Hardware & Software

The physical parts or components of a computer, including monitors, keyboard, memory, storage devices and more.

CPU Crossword Puzzle

Complete the crossword, then click on “Check” to check your answer. If you are stuck, you can click on “Hint” to get a free letter. Click on a number in the grid to see the clue or clues for that number . . . This content is restricted to subscribers

Binary Logic Gap Fill

Fill in all the gaps, then press “Check” to check your answers. Use the “Hint” button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints . . . This content is restricted to subscribers

Secondary Storage: Definition, Technology & Devices

Candidates should be able to: explain the need for secondary storage describe common storage technologies such as optical, magnetic and solid state select suitable storage devices and storage media for a given application and justify their choice using characteristics such as capacity, speed, portability, durability and reliability. Why is secondary storage needed? Although RAM can …

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Boolean logic – Binary Logic

Candidates should be able to: explain why data is represented in computer systems in binary form understand and produce simple logic diagrams using the operations NOT, AND and OR produce a truth table from a given logic diagram. Why is data represented in computer systems in binary form? Computer systems are based on logic circuits. …

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