Download Old Question Bank of BCA/BCIS (2010) | Semester I - Pokhara University

Question Bank | PU
Download Old Question Bank of BCA/BCIS (2010)
For: First Semester PU
Course : Digital Systems

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POKHARA UNIVERSITY

Level:  Bachelor                          

Semester-I Fall  | Year :2010  

Program: BCA/BCIS
Full Marks :100 | Pass Marks :45
Course : Digital Systems Time :3hrs

Candidates are required to give their answer in their own words as far as practicable.
The figure in the margin indicate full marks.

Attempt all the questions.

1 a) Differentiate between analog and digital system. 5
b) Perform the following conversion. 10

            i) (22.5225)₁₀    = (?)₈   

            ii) (8620)₁₀         = (?)_BCD

            iii) (5B7.1E)₁₆ = (….)₂

            iv) (110.1101)₂ = (….)₈

2. a) State and prove De Morgan’s Theorem. 5
b) Differentiate between synchronous and synchronous couter. 5
c) Implement the full adder using decoder and OR gates. 5

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