OGE Computer Science Preparation: Tasks 8, 9, and 10

Mastering key quantitative tasks on the OGE Computer Science exam requires a solid grasp of fundamental concepts in logic, graph theory, and numerical representations. This comprehensive written guide breaks down Tasks 8, 9, and 10 into clear, approachable rules and repeatable problem-solving strategies. By studying structured text explanations and worked examples, you will build confidence in analyzing logic requirements and executing accurate calculations without relying on guesswork. What you'll learn: Understand key terminology, set theory basics, and logical operators like AND, OR, and NOT. Solve search query problems using set relations and overlapping region calculations. Analyze directed graphs to accurately count total valid routes between vertices. Convert numbers between binary, octal, decimal, and hexadecimal systems. Compare and order numerical values across different positional bases. Apply step-by-step verification techniques to eliminate common calculation errors. The course begins with core definitions, logical principles, and number system structures before moving into practical task walkthroughs and written practice exercises. Designed specifically for students and beginners preparing for the exam, this course requires no previous programming experience. Read through the lessons today to sharpen your skills and improve your score.