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D 30468 (Pages : 2) ಸ ಭಾ ಕ್ಷ ಿುುಿು್ತ

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FIFTH SEMESTER (CBCSS-UG) DEGREE EXAMINATION
NOVEMBER 2022
B.C.A.
BCA/BCS 5B 07—COMPUTER ORGANISATION AND ARCHITECTURE
(2019 Admission onwards)
Two Hours Maximum : 60 Marks
Section A (Short Answer Type Questions)

Answer all the questions.
Each correct answer carries 2 marks.
Ceiling 20 marks.

Define ripple carry adders.

Define Johnson’s counter.

Define Encoder.

Define Accumulator.

Define Memory data register.

What is locality of reference ?

Define memory access time.

Write a note on vectored interrupt.

Write a note on virtual memory.

Define control word.

Define register stack.

What is address sequencing ?
Section B (Short Essay Type Questions)

Answer all the questions.
Each correct answer carries 5 marks.
Ceiling 30 marks.

Explain the operation of multiplexer with suitable diagram.

Write a note on Program control instructions.

Turn over

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