BSc CSIT (TU) Science Microprocessor (BSc CSIT, CSC162) Question Paper 2080
This is the official BSc CSIT (TU) (Science stream) Microprocessor (BSc CSIT, CSC162) question paper for 2080, 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 2080 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain the architecture of the 8086 with emphasis on pipelining. How does instruction queuing improve performance?
Explain the 8259 Programmable Interrupt Controller (PIC). Describe its features and how it manages multiple interrupts.
Explain stack and subroutine in the microprocessor. How are CALL and RET instructions executed? Describe the role of the stack pointer.
Section B: Short Answer Questions
Attempt any EIGHT questions.
What is an interrupt service routine (ISR)?
Explain the function of the 8259 PIC.
What is the difference between a hardware and software interrupt?
List the logical instructions of the 8086.
What is the role of the segment override prefix?
Define latency and access time.
Explain the PUSH and POP instructions.
What is the function of the TEST signal?
Write a short note on string instructions in 8086.