GCSE Computing

Computer Science Year 11

Use the menu bar to access individual pages

Topics to be revised for the test:

• Theory
• Understand and be able to describe a Wide Area Network (WAN) and a Local Area Network (LAN).
• Understand and be able to describe star topology, ring topology and bus topology.
• Understand RAM(Random Access Memory) and its size.
• Understand and explain why we use virtual memory.
• Add two 4 bit binary numbers together.
• Convert from binary to denary and denary to binary.
• Convert from denary to hexadecimal and hexadecimal to denary.
• Understand and explain the term overflow.
• Understand and explain the purpose of HTML (Hypertext Markup Language)
• Understand the purpose of extension files such as JPG and MPEG.
• Understand and identify input, output and storage on a given device.
• Explain and understand secondary storage to include magnetic, optical and solid state. Identify the advantages and disadvantages of each.
• Understand and explain the difference between proprietary and open source software.
• Understand and identify data types of given data. For example integer is a whole number, string is letters and numbers.
• Understand NOT, AND, and OR gates completing a truth table for each gate.
• Be able to understand and identify variables from an algorithm.
• Be able to write algorithms to solve a problem.
• Understand the basic principles of a database.
• Understand the basic principles of a Database management System (DBMS)