Fundamentals of Information Technology-Computer Science-BSC-Nagpur-Winter-2018

Bachelor of Science (B.Sc.) Semester—1 Examination
COMPUTER SCIENCE (Fundamentals of Information Technology)

Optional Paper—1
Time : 3 Hours
Maximum Marks : 50

N.B. :— (1) All questions are compulsory and carry equal marks.
(2) Draw well labelled diagram wherever necessary.

EITHER
1. (a) What is instruction format ? Explain fetch and execution cycle. [5M]

(b) Do as directed :

(i) (1101.1101)₂ = (?)₁₀

(ii) (1762.68)₁₀ = (?)₁₆ [5M]

OR

(c) Draw the block diagram of computer and explain the functions of each unit. [5M]

(d) Explain :

(i) Source Program

(ii) Object Program. [5M]

EITHER

2. (a) Explain :

(i) ROM

(ii) PROM

(iii) EPROM

(iv) EEPROM. [5M]

(b) Explain structure of hard disk with factors that affect the access time of data. [5M]

OR

(c) List and explain types of optical disks. [5M]

(d) Write short notes on :

(i) Static RAM

(ii) Dynamic RAM. [5M]

EITHER

3. (a) List and explain various group of keys of keyboard. [5M]

(b) Give the classification of Printers. Explain Inkjet Printer. [5M]

OR

(c) List various input devices. Explain the “Voice Input”. [5M]

(d) What is plotter ? List different types of plotters and explain any one. [5M]

EITHER

4. (a) Explain Routers and Brouters in Network. [5M]

(b) Explain mesh topology in detail. [5M]

OR

(c) Explain Wi-Fi network. [5M]

(d) Explain any two network protocols. [5M]

5. (a) List advantages and disadvantages of Interpreter. [2½M]

(b) Write short note on Cache Memory. [2½M]

(c) Explain Touch Screen. [2½M]

(d) Explain the use of modem in communication. [2½M]