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WorksheetsMicroprocessor and Microcontroller Quiz
Total questions: 15
Worksheet time: 8mins
What is the primary function of an ALU in a microprocessor?
To store data
To perform arithmetic and logical operations
To control the flow of data
To manage input and output devices
Which of the following is NOT a feature of a microcontroller?
Built-in RAM
Built-in ROM
High processing speed for complex tasks
Input/Output ports
In a microprocessor, the control unit (CU) is responsible for:
Performing arithmetic operations
Storing data
Fetching and executing instructions
Providing power supply to the system
Which of the following is a common application of microcontrollers?
Desktop computers
Laptops
Embedded systems
Data servers
The register that holds the address of the next instruction to be executed is known as:
Stack Pointer
Program Counter
Instruction Register
Accumulator
What type of memory is typically used for program storage in a microcontroller?
RAM
EEPROM
ROM
Cache
Which of the following is an 8-bit microcontroller developed by Intel?
8051
ARM Cortex-M4
Z80
Pentium
In a microcontroller, an ADC (Analog-to-Digital Converter) is used for:
Converting analog signals to digital values
Converting digital signals to analog signals
Storing data temporarily
Controlling power supply
Which one of the following is NOT a component of a typical microcontroller?
ALU (Arithmetic Logic Unit)
I/O ports
Cache memory
Timer
Which type of bus in a microprocessor is primarily used for transferring data?
Address bus
Data bus
Control bus
System bus
What is the main difference between Harvard and Von Neumann architectures?
The number of input/output ports
The separation of data and instruction memory
The type of ALU used
The clock speed capabilities
Which of the following microprocessors uses a RISC (Reduced Instruction Set Computer) architecture?
Intel 8085
Intel Pentium
ARM Cortex
Zilog Z80
In an interrupt-driven system, when an interrupt occurs, the microprocessor:
Ignores the interrupt and continues its operation
Stops executing the current program and executes the interrupt service routine
Deletes all data in the registers
Stops and resets itself
A watchdog timer in a microcontroller is mainly used to:
Control input/output operations
Prevent system failures by resetting the microcontroller if it hangs
Manage power supply
Synchronize data transfer
Which of the following operations is performed by the instruction MOV A, B in an assembly language?
Move the contents of A to B
Move the contents of B to A
Add the contents of A and B
Subtract the contents of B from A
