INTRODUCTION TO MICROPEOCESSOR
MODEL OF MICROPROCESSOR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is not true features of 8257?
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It has three channels which can be used over three I/O devices
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Each channel has 16-bit address and 14-bit counter.
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Each channel can transfer data up to 64kb.
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Each channel can be programmed independently.
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Explanation:
Detailed explanation-1: -Which of the following is not a Features of 8086? D. It has 512 vectored interrupts. Explanation: It has 256 vectored interrupts is true Features of 8086.
Detailed explanation-2: -Which of the following is not true about 8085 microprocessor? Explanation: 8085 microprocessor is manufactured using NMOS technology. PMOS technology is used in a 4004 microprocessors. NMOS technology is faster than PMOS technology.
Detailed explanation-3: -Explanation: In the encoded mode, the counter provides the binary count that is to be externally decoded to provide the scan lines for the keyboard and display.
There is 1 question to complete.