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Tuesday, March 22, 2022

Download "Computer Organization" Question Paper for BCA 2nd Semester. All Previous years Question Papers.




BCA-Bachelor of Computer Applications 2nd Semester
Computer Organization
Paper-BCA-16–202


Time Allowed: Three Hours] [Maximum Marks: 65 



Note: Attempt one question each from Sections A, B, C, and D. Section E is compulsory.


SECTION-A 

1. (a) What are the main characteristics of Von-Neumann Architecture? What are its drawbacks? 


(b) What is a combinational circuit? Explain Encoder with the help of logic gate and truth table.


2. (a) What is a Flip Flop? Explain the working of SR and JK flip flop with the help of symbol, logic circuit, truth table, and state table. 

(b) Discuss fixed-point representation, floating-point representation and 2's complement representation. 



SECTION-B 

3. (a) What are addressing modes? Explain the different types of addressing modes with examples.

(b) What is an instruction cycle? Explain different phases of the instruction cycle with the help of a flowchart. 


4. (a) What is an interruption? Explain the vector and priority interrupts.


7. (a) What is the meaning of computer hardware? Describe the working of any two physical components of a computer.


(b) What are the various activities to be performed for physical inspection and diagnostics on a PC? 


8. (a) Explain the functional description of any two external cards. 

(b) How computer viruses are detected ? What steps you will perform to protect your computer against virus attack?



SECTION-E 

9. Attempt all questions: 

(a) What is a register? 

(b) (371) 8-()16 

(c) Define Ransomware. 

(d) What is an internal card? 

(e) What are two types of RAMs? 

(f) Draw a logic circuit of half adder. 

(g) What is DMA?


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