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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. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Storage
Small Outline DIMM
USB Type A
144
2. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.
3. SVGA is ____ x_____
800 x 600
Input
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Output
4. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
charged coupled device (CCD)
Firmware
TRS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
5. Parity is used in some _____________ - hard drives - and RAM.
Storage
TRS
5.25
Network communications
6. An example of firmware.
BIOS
240
Processing
7 or 15 (powered)
7. What is a Blackout?
Power failure
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Small Outline DIMM
1024 x 786
8. Ethernet network
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.
BIOS
144
RJ-45
9. What is Virtual RAM?
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.
4
240
VGA/SVGA monitor
10. What does CRT stand for?
Small Outline DIMM
Cathode Ray Tube
Serial
Too much voltage
11. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Software
7 or 15 (powered)
Line Grid Array
12. Serial mouse or external modem
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Random Access Memory (RAM)
Hardware
B-9 serial
13. PGA stands for
Joystick
Small Outline DIMM
Liquid Crystal Display
Pin Grid Array
14. 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.
Processing
Standardization
Coaxial
Error Correction Code.
15. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
50 - 68 - or 80
Storage
Hardware
16. A temporary data storage location that can be read from and written to.
Hardware
PCIe - PCI - AGP - ESIA - and ISA
800 x 600
Random Access Memory (RAM)
17. Spike
charged coupled device (CCD)
Very Brief time (milliseconds) of too much voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
verifying data integrity.
18. What is a Brownout?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9
BIOS
Too little voltage
19. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Serial
Processing
Hardware
Pin Grid Array
20. 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.
3
2048 x 1536
Speaker
Networking and Communications
21. SDRAM sands for _______.
Software
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure
22. 10Base-2 Ethernet uses this cable.
DB-25
Coaxial
7 or 15 (powered)
Pin Grid Array
23. How many pins is a DDR2 DIMM?
144
40 or 80
240
Standardization
24. An example of a device that uses a TRS connector.
Line Grid Array
Speaker
Small Outline DIMM
Network communications
25. 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.
Cathode Ray Tube
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15
26. RAID stands for _________.
Networking and Communications
Redundant Array of Independant (Inexpensive) Disks.
DB-15
CMOS
27. How many pins is a SODIMM DDR2 DIMM?
Networking and Communications
detects and fixes corrupt data in RAM.
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.
200
28. What does ECC do?
detects and fixes corrupt data in RAM.
Speaker
Front Side Bus.
34
29. What does ECC stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
detects and fixes corrupt data in RAM.
Error Correction Code.
tasks or 'Threads'
30. How many pins is a SODIMM DDR DIMM?
144
Line Grid Array
Front Side Bus.
the motherboard
31. What is DVD-RAM? and how is it used?
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on line
183
32. Surge
Too much voltage
Networking and Communications
Processing
Complex -Instruction - Set - Chips - Used in General Purpose PCs
33. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
ECC
2048 x 1536
Processing
34. An example of a device that uses a high-density (three-row) DB-15 connector.
200
Firmware
VGA/SVGA monitor
Single Inline Memory Module - has 30 or 72 contacts on only one side.
35. What does SODIMM stand for?
Very Brief time (milliseconds) of too much voltage
Error Correction Code.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Small Outline DIMM
36. The actual speed of the CPU is governed by a _______ setting called the clock rate.
tasks or 'Threads'
Speaker
7 or 15 (powered)
BIOS
37. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
144
Joystick
CMOS
DB-15
38. What does RIMM stand for?
Radial Lines
Front Side Bus.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
39. A serial mouse connects to a computer with this connector.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9-pin serial
TRS
40. How many pins is a DDR3 DIMM?
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240
1600 x 1200
41. How many pins is a MICRODIMM DIMM?
3
144
1024 x 786
Radial Lines
42. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
3
1024 x 786
43. Internal modem or telephone
RJ-11
40 or 80
Firmware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
44. 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)
VGA/SVGA monitor
Software
Small Outline DIMM
Serial
45. Serial ports have this many pins.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25
9
PCIe - PCI - AGP - ESIA - and ISA
46. UXGA is _____x_____
1600 x 1200
charged coupled device (CCD)
DB-25
CMOS
47. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
1600 x 1200
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output
48. XGA is ____x_____
200
Hardware
1024 x 786
Network communications
49. Level one cache is located on ___________.
Random Access Memory (RAM)
Standardization
DB-15
the CPU
50. Parallel devices connect to this connector.
2048 x 1536
DB-25
Too much voltage
DB-15