Digital Electronics - ECE Questions and Answers

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In floating point representation, the accuracy is

10 bit

9 bit

8 bit

6 bit

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The logic circuit in the given figure realizes the function

(A + B + C) (D E)

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The PC contains 0450 H and SP contains 08D 6 H. What will be content of P and SP following a CALL to subroutine at location 02 AFH?

0453 H, 08 D 8 H

0453 H, 08 D 4 H

02 AFH, 08 D 8 H

02 AFH, 08 D 4 H

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An n bit ADC using V_r as reference has a resolution (in volts) of

V_r(n)

2V_r(n)

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The sum of 1110101₂ and 11011₂ in decimal form will be

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Binary 1111 when added to binary 11111, the result in binary is

111111

1111

1000

10000

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In the 2's complement Adder-Subtractor

sign magnitude numbers represent negative numbers

the sign magnitude numbers have "1" as leading bit

the sign magnitude numbers have '0' as leading bit

2's complement represents positive numbers

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The widely used binary multiplication method is

repeated addition

add and shift

shift and add

any of the above

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Which of the following logic family is fastest of all?

TTL

RTL

DCTL

ECL