What is a logic gate?
A A type of register
B A microprocessor unit
C A memory device
D A basic circuit element
What does a NOT gate do?
A Adds two inputs
B Inverts the input
C Produces a sum
D Multiplies inputs
Which gate is known for producing a high output only when all inputs are high?
A OR gate
B NOT gate
C AND gate
D XOR gate
What is a flip‐flop?
A A memory storage element
B A digital filter
C A type of counter
D A clock signal
What is a multiplexer used for?
A To add values
B To store data
C To select inputs
D To compare values
Which is the primary function of a decoder?
A To encode data
B To increase voltage levels
C To select outputs based on input combinations
D To convert analog to digital
What is the purpose of a register in digital electronics?
A To perform logic operations
B To store binary data
C To add numbers
D To convert data
Which type of memory is volatile?
A RAM
B ROM
C Flash
D EEPROM
Which of the following is a sequential circuit?
A Multiplexer
B OR gate
C AND gate
D Flip-flop
What does the Karnaugh map help with?
A Data storage
B Digital-to-analog conversion
C Boolean function simplification
D Input selection
What is a clock signal used for in digital circuits?
A To increase processing speed
B To synchronize operations
C To store data
D To select data
What is a counter used for in digital electronics?
A To store values
B To perform arithmetic operations
C To convert data
D To count events or pulses
What is the primary difference between ROM and RAM?
A ROM is read-only and RAM is read/write
B ROM is faster than RAM
C ROM stores temporary data
D RAM is non-volatile
What does an encoder do in digital electronics?
A Converts binary to decimal
B Stores data
C Converts multiple inputs to binary code
D Selects outputs
What is the purpose of a finite state machine (FSM)?
A To control a sequence of operations
B To represent logical operations
C To perform arithmetic calculations
D To store memory