Data Representation & Storage is one of 9 topics in the Grade 10 Information Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What is the smallest unit of data a computer can store, holding a single 0 or 1?
A bit
A byte
A file
A folder
Answer: A bit — A bit (binary digit) is the smallest unit of data a computer can store, holding a single 0 or 1.
Easy
2. How many bits make up one byte?
Answer: 8 — A byte is a group of 8 bits, and is the standard unit used to measure most data sizes.
Medium
3. Convert the binary number 1101 to decimal.
Answer: 13 — 1101 in binary = (1x8) + (1x4) + (0x2) + (1x1) = 8+4+0+1 = 13 in decimal.