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Microprocessor

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

2
4
6
8

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220-1
 20
 220

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 its internal registers
 the program counter
 the sequence in which memory contents are fetched by it

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Immediate
Implicit
Register
Direct

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Microprocessor
Identify the programmable interval timer from the following

 8252
 8253
 8275
 8279

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 6
 10
 8
 4

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