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 digital computer ? Explain its components with well labelled block diagram. [5M]
(B) Explain octal number system. Solve (76451)8 = (?)2. [5M]
OR
(C) Explain the characteristics of good languages. [5M]
(D) What is source and object program ? [5M]
EITHER
2. (A) Write short notes on the following :—
(i) PROM
(ii) EEPROM
(iii) EPROM
(iv) RAM
(v) ROM. [5M]
(B) What is Blue Ray ? Give its advantages. [5M]
OR
(C) What is memory ? Explain static and dynamic memory. [5M]
(D) Explain working of Hard Disk with suitable diagram. [5M]
EITHER
3. (A) What is Touch screen device ? Give its features. [5M]
(B) Explain Barcode Reader and OMR. [5M]
OR
(C) Write a note on the following :—
(i) Laser Printer
(ii) Inkjet Printer [5M]
(D) Explain mouse and light pen with diagram. [5M]
EITHER
4. (A) What is Network ? Explain types of networks in detail. [5M]
(B) Explain Bluetooth and Infrared devices. [5M]
OR
(C) Differentiate between client server and peer-to-peer. [5M]
(D) Explain the following :—
(i) Bridges
(ii) Routers. [5M]
5. (A) Write a note on Address Bus. [2½M]
(B) Explain Flash drive. [2½M]
(C) Explain the functions of VDU. [2½M]
(D) Write a note on Modem. [2½M]