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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-2 Ethernet uses this cable.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
Coaxial
Firewire 6-pin
2. How many pins is a SODIMM DDR2 DIMM?
Power failure
200
Output
Serial
3. XGA is ____x_____
800 x 600
9-pin serial
the motherboard
1024 x 786
4. SDRAM sands for _______.
Cathode Ray Tube
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
184
5. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
Output
Coaxial
6. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
CMOS
ECC
Front Side Bus.
RJ-11
7. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
Output
charged coupled device (CCD)
8. Internal modem or telephone
RJ-11
3
Liquid Crystal Display
Cathode Ray Tube
9. What do the type types of Hard Drive acronyms stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15
the motherboard
10. An example of firmware.
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
the motherboard
11. 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)
4
240
RJ-45
Software
12. 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
DB-25
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Radial Lines
13. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
7 or 15 (powered)
Radial Lines
Redundant Array of Independant (Inexpensive) Disks.
14. What does CRT stand for?
Front Side Bus.
Cathode Ray Tube
ECC
1600 x 1200
15. QXGA is ____x____
Network communications
2048 x 1536
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the CPU
16. What are the 4 main types of storage?
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
3
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
17. What does LCD stand for?
PCIe - PCI - AGP - ESIA - and ISA
2048 x 1536
Liquid Crystal Display
Too little voltage
18. Serial ports have this many pins.
Volatile
Front Side Bus.
Redundant Array of Independant (Inexpensive) Disks.
9
19. What is a Blackout?
Cathode Ray Tube
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too much voltage
Power failure
20. What does SODIMM stand for?
the CPU
200
RJ-45
Small Outline DIMM
21. Level one cache is located on ___________.
Very Brief time (milliseconds) of too much voltage
Output
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU
22. Surge
Output
DB-15
Too much voltage
Input
23. RAID stands for _________.
Standardization
200
Redundant Array of Independant (Inexpensive) Disks.
Networking and Communications
24. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Standardization
Power failure
DB-25 parallel
25. What does RIMM stand for?
5.25
charged coupled device (CCD)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25
26. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
DB-15
9-pin serial
Processing
27. What is DVD-RAM? and how is it used?
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on line
183
28. What is a Brownout?
Liquid Crystal Display
Radial Lines
Too little voltage
Firewire 6-pin
29. Printers
DB-15
Standardization
DB-25 parallel
144
30. How many pins is a MICRODIMM DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144
Random Access Memory (RAM)
Software
31. A serial mouse connects to a computer with this connector.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
removable chips on the motherboard
9-pin serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
32. How many pins is a DDR2 DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1024 x 786
7 or 15 (powered)
240
33. Spike
Serial
240
PCIe - PCI - AGP - ESIA - and ISA
Very Brief time (milliseconds) of too much voltage
34. An example of a device that uses a TRS connector.
Joystick
Speaker
VGA/SVGA monitor
Pin Grid Array
35. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
CMOS
tasks or 'Threads'
36. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
34
37. 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.
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.
CMOS
38. SCSI code is set by a 4 things - what are they?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC
PS/2-style mouse
39. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
order Boot sequence - Integrated devices - drive controllers - power supply settings
the CPU
Very Brief time (milliseconds) of too much voltage
40. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
240
PCIe - PCI - AGP - ESIA - and ISA
Componentization
CMOS
41. What is the formal name of the 'headphone jack'?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too much voltage
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
42. The actual speed of the CPU is governed by a _______ setting called the clock rate.
144
Very Brief time (milliseconds) of too much voltage
BIOS
Cache
43. Serial mouse or external modem
RJ-45
BIOS
B-9 serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
44. What is Virtual RAM?
Output
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.
DB-25 parallel
9
45. Number of Pins for Drives: 2. SCSI
RJ-45
Liquid Crystal Display
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.
50 - 68 - or 80
46. Ethernet network
RJ-45
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.
184
47. BIOS allows you to do 4 things - what are they?
RJ-11
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
order Boot sequence - Integrated devices - drive controllers - power supply settings
48. What does SIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
4
49. Level two cache is located on _______.
Processing
3
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
the motherboard
50. PGA stands for
Pin Grid Array
Too much voltage
Cache
USB Type A