Logic Gate Gap Fill Exercise
Further Readings: Logic gate
Hardware & Software
The physical parts or components of a computer, including monitors, keyboard, memory, storage devices and more.
Logic Gate Diagram Problems
Further Readings: Logic gate
Input Devices Matching Exercise
Further Readings: Input device
CPU Multi-Choice Quiz 2
Further Readings: Central processing unit
CPU Multi-Choice Quiz 1
Further Readings: Central processing unit
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. Further Readings: Central processing unit
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! Further Readings: Binary logic
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 …
Input devices, processing & output devices
Candidates should be able to: Why does a computer system need input devices? Input devices are needed so that data can be entered into a computer system, to be stored or processed. Some input devices are manual, such as a keyboard or mouse, and some are automatic, such as a barcode reader or a webcam. …
Memory – RAM, ROM, Cache, Flash & Virtual
Candidates should be able to: describe the difference between RAM and ROM explain the need for ROM in a computer system describe the purpose of RAM in a computer system explain how the amount of RAM in a personal computer affects the performance of the computer explain the need for virtual memory describe cache memory …
Boolean logic – Binary Logic
Candidates should be able to: Why is data represented in computer systems in binary form? Computer systems are based on logic circuits. This type of circuit only has two states. For example, a current can either be flowing/not flowing or a switch can be either on/off. These two states are easily and reliably detected and …
Fundamentals of Computer Systems
Computer Systems Candidates should be able to: This topic introduces computer systems and provides a foundation for the remaining topics in this unit. Candidates should develop a mental model of a computer system which comprises hardware and software and in which: What is a computer system? As well as the personal computer, this definition applies …