BSc CSIT (TU) Science Microprocessor (BSc CSIT, CSC162) Question Paper 2077
This is the official BSc CSIT (TU) (Science stream) Microprocessor (BSc CSIT, CSC162) question paper for 2077, 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 2077 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain the register organization of the 8086 microprocessor. Describe the general purpose registers, segment registers, pointer and index registers and the flag register.
What is memory segmentation in 8086? Explain physical address generation with an example. Why is segmentation used?
Explain the 8255 Programmable Peripheral Interface (PPI). Describe its block diagram, modes of operation and the control word format.
Section B: Short Answer Questions
Attempt any EIGHT questions.
What is meant by pipelining?
Calculate the physical address for CS = 1000H and IP = 2000H.
What is the purpose of the READY signal?
List any four arithmetic instructions of the 8086.
Differentiate between near and far procedures.
What is the function of the 8255 PPI?
Explain register addressing mode.
What is the size of the flag register in 8086?
What is a vectored interrupt?