. 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
Firewire 6-pin
9-pin serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

28. What does SODIMM stand for?
RJ-11
Serial
184
Small Outline DIMM

29. Parallel devices connect to this connector.
DB-25
Power failure
240
Speaker

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

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31. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Cathode Ray Tube
Small Outline DIMM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

32. What is a Sag?
Very brief time (milliseconds) of too little voltage
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array

33. Number of Pins for Drives: 4. FDD
Storage
CMOS
34
Cache

34. Ethernet network
RJ-45
BIOS
Standardization
Componentization

35. The BIOS is stored on the _______ chip that is on the motherboard.
34
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Componentization
CMOS

36. Printers
order Boot sequence - Integrated devices - drive controllers - power supply settings
200
CMOS
DB-25 parallel

37. Internal modem or telephone
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.
Very Brief time (milliseconds) of too much voltage
RJ-11
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

38. What is Virtual RAM?
200
Input
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.
verifying data integrity.

39. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial
Front Side Bus.
1600 x 1200

40. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
9
PCIe - PCI - AGP - ESIA - and ISA

41. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Small Outline DIMM
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

42. What does ECC stand for?
Too much voltage
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.
the CPU
Error Correction Code.

43. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Hardware
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.
removable chips on the motherboard
5.25

44. XGA is ____x_____
1024 x 786
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.
PS/2-style mouse
CMOS

45. How many pins is a DDR2 DIMM?
240
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

46. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Firewire 6-pin
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.
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.

47. Surge
Componentization
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.
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.
Too much voltage

48. QXGA is ____x____
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
2048 x 1536
RJ-11

49. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Processing
Storage
Firewire 6-pin
the CPU

50. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Redundant Array of Independant (Inexpensive) Disks.
Speaker
USB Type A
5.25