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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 4
 8
 12

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

Cannot be determined
The same as
Less than
Greater than

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To achieve all the functions listed above
 To disable data bus
 To latch data D0-D7 from data bus
 Enable the data bus to be used as low order address bus

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Mux
Decoder
Register
Gate

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Assignment, relational, arithmetic
Arithmetic, assignment, relational
Arithmetic, relational, assignment

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RLC
 RRC
 RAL
 RAR

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