IGCSE Class 10 computer science Question Paper 2023

Practice authentic previous year questions for better exam preparation.

Sample Questions

Binary is a number system used by computers. which statement about the binary number system is correct.
Denary numbers are converted to binary numbers to be processed by a computer. Convert these three denary numbers 50, 102 and 221 to 8 -bit binary numbers.
Binary numbers are stored in registers. Negative denary numbers can be represented as binary using two's complement. Complete the binary register for the denary number -78 Register:
Two 8-bit binary numbers are given. Add the two 8 -bit binary numbers using binary addition. Give your answer in binary.
Two binary numbers are added by a computer and an overflow error occurs. Explain why the overflow error occurred.