Singapore O-Level / G3 ComputingVLOOKUP, INDEX and MATCH for G3 Computing: Spreadsheet Functions for O-Level Paper 2Spreadsheet functions in G3 Computing (Syllabus K349) are the 42 built-in functions listed under Module 3.2 Functions, such as IF, SUMIF, COUNTIF,...
Singapore O-Level / G3 ComputingTwo’s Complement, Binary and Hexadecimal for O-Level / G3 ComputingTwo’s complement is the method computers use to store negative whole numbers in binary: the leftmost bit has a negative place value, so in 8 bits it is worth...
Singapore O-Level / G3 ComputingLogic Gates and Truth Tables for O-Level / G3 ComputingA truth table lists every possible combination of inputs to a logic circuit and the output each combination produces. Logic gates are the building blocks of those circuits: AND, OR,...
