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IGNOU COMPUTER BASICS AND PC SOFTWARE: BCS-011 December, 2017 Solved Question Paper
Note: Question number 1 is compulsory and carries 40 marks. Attempt any three questions from the rest.
Q1. (a) Convert the following decimal numbers to binary number and hexadecimal number:
(i) 125
Ans. FULL Answer CLICK HERE
(ii) 0.025
Ans. FULL Answer CLICK HERE
(b) Define the term Main Memory. List the differences between RAM and ROM.
Ans. Refer to Chapter-3, Q.No.-2 CLICK HERE
(c) Define the terms Tracks, Sectors and Cylinders in the context of a hard disk. A disk pack has 12 platters (plates) having 2048 tracks on every surface. It can store 1024 bytes per sector (assume each track has 512 sectors). Calculate the storage capacity of this disk in gigabytes.
Ans. Refer to Chapter-3, Q.No.-2 CLICK HERE
(d) List two functions of File management and three functions of Memory management systems in the context of Operating systems.
Ans. Refer to Chapter-7, Q.No.-2 CLICK HERE
(e) What is the role of a Compiler in a computer? How is a Compiler different from an Interpreter?
Ans. Refer to Chapter-5, Q.No.-4 CLICK HERE
(f) List the advantages of using formulae and macros in a spreadsheet software.
Ans.
(g) For the following IPv4 subnet masks, what would be the size of Net ID and Device ID?
(i) 255.255.0.0
Ans. FULL Answer CLICK HERE 
(ii) 255.255.255.0
Ans. FULL Answer CLICK HERE
(h) What is LAN? What are the advantages of LAN?
Ans. Refer to Chapter-10, Q.No.-9 CLICK HERE
(i) What are the features of a browser software?
Ans. FULL Answer CLICK HERE
Q2. (a) What is a Parallel port? How is it different from a Serial port? For connecting a printer, which of the two (serial/parallel) ports will be preferred? Justify your answer.
Ans. Refer to Chapter-4, Q.No.-3 CLICK HERE
(b) Draw a flowchart to find the sum of the first n natural numbers.
Ans. Refer to Chapter-8, Q.No.-5 (b) CLICK HERE
(c) What is a Wiki? What are its characteristics? How can it be used for educational purposes? Explain with the help of an example.
Ans. FULL Answer CLICK HERE
Q3. (a) What is meant by Open Source Software? Explain the developmental model and licensing of open source software.
Ans. Refer to Chapter-6, Q.No.-3 CLICK HERE
(b) Explain the uses and functions of the following networking devices:
(i) Modem
(ii) Repeater
(iii) Router
(iv) Gateway
Ans. Refer to Chapter-10, Q.No.-11 CLICK HERE
(c) What are the various components of a CPU? Explain the role of each component. How is a CPU interfaced with memory? Explain.
Ans. Refer to Chapter-2, Q.No.-7 CLICK HERE
Q4. (a) Differentiate between the following:
(i) Packet and Circuit switching
Ans. Refer to Chapter-10, Q.No.-6 CLICK HERE
(ii) Full-duplex and Half-duplex data transmission
Ans. Refer to Chapter-10, Q.No.-6 CLICK HERE
(iii) Twisted pair and Optical fibre cable
Ans. Refer to Chapter-10, Q.No.-7 CLICK HERE
(b) Explain the advantages of source data-entry devices. Describe the features of any three source data-entry devices.
Ans. Now, Refer to Chapter-4, Q.No.-2 CLICK HERE
(c) Explain the features of Procedural Programming Languages with the help of an example. How is Object Oriented Programming different from Procedural Programming?
Ans. FULL Answer CLICK HERE
Q5. Explain any five of the following with the help of an example/diagram, if required:
(a) Disk Defragmenter
Ans. FULL Answer CLICK HERE
(b) Workstation
Ans. Refer to Chapter-5, Q.No.-2 CLICK HERE
(c) CD-ROM Disk Layout
Ans. FULL Answer CLICK HERE
(d) Advantages of e-mail
Ans. Refer to Chapter-9, Q.No.-6 CLICK HERE
(e) Two-Tier Client-Server Architecture
Ans. Refer to Chapter-6, Q.No.-2 CLICK HERE
(f) Features of Project Management Software
Ans. FULL Answer CLICK HERE
(g) Moodle
Ans. Refer to Chapter-12, Q.No.-4 CLICK HERE
(h) DNS
Ans. FULL Answer CLICK HERE