WorksheetsDigital Principles and Computer Organization Quiz
Total questions: 20
Worksheet time: 10mins
What is the primary function of a Flip-Flop?
To compare two binary numbers
To store binary information
To perform addition
To convert codes
Which of the following is an example of a combinational circuit?
Flip-Flop
Shift Register
Counter
Adder
What does a BCD adder do?
Adds two binary numbers
Adds two BCD numbers
Subtracts two BCD numbers
Multiplies two BCD numbers
Which type of circuit requires a memory unit?
Sequential circuit
Both combinational and sequential
Neither
Combinational circuit
What is the output of a Half Adder when inputs are A=1 and B=1?
0, 0
0, 1
1, 1
1, 0
Which of the following is a characteristic of synchronous sequential circuits?
They do not require a clock signal
They are faster than combinational circuits
They depend on the past history of inputs
They are easier to design than combinational circuits
What is the purpose of a decoder?
To encode data
To compare two binary numbers
To convert binary to decimal
To select one output from multiple inputs
In a Full Subtractor, what does the output 'Borrow' indicate?
The inputs are equal
The difference is zero
A borrow occurred from the next higher bit
No borrowing occurred
What is the main function of a multiplexer?
To store data
To select data from multiple inputs
To compare two values
To perform arithmetic operations
Which of the following is true about Gray code?
It is a binary code
It changes multiple bits at a time
It is used to reduce power consumption
It is not used in digital systems
What is the output of a 2 to 4 decoder when the input is 01?
0010
1000
0001
0100
Which of the following circuits can be implemented using a multiplexer?
BCD Adder
Half Subtractor
All of the above
Full Adder
What is the primary difference between combinational and sequential circuits?
Combinational circuits have memory
Sequential circuits have memory
Combinational circuits are slower
Sequential circuits are easier to design
What is the output of a Full Adder when A=1, B=1, and Cin=1?
1, 0
0, 0
0, 1
1, 1
Which of the following is NOT a type of Flip-Flop?
R Flip-Flop
JK Flip-Flop
D Flip-Flop
SR Flip-Flop
What is the main purpose of a demultiplexer?
To combine multiple inputs
To distribute a single input to multiple outputs
To store data
To perform arithmetic operations
In a 4-bit magnitude comparator, what does the EQ output indicate?
A > B
A < B
A = B
None of the above
What is the function of a priority encoder?
To encode data without priority
To decode data
To give priority to the highest order input
To compare two binary numbers
Which of the following is a characteristic of asynchronous sequential circuits?
They do not have feedback paths
They are easier to design
They require a clock signal
They are faster than synchronous circuits
Flip Flop stores __________ bit
4
3
8
1
