Computer Science Fundamentals
Hard Difficulty
Computer Science: Challenge Combination - Hard Mixed Mock
Independent hard practice covering Combinational Circuits; Input-Output Systems; Context-Free Grammars; Combinatorics for Computing; Cryptography Foundations; Information-Security Principles. Learning focus: move between the listed topic areas, identify the relevant method and maintain accuracy under a defined practice time budget. Blueprint: 60 single-best-answer MCQs at one mark each, 95 minutes and a practice pass target of 36/60. Timings and thresholds are editorial practice settings, not an official examination scheme.
Time Limit
95 mins
Questions
15 Qs
Total Marks
60
Negative Marking
-0
Official Candidate Instructions
- • Duration: The test runs strictly for 95 minutes. The server timer will automatically submit your exam when time expires.
- • Marking Scheme: Each correct response awards 1.0 mark. Each incorrect response incurs a deduction of 0 marks. Unattempted questions carry zero marks.
- • Review Palette: You can mark questions for review and return to them anytime before final submission.
- • Passing Threshold: Minimum qualifying score is 36 marks.
Resumable session: your progress is safely saved automatically.