Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

BCA Semester-III 2019-20, Exercises of Computer Science

svsgdshgdbcbdfhsjfhslkaflsakflsan

Typology: Exercises

2018/2019

Uploaded on 09/10/2019

sunil-poonia
sunil-poonia ๐Ÿ‡ฎ๐Ÿ‡ณ

1 document

1 / 11

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
BACHELOR OF COMPUTER
APPLICATIONS
(BCA)
(Revised Syllabus)
ASSIGNMENTS
(July - 2019 & January - 2020)
BCS-011 BCS-012
BCSL-013
SCHOOL OF COMPUTER AND INFORMATION SCIENCES
INDIRA GANDHI NATIONAL OPEN UNIVERSITY
MAIDAN GARHI, NEW DELHI โ€“ 110 068
BCA(Revised Syllabus)/ASSIGN/SEMESTER-I
pf3
pf4
pf5
pf8
pf9
pfa

Partial preview of the text

Download BCA Semester-III 2019-20 and more Exercises Computer Science in PDF only on Docsity!

BACHELOR OF COMPUTER

APPLICATIONS

(BCA)

(Revised Syllabus)

ASSIGNMENTS

(July - 2019 & January - 2020 )

BCS- 011 BCS- 012 BCSL- 013 SCHOOL OF COMPUTER AND INFORMATION SCIENCES INDIRA GANDHI NATIONAL OPEN UNIVERSITY MAIDAN GARHI, NEW DELHI โ€“ 110 068

BCA(Revised Syllabus)/ASSIGN/SEMESTER-I

CONTENTS Course Code Assignment No. Submission-Schedule Page No. For July- December Session For January- June Session BCA- 011 BCA(1)-011/Assignment/1 9 - 20 15 th^ October, 201 9 15 th^ April, 20 20 5 BCS- 012 BCA(1)-012/Assignment/1 9 - 20 15 th^ October, 201 9 15 th^ April, 20 20 8 BCSL- 013 BCA(1)L-013/Assignment/1 9 - 20 15 th^ October, 201 9 15 th^ April, 20 20 10 Important Notes

  1. Submit your assignments to the Coordinator of your Study Centre on or before the due date.
  2. Assignment submission before due dates is compulsory to become eligible for appearing in corresponding Term End Examinations. For further details, please refer to BCA Programme Guide.
  3. To become eligible for appearing the Term End Practical Examination for the lab courses, it is essential to fulfill the minimum attendance requirements as well as submission of assignments (on or before the due date). For further details, please refer to the BCA Programme Guide.

Course Code : ECO- 01 Course Title : Business Organization Assignment Number : BCA (1)/0 1 /Assignment/2019- 20 Maximum Marks : 100 Weightage : 25% Last Dates for Submission : 15 th^ October, 2019 (For July 2019 Session) : 15 th^ April, 2020 (For January 2020 Session) Here is the web-link of assignment https://webservices.ignou.ac.in/assignments/bcom.htm

Course Code : BCS- 011 Course Title : Computer Basics and PC Software Assignment Number : BCA (1)/011/Assignment/2019- 20 Maximum Marks : 100 Last Date of Submission : 15 th^ October, 2019 (For July, 2019 Session) 15 th^ April, 2020 (For January, 2020 Session) This assignment has three questions of 80 marks. Answer all the questions. Rest 20 marks are for viva voce. You may use illustrations and diagrams to enhance explanations. Please go through the guidelines regarding assignments given in the Programme Guide for the format of presentation. Please give precise answers. The word limit for each part is 200 words. Q1. (Covers Block 1) (7ร—4=28) a) Explain the von Neumann Architecture with the help of a diagram. Is this architecture used in the current personal computers? Justify your answer. Explain the role of integrated circuits in design of computers. Also, explain the classification of computer on the basis of technology. b) Explain the term binary digit. How binary number system is different from decimal number system? How do you represent a computer instruction in binary? Explain with the help of an example. List and explain the role of various components of a computer instruction. What is the role of bus and registers in instruction execution? c) Convert the following numbers as directed (i) Decimal 257.125 into binary and hexadecimal (ii) Decimal 999876789 into binary and hexadecimal (iii) String โ€œTest for number 45, @check" to ASCII and Unicode strings (iv) Hexadecimal 4F9A8C7D to decimal and binary d) What is the role of memory in a computer system? Why are primary and secondary memory needed in a computer system? What is RAM? How is it different to ROM? Which of the two, RAM or ROM is volatile? e) Define the term access time for a hard disk. Explain with the help of an example, how access time and storage capacity for magnetic disks are calculated. How is the storage capacity for a magnetic tape calculated? What are the differences in access mechanism for magnetic tapes and magnetic disks? f) Compare and contrast the following technologies (i) Light Pen and Touch screen (ii) Scanner and Optical Mark Reader (iii) LCD monitor and LED display (iv) Printers and Plotters

