BSc CSIT (TU) Science Microprocessor (BSc CSIT, CSC162) Question Paper 2075
This is the official BSc CSIT (TU) (Science stream) Microprocessor (BSc CSIT, CSC162) question paper for 2075, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Microprocessor (BSc CSIT, CSC162) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Microprocessor (BSc CSIT, CSC162) exam or solving previous years' question papers, this 2075 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Draw and explain the architecture of the 8086 microprocessor. Differentiate between the Bus Interface Unit (BIU) and the Execution Unit (EU).
What is an interrupt? Explain the interrupt structure of the 8085 microprocessor including hardware and software interrupts and their priorities.
Explain the pin diagram and signals of the 8086 microprocessor in minimum mode operation.
Section B: Short Answer Questions
Attempt any EIGHT questions.
What is the word length of the 8086 microprocessor?
Define opcode and operand.
What are maskable and non-maskable interrupts?
What is the function of the instruction pointer (IP)?
Explain immediate addressing mode with an example.
What is the role of the ALE signal in 8085?
Define throughput and clock speed.
What is a control bus?
Differentiate between memory-mapped and I/O-mapped I/O.