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Microprocessor

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 16
 7
 10
 13

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 Z-80
 6502
 68000
 8085

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the I/O device
 direct memory access for the user
None of these
 direct memory access for microprocessor

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 DMA bus
 Address bus
 Memory bus

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

 1, 2 and 4
 2, 3 and 4
 1, 2 and 3
 1, 3 and 4

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Microprocessor
Which language could be used for programming an FPGA.

 VHDL
 Both A and B
 Verilog
 None

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