Quelpr
4 marksTesting Algorithms

CSEC Information Technology · 2022 · Paper 2 · Question 4(f)

Complete the trace table by inserting the missing values for the variables in EACH row representing the first THREE times the pseudocode loops.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)Identify TWO variables which when added will always be equal to the monthly repayment amount of $1000.[2 marks]
  2. 4(b)(i)The pseudocode has a logic error. Identify the line with the error and make the necessary corrections.[2 marks]
  3. 4(b)(ii)Identify the stage in program implementation where the type of error stated in (b)(i) will show up and state the consequences of the error.[2 marks]
  4. 4(c)State the type of looping construct used in the pseudocode.[1 mark]
  5. 4(d)Suggest ONE reason why the looping construct stated in (c) was used in the pseudocode.[2 marks]
  6. 4(e)Explain ONE other named looping construct that could be used in the program.[2 marks]
  7. 4(g)(i)Describe the concept of 'telecommuting' and state ONE reason why telecommuting is so impactful.[2 marks]
  8. 4(g)(ii)Describe the term 'denial-of-service (DOS) attack', giving ONE example.[3 marks]
  9. 4(g)(iii)State ONE similarity and ONE difference between Bluetooth and Wi-Fi technologies.[2 marks]
  10. 4(g)(iv)State TWO advantages and ONE disadvantage of buying software applications stored in the cloud.[3 marks]

More practice: the rest of this paper · more Testing Algorithms questions · all CSEC Information Technology past papers