BSc CSIT (TU) Science Microprocessor (BSc CSIT, CSC162) Question Paper 2079
This is the official BSc CSIT (TU) (Science stream) Microprocessor (BSc CSIT, CSC162) question paper for 2079, 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 2079 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Differentiate between minimum mode and maximum mode operation of the 8086 microprocessor with diagrams.
Explain Direct Memory Access (DMA). Describe the working of the 8237 DMA controller and the DMA transfer process.
Write an assembly language program to add two 16-bit numbers and store the result. Explain the use of registers and flags.
Section B: Short Answer Questions
Attempt any EIGHT questions.
What is the difference between minimum mode and maximum mode?
What is a DMA controller?
Explain the LOOP instruction.
What are the auxiliary carry and parity flags?
What is the use of the HLDA signal?
Differentiate between CALL and JMP instructions.
What is the function of the 8284 clock generator?
Explain the term 'bus contention'.
Write a short note on the direct addressing mode.