Topic 2

Click on the Topic code (e.g. 2.1.1) to download the class slideshow on that topic:

2.1 – Computer organization (HL & SL)

Point Description PDF More
Computer Architecture
2.1.1 Outline the architecture of the central processing unit (CPU) and the functions of the arithmetic logic unit (ALU) and the control unit (CU) and the registers within the CPU 2.1.1  BBC link

Video 2

2.1.2 Describe primary memory. Distinguish between random access memory (RAM) and read-only memory (ROM), and their use in primary memory 2.1.2 BBC link
2.1.3 Explain the use of cache memory 2.1.3 BBC link
2.1.4 Explain the machine instruction cycle 2.1.4 Simulation
Secondary memory
2.1.5 Identify the need for persistent storage 2.1.5  BBC link
Operating systems and application systems
2.1.6 Describe the main functions of an operating system 2.1.6  BBC Link
2.1.7 Outline the use of a range of application software 2.1.7  BBC Link
2.1.8 Identify common features of applications 2.1.8
Binary representation
2.1.9 Define the terms: bit, byte, binary, denary/decimal, hexadecimal 2.1.9  BBC Link
2.1.10 Outline the way in which data is represented in the computer 2.1.10  BBC Link
Simple logic gates
2.1.11 Define the Boolean operators: AND, OR, NOT, NAND, NOR and XOR 2.1.11  BBC Link
2.1.12 Construct truth tables using the above operators 2.1.12
2.1.13 Construct a logic diagram using AND, OR, NOT, NAND, NOR and XOR gates 2.1.13  Logicly