Microprocessors And Microcontrollers MCQ Questions & Answers

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Learn Microprocessors And Microcontrollers MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Microprocessors And Microcontrollers MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-3 section-1

Each section contains 100 MCQs on Microprocessors and Microcontrollers .

A real number consists of

A) Integer part B) Integer part and fraction part C) Integer part, fraction part along with positive or negative sign D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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

A) NAND-NAND B) OR-NAND C) NAND-NOR D) NOR-NAND

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

A) A larger floating point number B) A smaller floating point number C) Either A or B depending on the actual number D) A negative floating point number

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The operating modes of 8255 A are called

A) Mode 0 and mode 1 B) Mode 0, mode 1 and mode 2 C) Mode 0 and mode 2 D) Mode 0, mode 2 and mode 3

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In C the keywords are also called

A) Special words B) Reserved words C) Class words D) Character words

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The forms of IF statements in FORTRAN 77 are called

A) Logical IF and Block IF B) Logical IF, block IF and arithmetic IF C) Logic IF, block IF, arithmetic IF and negate IF D) Logical IF and arithmetic IF

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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

A) R is asserted, S is asserted B) R is asserted, S is negated C) R is negated, S is asserted D) R is negated, S is negated

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

A) m B) 2^m C) log2 (m) D) 2*m

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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

A) Processor is capable of waiting B) External buffer is used C) Either A or B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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

A) RAM B) UVEPROM C) EEPROM D) Both B and C

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Microprocessors And Microcontrollers MCQ Questions & Answers | ECE