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Microprocessor

Microprocessor
The minimum number of transistors required to implement a two input AND gate is

2
8
4
6

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Microprocessor
Identify the communication interfacing device from the following

 8251
 8255
 8257
 8155

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 5.5
 RST 6.5
 RST 4.5
 RST 7.5

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 247
 244
 245
 246

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 512
 65536
 64
 256

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T1 OP code fetch
 T4 OP code fetch
 T2 OP code fetch
 T3 OP code fetch

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