41.
The output of an OR gate is LOW when ________.
A
Any input is LOW
B
Any input is HIGH
C
All inputs are HIGH
D
All inputs are LOW
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70 practice sets · Page 3 of 4
The output of an OR gate is LOW when ________.
Any input is LOW
Any input is HIGH
All inputs are HIGH
All inputs are LOW
The output of a NOT gate is HIGH when ________.
Input changes from LOW to HIGH
Voltage is removed from the gate
Input is LOW
Input is HIGH
The output of an AND gate is LOW ________.
When any input is HIGH
When all inputs are HIGH
All the time
When any input is LOW
Full adder can be changed into full subtractor circuit by adding one
OR Gate
Inverter
NOR Gate
AND Gate
Which one of the following is equivalent to AND-OR realization?
NOR-NOR realization
NAND-NAND realization
NAND-NOR realization
NOR-NAND realization
Perform the subtraction of 1110 and 1001
111
110
1100
101
Perform the subtraction of 1011 and 0110
101
111
1100
100
Boolean logic is concerned with
Hexadecimal number
Octal number
Binary number
Decimal number
Which one of the following will give the sum of full-adder as output?
Three bit parity comparator
Three bit counter
Three input majority circuit
Three bit parity checker
Add the binary numbers 1010.1101 and 101.01
10010.0001
10010.0011
10000.0001
10000.0011
Add the binary number 1011 and 1101
11011
11111
11000
11001
Convert the Gray code 1011 to binary.
1101
1111
1011
1010
Convert Hexadecimal 8B3F to binary
1.0100011111E+15
1.00010110011E+15
75647
10010
Convert decimal 64 to binary.
110110
1001000
1010010
1000000
When used with an IC, what does the term "QUAD" indicate?
6 circuits
8 circuits1
2 circuits
4 circuits
Convert binary 111111110010 to hexadecimal.
FD2
FF2
EE2
2FE
Convert the binary number 1100 to Gray code.
11
1010
1001
1100
The sum of the two BCD numbers, 0011 + 0011, is ________.
110
111
11
1100
The BCD number for decimal 347 is ________.
1100 1011 1000
0011 0100 0111
0011 0100 0001
1100 1011 0110
Which is typically the longest?
Bit
Byte
Nibble
Word