Information and Communication Technology: UPSC Previous Year Questions (Science and Technology)
1 previous year UPSC Prelims question on Information and Communication Technology (Science and Technology). Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 1–1 of 1 question
UPSC 2000Science and Technology · Information and Communication Technology
Q1. The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of:
Explanation
In computing, memory is typically measured in units such as 1 byte = 8 bit (short for binary digit) or megabytes (MB). A byte is the basic unit of digital information storage and consists of eight binary digits, commonly referred to as bits. Each bit represents a binary value of either 0 or 1, enabling a byte to store 2^8 (256) possible values, ranging from 0 to 255 in decimal notation. This structure forms the foundation of data representation in computers.
Answer key for these questions
Q
UPSC year
Correct answer
1
2000
(a) eight binary digits
Frequently asked questions
How many previous year UPSC questions are there on Information and Communication Technology?
This page covers 1 previous year UPSC Prelims GS Paper-I questions on Information and Communication Technology (Science and Technology), asked from 1999 to 2025. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for Information and Communication Technology?
Questions on Information and Communication Technology (Science and Technology) are available for 16 years, from 1999 to 2025. Use the Year filter to practise a single paper.
