Question 1
Which number system uses only the digits 0 and 1?
- Binary
- Octal
- Hexadecimal
- Decimal
Show the answer
Binary
Science · Technology & Computing
Computer Science trivia quiz
Think you know Computer Science? Prove it against a real opponent. QuizDown has over 120 Computer Science questions, from easy to expert, and you’re matched with a real player who gets the same seven.
What the Computer Science questions cover
- Databases
- Distributed Systems
- Operating Systems
- Complexity Theory
- Graph Algorithms
- Programming
- Compilers
- Computability
- Cybersecurity
- Data Structures
- Formal Languages
- Memory Management
Try three Computer Science questions
Question 2
Which computer component performs most of a machine's calculations and instructions?
- Monitor
- CPU
- Keyboard
- Hard drive
Show the answer
CPU
Question 3
Which type of memory temporarily stores data while programs are running?
- ROM
- SSD
- RAM
- DVD
Show the answer
RAM
In a real match you’d have ten seconds for each, and faster right answers score more.
How a Computer Science match works
- Seven rounds. The same seven Computer Science questions for you and your opponent.
- Ten seconds each. A right answer in two seconds scores 20; at the buzzer, 11.
- The last round counts double. It’s never over until it’s over.
Your Computer Science ranking is its own: climb it without your other topics dragging you down.