Pearson Edexcel GCSE (9-1) · Computer Science (1CP2)

Input/output: Practice Questions

5 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Input/output.

9 questions20 marksFree, no account

Question 1

1 mark

In programming, which command is typically used to display data on the screen for the user to see?

Question 2

1 mark

Which type of validation check would be most effective to ensure a user enters a password that is at least 8 characters long?

Question 3

1 mark

A program reads data from a CSV file. Which of the following best describes the structure of a CSV file?

Question 4

1 mark

Which programming command is used to display information to the user on the screen?

Question 5

1 mark

Which of the following describes the process of checking if a user has entered a value into a required field?

Question 6

2 marks

State the name of the programming technique that allows a program to accept data from a user via a keyboard.

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

A program reads a list of names from a file. Describe one benefit of using a comma-separated value (CSV) format for this file.

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Question 8

5 marks

A developer is creating a login system. Explain why authentication is required after the user provides their ID and password.

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Question 9

5 marks

A software module reads data from a text file named log.csv.

(a) Describe the purpose of using validation when reading data from an external file.
(b) Provide two examples of validation checks that could be applied to a "UserAge" field read from the file.
(c) Write a code snippet to show how a program would open a file and read its contents.

Write your answer out first, then check it against the worked solution.

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