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will lose all data stored when power is disconnected |
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will not lose any data stored on it when power is disconnected |
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uses flip flops to store information |
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uses capacitors and transistors to store the information |
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the amount of time between the computers request for stored data and when the data is returned |
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the amount of time it takes to read from and write to a memory cell |
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allows data from memory to be pulled or returned from any location regardless if the memory is or is not related to another piece of data |
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allows data from memory to be pulled in only a predetermined, ordered manner. |
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Why are latches required on the AD0-AD15 bus in an 8086 system? |
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Definition
Latches are used to hold the multiplexed address into address bus. Latches constitute the time multiplexed memory/IO address bus. They can be in 3 states and go to 3rd state (OFF) during interrupt acknowledge and local bus hold acknowledge |
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why are buffers often needed on the address, data, and control buses in a microcomputer system? |
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There is a possibility of overloading the microprocessor's address or data bus when they are connected to external memory. Hence for this reason buffers are used to prevent overloading (increase Fan-out). |
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what are the functions of the 8088 DT/R |
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Definition
DT/R is used to control the direction of data flow through data tranciever |
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what are the functions of the 8088 DEN? |
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Definition
DEN is provided as an output enable for bus transceiver in a minimum system |
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Industrial Standard Architecture BUS |
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Extended Industrial Standard Architecture BUS |
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Peripheral Component Interconnect BUS |
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Accelerated Graphics Port |
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