BSc CSIT (TU) Science Microprocessor (BSc CSIT, CSC162) Question Paper 2081
This is the official BSc CSIT (TU) (Science stream) Microprocessor (BSc CSIT, CSC162) question paper for 2081, 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 2081 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain the data transfer schemes of a microprocessor: programmed I/O, interrupt-driven I/O and DMA. Compare them.
Explain the 8253/8254 Programmable Interval Timer. Describe its operating modes and applications.
Write an assembly language program to sort an array of numbers in ascending order. Explain the algorithm used.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Differentiate between accumulator and general purpose registers.
What is the maximum memory addressable by 8086 and why?
Explain the role of the 8253 timer.
What are conditional and unconditional jump instructions?
What is the function of the RESET signal?
Explain the rotate and shift instructions.
What is interrupt priority?
Differentiate between synchronous and asynchronous data transfer.
What is the use of the INT and IRET instructions?