# Computer Fundamentals 2018 – BSc Computer Science Part 1

#### Paper code: 135041504B.Sc. (Computer Science) (Part 1)Examination, 2018Paper No. 2.1COMPUTER FUNDAMENTALS

##### Time: Three Hours] [Maximum Marks: 33

Note: Attempt five questions in all section. Attempt any one question from each Section.

Section-A 7 each

1. (a) What is Algorithm? Explain. Discuss various characteristics of Algorithm.

(b) Draw and explain computer with a neat diagram.

2. Convert the following:

1. (11101)2 = (?)2
2. (258)10 = (?)16
3. (25.2)10 = (?)2
4. (48)10 = (?)BCD

Section-B7 each

3. (a) Explain memory cell.

(b) Differentiate RAM and ROM.

(c) Explain magnetic Hard disk and Floppy disk.

4. (a) Draw and explain computer memory hierarchy with a neat diagram.

(b) What serial access memory ? Explain.

Section-C7 each

5. (a) What are Registers ? Explain their role in processing.

(b) Convert the following in reverse polish notation :

(i) $A+B*C$

(ii) $(A+B) * (C+D)$

(iii) $\frac{(A+B)}{(C+D)}$

6. Write the following mathematical expression using :

Section-D7 each

7. (a) Compare between the following :

(i) Multiprogramming OS and Multitasking OS

(ii) System software and application software

(b) What are parallel computers ? Explain.

8. What are various generation of Computer ? Explain briefly.

Section-E

9. Write short notes on any two of the following :5

(i) Application of computers

(ii) Flow charts

(iii) Instruction formats

(iv) ASCII codes

……………End……………

#### Lokesh Kumar

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