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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. 10Base-5 Ethernet and game ports use this cable
DB-15
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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial
2. What is DVD-RAM? and how is it used?
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183
3. 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)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-45
Software
Cathode Ray Tube
4. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Speaker
7 or 15 (powered)
Front Side Bus.
9
5. What does ECC stand for?
Storage
VGA/SVGA monitor
Error Correction Code.
Radial Lines
6. What does CRT stand for?
Power failure
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cathode Ray Tube
DB-25
7. What are the two types of RAM?
Front Side Bus.
Small Outline DIMM
Software
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
8. ZIF stands for ______.
240
Software
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.
Coaxial
9. RAID 5 has at least ___ hard drives.
5.25
3
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
10. An example of a device that uses a low-density (two-row) male DB-15 connector.
B-9 serial
Joystick
Cathode Ray Tube
PS/2-style mouse
11. Ethernet network
RJ-45
DB-25 parallel
VGA/SVGA monitor
Very Brief time (milliseconds) of too much voltage
12. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
the CPU
Redundant Array of Independant (Inexpensive) Disks.
Componentization
4
13. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Random Access Memory (RAM)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
7 or 15 (powered)
5.25
14. Internal modem or telephone
RJ-11
DB-25
B-9 serial
detects and fixes corrupt data in RAM.
15. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
184
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 little voltage
Hardware
16. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-25
Firmware
5.25
17. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
144
charged coupled device (CCD)
DB-25 parallel
Random Access Memory (RAM)
18. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Cache
Input
Single Inline Memory Module - has 30 or 72 contacts on only one side.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
19. What is a Blackout?
Power failure
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.
240
3
20. An example of a device that uses a high-density (three-row) DB-15 connector.
CMOS
VGA/SVGA monitor
Networking and Communications
40 or 80
21. Serial mouse or external modem
Redundant Array of Independant (Inexpensive) Disks.
CMOS
B-9 serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
22. level three cache is located on _________.
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
removable chips on the motherboard
Coaxial
23. 10Base-2 Ethernet uses this cable.
Pin Grid Array
Coaxial
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.
240
24. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Volatile
Componentization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Radial Lines
25. Printers
BIOS
Front Side Bus.
DB-25 parallel
removable chips on the motherboard
26. Multiple core allow the PC to simultaneously process multiple ______.
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27. How many pins is a DDR3 DIMM?
240
Standardization
Front Side Bus.
verifying data integrity.
28. How many pins is a DDR2 DIMM?
Very Brief time (milliseconds) of too much voltage
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Input
29. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.
TRS
30. Parity is used in some _____________ - hard drives - and RAM.
Input
verifying data integrity.
Network communications
VGA/SVGA monitor
31. QXGA is ____x____
Network communications
2048 x 1536
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
32. PGA stands for
200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
184
Pin Grid Array
33. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
3
34
Firewire 6-pin
Output
34. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
PCIe - PCI - AGP - ESIA - and ISA
VGA/SVGA monitor
35. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
B-9 serial
Input
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.
ECC
36. 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.
Componentization
240
Cathode Ray Tube
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
37. An example of firmware.
Radial Lines
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
Firmware
38. Number of Pins for Drives: 2. SCSI
Volatile
50 - 68 - or 80
Too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
39. What is VRAM used for?
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9-pin serial
9
40. SVGA is ____ x_____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-45
800 x 600
Power failure
41. How many pins is a DDR DIMM?
the motherboard
Too much voltage
184
verifying data integrity.
42. An example of a device that uses a TRS connector.
9-pin serial
VGA/SVGA monitor
Speaker
Pin Grid Array
43. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
TRS
44. CPUS: What is CISC?
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
removable chips on the motherboard
DB-25 parallel
45. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
Cathode Ray Tube
46. How many pins is a SODIMM DDR2 DIMM?
200
Line Grid Array
the motherboard
verifying data integrity.
47. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
184
Small Outline DIMM
Storage
Componentization
48. Serial ports have this many pins.
verifying data integrity.
BIOS
9
Software
49. 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.
Speaker
Very brief time (milliseconds) of too little voltage
ECC
Standardization
50. What do the type types of Hard Drive acronyms stand for?
9-pin serial
Software
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)