6CISC processors are characterised by:AFixed one-cycle instructionsBOnly simple instructionsCMany complex instructions, some taking several cyclesDNo memory instructionsView AnswerDiscussWorkspaceReportSaveEasy
7Using Amdahl's law, if 80% of a program is sped up 4 times, the overall speed-up is:A4B3.2C2D2.5View AnswerDiscussWorkspaceReportSaveMedium
8Direct-mapped cache maps each memory block to:ANo lineBA set of linesCExactly one cache lineDAny cache lineView AnswerDiscussWorkspaceReportSaveEasy
9Which cache write policy updates main memory only when a line is evicted?AWrite-backBWrite-onceCWrite-aroundDWrite-throughView AnswerDiscussWorkspaceReportSaveEasy
10In the von Neumann architecture:AInstructions and data have separate memoriesBThere is no memoryCOnly data is storedDInstructions and data share the same memoryView AnswerDiscussWorkspaceReportSaveEasy