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ECE · all questions

Microprocessors And Microcontrollers
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A real number consists of

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Using DeMorgan’s Theorem we can convert any AND-OR structure into

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If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

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The operating modes of 8255 A are called

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In C the keywords are also called

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The forms of IF statements in FORTRAN 77 are called

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Which of the following conditions is not allowed in an RS latch?

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If m is a power of 2, the number of select lines required for an m-input mux is:

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The timing difference between a slow memory and fast processor can be resolved if

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Which memory has read operation, byte erase, byte write and chip erase?

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

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

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Each instruction in assembly language program has the following fields:
1. Lable field
2. Mnemonic field
3. Operand field
4. Comment field
The correct sequence of these fields is?

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Which of the following is type declaration statement in C?

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If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

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The number of interrupt lines in 8085 is

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Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.
Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

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

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Which of the following is not treated as hexadecimal constant by assembler in 8085?

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IC 7485 cannot be cascadeD.

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