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54 Cards in this Set
- Front
- Back
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What is a bus? |
A path for information or data grouped by a function |
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What is the control section of the microprocessor system used for? |
Synchronizing processes |
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What are the 5 basic parts of the microprocessor system? |
Input, output, control, memory, and arithmetic |
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What is used to make fiber from 1.5mm with polishing fixture? |
600 grit abrasive paper |
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How many wear in indicator dots are on polished fixture to be used correctly? |
4 |
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Polishing a waveguide ensures... |
A smooth mirrored finish |
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When there is no signal loss? |
The 1st waveguide has a smaller NA than the 2nd |
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What is concentricity? |
When a waveguide's core is shifted and centrally located |
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Multiplexing uses what kind of transfer? |
Analog and digital |
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Multiplexing combines... |
Many data signals into one |
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Crosstalk is avoided by using... |
Data signals with same magnitude |
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What can the output if the frequency is not within bandwidth? |
Distortion, phaseshift, and loss of data |
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What is a waveguide? |
The central core of a fiberoptic cable designed to guide light waves |
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Lasers can produce... |
A powerful beam within a narrow special range |
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What is the purpose of a fiberoptic system? |
To transmit digital and analog signals |
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What are the quality measurements... |
Analog SNR and Digital BER |
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Heterojunction LEDs have... |
DIfferent types of material on each side for confining and direct light |
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Microbend losses are do to? |
Imperfections at the core-cladding boundary |
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In a cladding diameter mismatch... |
The core is the same |
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What does the status register show? |
If there was a carry from the ALU |
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Wavelength Div. multiplexing combines... |
Different light waves into a signal |
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PCM signal is transmitted directly by... |
Energizing and de-energizing the light source |
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What is intensity modulation? |
Varying intensity of a lightwave |
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Multimode graded index optical has... |
Several concentric layers of material |
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Photo diodes are... |
Optical detectors for fiberoptic systems |
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What does the receiver section do? |
Converts light energy into electrical signals |
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Refraction is due to... |
Change in speed of light |
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Fiberoptics deal with... |
The transmission of light |
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What is light? |
Electromagnetic radiation with masless bits called photons |
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A node is a... |
Network participant |
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Client/server relationship involves both... |
Resource sharing and communication |
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What is the ethernet jack configuration? |
8 |
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What are the categories of app. software? |
Productivity, utility, and communication |
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What is a software app? |
Set of instructions for accomplishing a sequence of actions |
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What are some benefits of USB? |
Peripherals connect without the need to restart, and individual devices don't need sets |
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The local bus allows... |
Peripherals to connect to the processor bus |
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Interupt is... |
The suspension of a process going into the CPU |
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What is CMOS used for? |
Clockchip because it take little power |
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What are the two working parts of the CPU? |
Extension unit (EU) and Bus Interface (BIU) |
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What is the BIOS? |
Set of instructions that tells the CPU how to access devices that let it communicate with the rest of theworld |
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What is the purpose of the CPU? |
It performs the systems calculating and processing |
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What are the 3 most important functions of a system case? |
Structure, protection, and cooling |
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What is the main purpose of the operating system? |
To manage operation of a comp. |
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AN operating system is a... |
Piece of software |
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UNIX is a... |
Network operating system that has been modified by different companies |
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What does the stack pointer do? |
Contains the address of the next empty location in stack, stores memory in LIFO |
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What are the basic sections of computers? |
Control, output, and input |
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The status is the... |
Condition of the ALU |
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The address bus size determines... |
How much memory can be addressed |
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What is a bit? |
The smallest unit of data that a microprocessor can recognize |
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What does the program counter do? |
Contains address of next instruction to beexecuted |
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What does the status flag register do? |
It indicates status of ALU or other conditions |
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What does memory contain? |
Data, instructions, and info |
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What is the ALU's purpose? |
To calculate circuitry of a comp |
