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Test your basic knowledge |
Comptia A +: Hardware
Start Test
Study First
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. Parity is used in some _____________ - hard drives - and RAM.
Processing
Output
DB-15
Network communications
2. Serial ports have this many pins.
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9
3. LGA stands for ______.
Small Outline DIMM
Line Grid Array
CMOS
Standardization
4. What is a Sag?
Power failure
Very brief time (milliseconds) of too little voltage
VGA/SVGA monitor
Very Brief time (milliseconds) of too much voltage
5. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
184
34
PCIe - PCI - AGP - ESIA - and ISA
Serial
6. Ethernet network
removable chips on the motherboard
Componentization
CMOS
RJ-45
7. level three cache is located on _________.
Input
144
removable chips on the motherboard
Network communications
8. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
DB-15
Too little voltage
Redundant Array of Independant (Inexpensive) Disks.
9. Surge
34
Too much voltage
Cathode Ray Tube
RJ-11
10. What is a Blackout?
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.
Front Side Bus.
Power failure
order Boot sequence - Integrated devices - drive controllers - power supply settings
11. How many pins is a DDR2 DIMM?
240
Serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings
12. Internal modem or telephone
RJ-11
the CPU
DB-25
5.25
13. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Firmware
Radial Lines
Redundant Array of Independant (Inexpensive) Disks.
Liquid Crystal Display
14. What is DVD-RAM? and how is it used?
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on line
183
15. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Output
TRS
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.
240
16. How many pins is a DDR3 DIMM?
240
Very Brief time (milliseconds) of too much voltage
Cathode Ray Tube
RJ-45
17. Parallel devices connect to this connector.
3
DB-15
DB-25
Storage
18. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Front Side Bus.
Output
VGA/SVGA monitor
ECC
19. 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)
Redundant Array of Independant (Inexpensive) Disks.
CMOS
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.
20. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Network communications
BIOS
Output
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
21. CPUS: What is CISC?
detects and fixes corrupt data in RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick
Single Inline Memory Module - has 30 or 72 contacts on only one side.
22. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
B-9 serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1024 x 786
ECC
23. An example of a device that uses a TRS connector.
Networking and Communications
DB-25 parallel
Speaker
Coaxial
24. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Standardization
Random Access Memory (RAM)
25. What are the 4 main types of storage?
240
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
34
26. Number of Pins for Drives: 2. SCSI
Small Outline DIMM
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80
PCIe - PCI - AGP - ESIA - and ISA
27. Number of Pins for Drives: 4. FDD
order Boot sequence - Integrated devices - drive controllers - power supply settings
34
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
28. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
VGA/SVGA monitor
Redundant Array of Independant (Inexpensive) Disks.
Processing
29. XGA is ____x_____
1024 x 786
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
30. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
5.25
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.
31. PGA stands for
Liquid Crystal Display
Volatile
240
Pin Grid Array
32. 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.
Input
Standardization
Firmware
5.25
33. SCSI code is set by a 4 things - what are they?
the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
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.
34. CPUs: What is RISC?
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Speaker
1600 x 1200
35. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
USB Type A
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware
36. How many pins is a MICRODIMM DIMM?
144
5.25
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
37. 10Base-5 Ethernet and game ports use this cable
PS/2-style mouse
Componentization
DB-15
Error Correction Code.
38. Spike
Speaker
charged coupled device (CCD)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Very Brief time (milliseconds) of too much voltage
39. How many pins is a SODIMM DDR2 DIMM?
200
RJ-45
Too little voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
40. Level one cache is located on ___________.
verifying data integrity.
Hardware
the CPU
Software
41. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
DB-15
Software
TRS
tasks or 'Threads'
42. What is the formal name of the 'headphone jack'?
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
43. A serial mouse connects to a computer with this connector.
9-pin serial
Serial
Cache
5.25
44. Multiple core allow the PC to simultaneously process multiple ______.
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183
45. Level two cache is located on _______.
PCIe - PCI - AGP - ESIA - and ISA
the motherboard
Front Side Bus.
the CPU
46. What is Virtual RAM?
Error Correction Code.
184
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
47. 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.
Random Access Memory (RAM)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536
verifying data integrity.
48. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
BIOS
Standardization
charged coupled device (CCD)
49. What does CRT stand for?
7 or 15 (powered)
Cathode Ray Tube
Power failure
DB-15
50. What does ECC stand for?
Serial
Power failure
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.