(i) You have joined a new company which maintains your daily activity logs and time devoted by you on different projects which company is doing. The company maintains these records for all the employees & projects. (ii) You need to send your resume along with an application to 20 different companies; you have name and address of HRD manager of all these companies stored in file. (iii)You need to record the transactions of a multinational company; the transaction may include purchases, sales and financial transactions. (iv) You have a very low budget for buying application software, though you have manpower with good computer skills what kind of software will you use for the company and why? Q3. (Covers Block 3) (6ร—4=24) (a) What are the advantages of using Computer Networks? Explain the following terms in the context of computer networks: (i) Circuit switching (ii) Half Duplex transmission (iii)Guided Channels (iv) Infrared transmission. (b) Explain the differences between the following, giving one application of each: (i) Ring Topology, Bus topology and star topology (ii) LAN, MAN and WAN (c) Explain the characteristics of the following networking devices: (i) Routers (ii) Modem (iii)Gateways (iv) Switches (d) Explain the layers of TCP/IP Model. What is an IP address? Explain the role of subnet mask with the help of an example. How does DNS translate a web address? Explain with the help of an example. (e) Explain the functions of browser and search engine in the context of Internet. You want to find commercial banks which offer house loans and debit cards but do not provide online services ; make efficient query or queries that will show the desired result as above. (f) Explain the following in the context of Internet and its applications: (i) E-learning and Moodle (ii) Electronic Educational Resources

Course Code : BCS- 012 Course Title : Basic Mathematics Assignment Number : BCA(1)012/Assignment/2019- 20 Maximum Marks : 100 Weightage : 25% Last Date of Submission : 15 th^ October, 2019 (For July, 2019 Session) 15 th^ April, 2020 (For January,2020 Session) Answer all the questions in the assignment which carry 80 marks in total. All the questions are of equal marks. Rest 20 marks are for viva voce. You may use illustrations and diagrams to enhance the explanations. Please go through the guidelines regarding assignments given in the Programme Guide for the format of presentation. Make suitable assumption if necessary Q1. Show that 1 ๐œ” ๐œ”^2 ๐œ” ๐œ”^2 1 = 0 ๐œ”^2 1 Where ๐œ” is a complex cube root of unity. Q2.

If A = , Show that A^2 - 4 A + 5 I 2 = 0. Also, find A^4. 2 1 Q3. Show that 133 divides 11n+2^ + 122n+1^ for every natural number n. Q4. If pth^ term of an A.P is q and qth^ term of the A.P. is p, find its rth^ term. Q5. If 1, ๐œ”, ๐œ”^2 are cube roots of unity, show that (2 โ€“ ๐œ”) (2 โ€“ ๐œ”^2 ) (2 โ€“ ๐œ”^19 ) (2 โ€“ ๐œ”^23 ) = 49. Q6. (^) If ฮฑ, ฮฒ are roots of x (^2) โ€“ 3ax + a (^2) = 0, find the value(s) of a if ฮฑ (^2) + ฮฒ (^2) = 7 4

Q7.

If y = ๐ผ๐‘› โˆš 1 +X โˆ’ โˆš 1 โˆ’X โˆš 1 +X + โˆš 1 โˆ’X , find dy dX

Q8. 2 - 1 0

If A = 1 0 3 , show that A (adj.A) = |A |I 3. 3 0 - 1

Course Code : BCSL- 013 Course Title : Computer Basics and PC Software Assignment Number : BCA(1)/L-013/Assignment/ 2019 - 20 Maximum Marks : 100 Weightage : 25% Last date of Submission : 15 th^ October, 2019(For July 2019 Session) : 15 th^ April, 2020 (For January 2020 Session) Answer all the questions in the assignment which carry 80 marks in total. Rest 20 marks are for viva voce. You may use illustrations and diagrams to enhance the explanations. Please go through the guidelines regarding assignments given in the Programme Guide for the format of presentation. Make suitable assumption if necessary Section1: Linux operating system Q1. (a) Run the following (Linux commands and write the output) (10)

  • ls-a
  • ls-l
  • mkdir
  • pwd
  • chmod (b) Perform the following tasks in Linux (6) (i) Display the last 20 lines of a text file (you need to create a text file) (ii) Display the first 15 lines of any text file (iii)To count the no of times word IGNOU has occurred in a text file. Section 2: Power point Q2. Create a Power Point Presentation on the important features of Windows OS (minimum 10 slides) (16) (i) All slides should follow the common design format (ii) Add a video to at least one slide which can be run on full screen option (iii)All the slides should have timer based transition. (iv) All the slides should have perform heading and slide notes. (v) Each slide should have one image related to Windows operating system.

Section 3: Word Processing Q3. (a) Create a letter head of your study center where you are enrolled and insert the water mark with that study center name in the letter head. The following guidelines to be followed. (8)

  • The logo of the company should be placed in the center.
  • Name, address โ€“ left side should be placed at.
  • Email ID, IP address of the study center should be shown at right side.
  • Display the ruler bar and the vertical bar to the top of the page. (b) Design a flyer for admission to the foreign university. It should contain โ€œvisit our counselors for admission in the foreign Universityโ€ Use different font style, age, colors, effects, alignment to create the flyer. (8) Section 4: Worksheet Q4. Create a work sheet for pricing information of a company which sales computers &peripheral devices. You are required to calculate discount, sales price(MRP- Discount) and profit margin(MRP-sales price) (16) Product Product code Manufacturing cost MRP Discount (10%) Sales price Profit margin Computer C- 1 25000.00 27000.00 - - - Laser printer

C- 2 5000.00 6000.

Filing cabinet

C- 3 6000.00 7000.

27 th monitor

C- 4 2000.00 3000.

Mouse C- 5 400.00 500. Section 5: Browsing and Discussion Forum Q5. Collaborate online (in a group) on Google docs to create a presentation on โ€˜Smart Phone designโ€™. All the group should work on the presentation simultaneously from their respective machines. Use speaker notes for any online discussion and present a comprehensive report. (The report should comprise the latest trends in the design of smart phones). (16)