NSSCAS Computer Science (8231) case studies
NSSCAS Computer Science (8231) · Put your knowledge to work in context.
The Namibia Senior Secondary Certificate Advanced Subsidiary (NSSCAS) Computer Science (8231) is a one-year qualification offered in Namibia and examined in English. It sits between ordinary-level study and full A-level, and is aimed at learners who want a formal, examinable grounding in computing before university, vocational training, or employment. The syllabus balances theory and problem-solving: data representation, networks, hardware and architecture, system software, security and legal/ethical issues, databases, algorithm design, programming and data structures, and software development. Assessment is written and paper-based; candidates should be ready to answer structured short-answer questions, write extended responses, trace and correct algorithms, and produce program code and data-structure designs on paper without a live coding environment. The NSSCAS Computer Science (8231) case studies are 5 cases and about 4,490 words.
1Packing Locker Telemetry for a Low-Data SIM Plan
A bike-share cooperative operates 2,400 lockers across three towns. Each locker reports every 5 minutes: a 12-bit locker ID (1–2400), battery voltage 0.0–5.0 V in 0.1 V steps, temperature −20 to +60 °C in 1 °C steps, a locked/unlocked flag and a 3-bit error code.
941 words, about 5 min2School Wi-Fi Meltdown at Lesson Change
Northbridge Secondary School has 1,050 students and 120 staff. Three buildings are linked by 1 Gbps fibre, but every wired and wireless device is on a single VLAN using 10.10.0.0/16.
928 words, about 5 min3CCTV Recorder Upgrade at a Garden Centre
A garden centre has 16 IP cameras. Each streams H.264 video at an average 4 Mbps, 24 hours a day.
847 words, about 4 min4Ransomware at a Community Advice Charity
A community advice charity has 45 paid staff and 12 volunteers. It holds case notes, scanned identity documents and benefit records for 8,000 clients on a cloud file-sharing service and a local Windows file server.
887 words, about 4 min5Duplicate Seat Booking at the Ardwick Theatre
The Ardwick Theatre has 620 seats and sells tickets through two box-office terminals and a website. Its database has a Performance table, a Seat table and a Booking table.
887 words, about 4 min