Year 9 Sept Assessment.docx

**Year 9-- Computing --** **September Assessment Window** A red and white logo Description automatically generated Name: ------------------- ---- Date: Teacher: Mark:         /48 \% **[Section 1: Spaced Learning (11 marks)]** 1. What is an...

**Year 9-- Computing --** **September Assessment Window** A red and white logo Description automatically generated Name: ------------------- ---- Date: Teacher: Mark:         /48 \% **[Section 1: Spaced Learning (11 marks)]** 1. What is an algorithm? (1 Mark).  a. Patterns and trends used to solve a problem.  b. A set of step-by-step instructions to resolve a problem.  c. A programming language.  2. What are algorithms used for? (1 Mark)  a. To plan out the solution to a problem.  b. As a platform to program a solution.  c. To test a solution to a problem.  3. Match the three logic gates to their name and description. \[6 Marks\]          **AND**    The output is only given if both inputs are true.  ------------------------------------------------- --- ---------- --- ------------------------------------------------------------------ Image result for and gate    **OR**    Reverses the output of the given input.      **NOT**    As long as one of the inputs are true, the output will be true.  4. What is binary? (1 Mark).  a. A sequence of 1s and 0s.  b. The way a computer speaks.  c. Useless code that is no longer used.  5. What is the correct way to create a variable named age and assign the value 30 to it in Python? (1 Mark).  d. age = 30 e. int age = 30 f. var age = 30 g. let age = 30 6. Which of the following is used to check if two values are equal in Python? (1 Mark).  A. = B. == C. === D. != Section 2: Lots of written practice 7. Name the following Flowol symbols (5 Marks):  Shape    Shape   d.  Shape e. 8. Draw and create the Truth Table for the following Logic Gate circuit.  \[10 marks\]  A diagram of a circuit Description automatically generated with medium confidence 9. Convert the following binary numbers to denary. (10 marks) a. 00001111 (2 Marks) ......................................................................................................................................................................................................................................................................................................... b. 00000101 (2 Marks) ............................................................................................................................................................................................................................................................................................................ c. 00001010 (2 Marks) ............................................................................................................................................................................................................................................................................................................  10. Convert the following denary numbers to binary.  a. 10 (2 Marks) ............................................................................................................................................................................................................................................................................................................  b. 14 (2 Marks) .........................................................................................................................................................................................................................................................................................................  8. Look at the following sensors: (12 marks)   a. i\) What is this sensor? (1 Mark)  ...............................................................................................................................    ii. Where might this be used? (2 Marks) ......................................................................................................................................................................................................................................................................................................  iii\) Explain how this sensor work, discuss inputs & outputs. (3 Marks) ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................  b. i\) What is this sensor? (1 Mark)  ...............................................................................................................................................                        ii) Where might this be used? (2 Marks) ................................................................................................................................................................................................................................................................................................  iii\) Explain how this sensor work, discuss inputs & outputs. (3 Marks) ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................