COA - CA1

What is the output of an XOR gate if both inputs are the same?

• 1

• 0

• 3

• 2

What is the characteristic feature of a JK flip flop?

• It has two inputs: J and K

• It has only one input: T

• It has a clock input

• It has a clear input

How many states can a D flip flop store?

• 1

• 2

• 4

• 8

What is the purpose of a decoder in digital electronics?

• To convert binary data into a specific code

• To combine multiple inputs into a single output

• To store data temporarily

• To perform arithmetic operations

What is the main function of a multiplexer in digital electronics?

• To perform logic operations

• To select one of many inputs and route it to the output

• To store data permanently

• To generate clock signals

How many variables can a 4x4 K-map represent?

• 2

• 3

• 4

• 5

What is a Karnaugh Map primarily used for in digital logic design?

• To design sequential circuits

• To minimize Boolean expressions

• To implement arithmetic circuits

• To simulate analog circuits

What is the minimum number of cells required to form an implicant in a K-map?

• 1

• 2

• 3

• 4

Which register is used as the base address register for string operations in the Intel 8086 architecture?

• SI

• DI

• BX

• CX

The MOV instruction in the Intel 8086 architecture is used for:

• Moving data between memory locations.

• Performing arithmetic operations.

• Jumping to a different instruction.

• Halting the execution of the program.