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Microprocessor

Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 8
 18
 16
 12

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T3 & T4
 T1 & T2
 T4 & T1
 T2 & T3

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 all flags will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 27
 30
 13

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Microprocessor
The word size of 8085 microprocessor is

 16-bit
 20-bit
 4-bit
 8-bit

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