Resit2026Proposed solution included

CSC 303 Computer organization and architecture Resit 2026

CSC 303: University of Buea First Semester Resit Examination 2025/2026, 25/02/2026, 2hrs, U-Block E, Nyanga B. \& Mukete S.E., University of Buea, Faculty of Science, Dept of Computer Science: a clean printed copy, no handwritten contamination. Section A's Boolean-expression/function definitions and a De Morgan's/distributive-law reduction of a 3-variable complemented-product expression to a clean XOR-based minimal form, applied to a modulo-8-counter/three-course exam-supervision word problem (full 8-row truth table, K-map with 3 prime-implicant groups, logic-gate derivation, oscilloscope-waveform description, sequential-vs-combinational distinction, S-R flip-flop structure); Section B's 15-mark Programmed-I/O vs.\ Interrupt-Driven-I/O vs.\ DMA comparison explaining DMA's indispensability for high-speed transfer, and a 20-item MCQ block on pipelining, hazards, the memory hierarchy, cache mapping, virtual memory, and addressing modes.

Open in Shoracy

Opens this paper in the app on your phone.

University of Buea

Faculty of Science - FS

Computer Science - CSC

CSC3032026

Computer organization and architecture

Resit · First Semester Resit · Level 300

From this paper

Compare and contrast Programmed I/O, Interrupt-Driven I/O, and Direct Memory Access (DMA). Discuss why DMA is indispensable for high-speed data transfer systems.
2.
Write down the letter of the correct Answer (20 Marks)

Open in the app to read the full paper and its proposed solution.

View solution Open in Shoracy