Troubleshooting Hardware
What should you check if a printer isn’t printing?
What is the printer cartridge or cable connection.
What does a range check ensure?
What is data falls within a specified range
What does verification ensure?
What is data entered matches the original source.
Name a real-world use of validation techniques.
What is filling out online forms to ensure correct information.
What does the term "data" refer to?
What is raw facts and figures that have not been processed.
What type of problem might a loose cable cause?
A device not powering on or connecting properly.
What type of check ensures data is entered in the correct format?
What is format check .
What is double entry verification?
What is data is entered twice and compared for accuracy.
Why is verification important when entering exam scores?
What is to ensure accuracy and fairness in results.
What does "information" mean in the context of data processing?
What is processed data that is meaningful and useful.
Name one troubleshooting step for a monitor that isn’t displaying anything.
What is check the power source and HDMI/VGA cable connections.
What is a reasonableness check used for?
To ensure data is logical or makes sense
What verification method involves checking for typographical errors?
What is Proofreading.
Which application would benefit most from range checks: a payroll system or a game ?
What is a Payroll system
What type of software is an operating system?
What is System software.
What is a common sign of a dead laptop battery?
What is the laptop shuts down quickly or does not turn on without being plugged in
What validation technique would prevent entering text in a numerical field?
What is data type check.
How does verification differ from validation?
What is validation ensures data is reasonable; verification ensures data is accurate.
What validation technique is essential for airline ticket booking?
What is length check (e.g., ticket numbers).
Name one example of an application that uses both validation and verification techniques.
What is online banking.
What is the first step in diagnosing any hardware issue?
Check for loose or disconnected cables.
What validation method checks if required fields are filled in?
What is presence check.
Give an example of verification in everyday life.
What is confirming your email address by entering it twice when signing up for an account
Why is data type validation important in a shopping cart system?
What is to prevent errors like entering letters in quantity fields.
What is the difference between hard copy and soft copy data?
What is hard copy is printed on paper, while soft copy is electronic/digital.