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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 4
 8
 12
 6

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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

 T1 & T2
 T3 & T4
 T4 & T1
 T2 & T3

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Microprocessor
The character set of Fortran 77 includes lower case alphabets a to z.

False
True

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 reset carry and sign flags
 reset zero and parity flags
 sets zero and sign flags

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Microprocessor
The first machine cycle of an instruction is always

 A memory read cycle
 A fetch cycle
 A memory write cycle
 An I/O read cycle

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

The same as
Greater than
Less than
Cannot be determined

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