Microprocessors - ECE Questions and Answers

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The memory segment registers in 8086 are denoted by

AS, BS, CS, DS

BS, CS, SS, ES

CS, DS, SS, ES

DS, ES, FS, SS

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The normalised form of 0.0152 x 10¹⁸ is

0.152 x 10¹⁷

1.52 x 10¹⁶

15.2 x 10¹⁵

152 x 10¹⁴

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Which of these are allowed in Basic?

Arithmetic operators +, -, *, / etc.

Logical operators AND, OR, NOT

Relational operators =, <, > etc.

All of the above

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In 8085 eight address and data buses are multiplexed.

True

False

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Consider the following expressions in Java
int a, b, c, a = 40; b = a⁺⁺ ; c = ⁺⁺a ;
Now the values of a, b, c are

42, 40, 42 respectively

42, 42, 42 respectively

40, 42, 42 respectively

40, 40, 42 respectively

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Which of the following is not correct in C?

6 / 4 = 1

2 / 5 = 0

2.0 / 5 = 0

2.0 / 5.0 = 0.4

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Which is not a software?

DOS

Windows

MS WORD

Hard disk

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Which of the following integer expressions is incorrect in Pascal?

L div M + P

A * * B

A div B - C

A mod B

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Accumulator is an 8 bit register and is also known as register B.

True

False