Churchill Computing Yr9 Mocks

Churchill Computing Yr9 Mocks

1. Algorithmic Thinking

   • Being able to solve problems.
   • Sequence
   • Iteration
   • Selection

2. Computer Hardware

   • Systems Architecture
     • CPU
       • Clock
         • Speed
         • Ticks
     • Registers
     • Buses
     • Cache
   • Memory

3. Boolean Logic

   • Gates
     • AND
       • Add the two together.
     • OR
       • Highest possible.
     • NOT
       • The other possible outcome.
   • Truth Tables
     • They show all possible outcomes.

4. Number Representation

   • Binary
     • Made up of 1s and 0s that correspond to values, making a number when added in a certain order.
   • Denary
     • Any number that Binary and Hex are/can be converted into.
   • Hexadecimal
     • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
     • Times the first number or letter by 16 and add the second onto the end answer