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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. SDRAM sands for _______.
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.
CMOS
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2. 10Base-5 Ethernet and game ports use this cable
DB-15
BIOS
Redundant Array of Independant (Inexpensive) Disks.
verifying data integrity.
3. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
PCIe - PCI - AGP - ESIA - and ISA
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
ECC
4. RAID 5 has at least ___ hard drives.
Too little voltage
detects and fixes corrupt data in RAM.
ECC
3
5. 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)
TRS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-11
Software
6. Level two cache is located on _______.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
the motherboard
Cathode Ray Tube
7. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too little voltage
Network communications
8. What is a Sag?
1600 x 1200
Radial Lines
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage
9. Level one cache is located on ___________.
Processing
DB-15
the CPU
detects and fixes corrupt data in RAM.
10. level three cache is located on _________.
DB-25 parallel
removable chips on the motherboard
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.
Standardization
11. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
9-pin serial
800 x 600
Front Side Bus.
Joystick
12. What is VRAM used for?
9-pin serial
7 or 15 (powered)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
B-9 serial
13. SVGA is ____ x_____
144
184
800 x 600
Coaxial
14. How many pins is a SODIMM DDR DIMM?
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144
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.
15. How many pins is a MICRODIMM DIMM?
2048 x 1536
144
Processing
charged coupled device (CCD)
16. Ethernet network
RJ-45
240
Coaxial
Very brief time (milliseconds) of too little voltage
17. 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.
Networking and Communications
5.25
tasks or 'Threads'
removable chips on the motherboard
18. What does ECC stand for?
Error Correction Code.
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.
Standardization
Joystick
19. What are the two types of RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
20. Parity is used in some _____________ - hard drives - and RAM.
Network communications
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RJ-11
21. What is a Brownout?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Network communications
Too little voltage
Coaxial
22. What does ECC do?
Firmware
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
detects and fixes corrupt data in RAM.
23. 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
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
verifying data integrity.
24. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
CMOS
34
Storage
25. XGA is ____x_____
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
ECC
1024 x 786
26. An example of a device that uses a TRS connector.
Speaker
RJ-11
Output
9-pin serial
27. 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.
the motherboard
Componentization
Coaxial
verifying data integrity.
28. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
DB-25
order Boot sequence - Integrated devices - drive controllers - power supply settings
Hardware
Joystick
29. Printers
Hardware
DB-25 parallel
Networking and Communications
TRS
30. What does SIMM stand for?
144
BIOS
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
31. Number of Pins for Drives: 4. FDD
9
34
40 or 80
Network communications
32. Serial ports have this many pins.
200
CMOS
Random Access Memory (RAM)
9
33. PGA stands for
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
4
Pin Grid Array
34. What is DVD-RAM? and how is it used?
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on line
183
35. ZIF stands for ______.
3
DB-15
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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
36. The actual speed of the CPU is governed by a _______ setting called the clock rate.
TRS
CMOS
BIOS
DB-15
37. Serial mouse or external modem
B-9 serial
Volatile
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.
Componentization
38. 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.
Coaxial
Small Outline DIMM
3
DB-15
39. Parallel devices connect to this connector.
DB-25
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
40 or 80
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.
40. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
240
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
50 - 68 - or 80
Storage
41. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
DB-15
34
USB Type A
42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
240
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)
43. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
verifying data integrity.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9-pin serial
44. BIOS allows you to do 4 things - what are they?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
VGA/SVGA monitor
RJ-11
order Boot sequence - Integrated devices - drive controllers - power supply settings
45. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-15
Speaker
B-9 serial
40 or 80
46. What are the 6 form factors of motherboards?
Very Brief time (milliseconds) of too much voltage
Pin Grid Array
144
ATX - BTX - Micro ATX - ITX - NLX - and LPX
47. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
USB Type A
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
48. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
2048 x 1536
Joystick
TRS
49. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Error Correction Code.
USB Type A
Radial Lines
Firewire 6-pin
50. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM