ISC 2018 Computer Practical Question 1 A Goldbach number is a positive even integer that can be expressed as the sum of two odd primes. Note: All even integer numbers greater than 4 are Goldbach numbers. Example: 6 = 3 + 3 10 = 3 + 7 10 = 5 + 5 Hence, 6 has […]

# ISC Computer

## ISC 2018 – Computer Practical Question 3 Solution

ISC 2018 Computer Practical The names of the teams participating in a competition should be displayed on a banner vertically, to accommodate as many teams as possible in a single banner. Design a program to accept the names of N teams, where 2 < N < 9 and display them in vertical order, side by […]

## ISC practical – Amicable numbers between 1 and a number given by the user

Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. The smallest pair of amicable numbers is (220, 284). They are amicable because the proper divisors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, of […]

## ISC Practical – Composite and Prime

ISC practical program Write a program to input a number and check whether the number is a composite number or not. If the number is a composite number check if its sum of digits is prime or not and print appropriate messages.

## ISC practicals – Program to print all automorphic numbers between 1 and n

ISC practicals – Program to print all automorphic numbers between 1 and n, where n is a number given by the user. In mathematics an automorphic number is a number whose square “ends” in the same digits as the number itself. For example, 52 = 25, 62 = 36, 762 = 5776, 3762 = 141376,and […]

## ISC Computers – Analysis and Marking Scheme 2017

This document aims to provide a comprehensive picture of the performance of candidates in the subject. It comprises of two sections, which provides Qualitative analysis results in terms of performance of candidates in the subject for the ISC Year 2017 Examination. The details of the Quantitative and the Qualitative analysis are given below.