IGNOU BCA BCS 54 Computer Oriented Numerical Techniques Solved Assignment English
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BCS 54: Computer Oriented Numerical Techniques
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| Title Name | IGNOU BCA BCS 54 Computer Oriented Numerical Techniques Solved Assignment English |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BCA |
| Course Name | Bachelor of Computer Applications |
| Subject Code | BCS 54 |
| Subject Name | Computer Oriented Numerical Techniques |
| Year | 2025 2026 |
| Session | - |
| Language | English |
| Assignment Code | BCS 54/Assignment-1/2025 2026 |
| Product Description | Assignment of BCA (Bachelor of Computer Applications) 2025 2026. Latest BCS 054 2025-26 Solved Assignment Solutions |
| Format | Ready-to-Print PDF (.soft copy) |
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BCS 54 2025 2026 - English
Course Code : BCS-054
Course Title : Computer Oriented Numerical Techniques
Assignment Number : BCA(V)/054/Assignment/2025-26
Maximum Marks : 100
Weightage : 25%
Last Dates for Submission : 31st October, 2025 (For July, Session)
30th April, 2026 (For January, Session)
This assignment has seven questions of total 80 marks. Answer all the questions. 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. Illustrations/ examples, where-ever required, should be different from those given in the course material. You must use only simple calculator to perform the calculations.
Q1. (a) Find floating point representation, if possible normalized, in the 4-digit mantissa, two digit exponent, if necessary use approximation for each of the following numbers:
(i) 27.94 (ii) -0.00943 (iii) -6781014 (iv) 0.0644321
Also, find absolute error, if any, in each ca
(b) Convert the decimal integer -465 to binary using both the methods (as shown in Pg No: 16 of Block-1) . Show all the steps.
(c) Convert the number given as binary fraction –(0.101110101)2 to decimal.
(d) Find the sum of the two floating numbers x1= and x2=
. Further express the result in normal form, using (i) Chopping (ii) Rounding. Also, find the absolute error.
Q2. (a) Solve the system of equations
using Gauss elimination method with partial pivoting. Show all the steps.
(b) Perform four iterations (rounded to four decimal places) using
(i) Jacobi Method and
(ii) Gauss-Seidel method ,
With . The exact solution is (1, -4, -5)T.
Which method gives better approximation to the exact solution?
Q3. Determine the smallest positive root of the following equation:
for the following system of equations.
f(x) = x3 – 9x2 - x + 9 = 0
to three significant digits using
(a) Regula-falsi method (b) Newton-Raphson method
(c) Bisectionmethod (d) Secant method
Q4. (a) Find Lagrange’s interpolating polynomial for the following data. Hence obtain the value of f(4).
| x | 0 | 2 | 3 | 5 |
| f(x) | 2 | 11 | 21 | 121 |
(b) Using the inverse Lagrange’s interpolation, find the value of x when y=3 for the following data:
| x | 25 | 35 | 55 | 75 |
| y=f(x) | -2 | -1 | 1 | 5 |
Q5. (a) The population of a country for the last 25 years is given in the following table:
Year (x) : 1995 2000 2005 2010 2015
Population in lakhs (y) : 678 1205 1855 2745 3403
(i) Using Stirling's central difference formula, estimate the populationfor the year 2007
(ii) Using Newton’s forward formula, estimate the population for theyear 1998.
(iii) Using Newton’s backward formula, estimate the population for theyear 2013.
(b) Derive the relationship for the operators δ in terms of E.
Q6. (a) Find the values of the first and second derivatives of y = f(x) for x=2.1 using the
following table. Use forward difference method. Also, find Truncation Error (TE) and actual errors.
| x : | 2 | 2.5 | 3 | 3.5 |
| y : | 8.7 | 12.7 | 16.8 | 20.9 |
(b) Find the values of the first and second derivatives of y = f(x) for x=2.1 from the following table using Lagrange’s interpolation formula. Compare the results with (a) part above.
| x : | 2 | 2.5 | 3 | 3.5 |
| y : | 8.7 | 12.7 | 16.8 | 20.9 |
Q7. Compute the value of the integral
By taking 8 equal subintervals using (a) Trapezoidal Rule and then
(b) Simpson's 1/3 Rule. Compare the result with the actual value.
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Course: Bachelor of Computer Applications (BCA)
Subject: BCS 54 - Computer Oriented Numerical Techniques
Session: January 2026 - December 2026
Language: English
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Product Information
| Course Name | Bachelor of Computer Applications |
| Course Code | BCA |
| Subject Code | BCS 54 |
| Subject | Computer Oriented Numerical Techniques |
| Programme | BACHELOR DEGREE PROGRAMMES Courses |
| Language | English |
| Material Type | Solved Assignment – Soft Copy / PDF |
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