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Digital-electronics Questions Set 38:

Quiz Mode

Convert the binary number (10100.1101) to decimal.

46.6875

46.8125

20.8125

20.6875

Solution:

How many outputs will a decimal-to-BCD (Binary-Coded Decimal) encoder have?

Solution:

How many combinations are there where a 6-bit input A is less than a 6-bit input B?

2016

4032

2960

4096

Solution:

Which logic gate can be used to conveniently test the odd parity of a word?

AND Gate

OR Gate

XOR Gate

NOR Gate

Solution:

How many unit loads can an LS TTL gate drive maximum?

unlimited unit loads

20 unit loads

40 unit loads

10 unit loads

Solution:

Which type of counter circuit can easily generate a sequence of equally spaced timing pulses?

Ring shift

Johnson

Clock

Binary

Solution:

In a flip-flop, the clock is present, but in a latch, the clock is

present always

absent always

may be present/absent

none of the above

Solution:

The two numbers represented in signed 2's complement form are P= 11001101 and Q= 11000010. If Q is subtracted from P, the value obtained is signed 2's complement form is

Solution:

For a CMOS inverter, the Noise Margins are measured by taking the minimum and maximum input and output voltages. The slope of the characteristic graph at these points is ______

-1

Solution:

Which mode will take the longest time to store and output the values of the Register?

PIPO mode

SISO mode

PISO mode

SIPO mode

Digital-electronics Questions Set 38:

Convert the binary number (10100.1101) to decimal.

Solution:

How many outputs will a decimal-to-BCD (Binary-Coded Decimal) encoder have?

Solution:

How many combinations are there where a 6-bit input A is less than a 6-bit input B?

Solution:

Which logic gate can be used to conveniently test the odd parity of a word?

Solution:

How many unit loads can an LS TTL gate drive maximum?

Solution:

Which type of counter circuit can easily generate a sequence of equally spaced timing pulses?

Solution:

In a flip-flop, the clock is present, but in a latch, the clock is

Solution:

The two numbers represented in signed 2's complement form are P= 11001101 and Q= 11000010. If Q is subtracted from P, the value obtained is signed 2's complement form is

Solution:

For a CMOS inverter, the Noise Margins are measured by taking the minimum and maximum input and output voltages. The slope of the characteristic graph at these points is ______

Solution:

Which mode will take the longest time to store and output the values of the Register?

Solution:

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