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DIGITAL TECHNOLOGIES SS2
Contributed by: Onosue
  • 1. A variable in programming is
A) a network connection
B) a hardware component
C) a programming language
D) a memory location used to store data
  • 2. Artificial Intelligence refers to the ability of computers to
A) think and learn like humans
B) repair hardware
C) cook food
D) type documents
  • 3. Which of the following is a programming language?
A) Python
B) Keyboard
C) Kaspersky
D) Norton
  • 4. The process of correcting wrong or duplicate data is known as
A) data cleaning
B) data storage
C) data collection
D) data transmission
  • 5. The symbol used to represent a decision in a flowchart is
A) rectangle
B) oval
C) diamond
D) parallelogram
  • 6. A step-by-step procedure used to solve a problem is called
A) compiler
B) database
C) algorithm
D) program
  • 7. Which of the following data types stores text?
A) Boolean
B) Integer
C) Float
D) String
  • 8. A loop in programming is used to
A) store information
B) repeat instructions
C) connect computers
D) delete files
  • 9. JavaScript is mainly used for
A) repairing computers
B) typing documents
C) making web pages interactive
D) designing hardware
  • 10. Which operator is used for addition?
A) ×
B) +
C) –
D) ÷
  • 11. Which of the following is a method of collecting data?
A) Programming
B) Formatting
C) Encryption
D) Observation
  • 12. Big Data refers to
A) printed files
B) small data records
C) very large and complex data sets
D) handwritten data
  • 13. A function in programming is
A) a hardware device
B) a storage system
C) a computer virus
D) a small reusable block of code
  • 14. Which of the following is a characteristic of a good algorithm?
A) It must be random
B) It must be ambiguous
C) It must be finite
D) It must be very long
  • 15. Cloud storage example includes
A) Notebook
B) Textbook
C) Google Drive
D) Chalkboard
  • 16. The oval symbol in a flowchart represents
A) decision
B) input/output
C) start/stop
D) process
  • 17. Machine learning enables computers to
A) learn from data
B) repair computers
C) build houses
D) produce electricity
  • 18. The operator used to compare two values for equality is
A) =
B) OR
C) +
D) AND
  • 19. Which of the following is a feature of Python?
A) Cannot run programs
B) Only used for hardware
C) Simple and readable syntax
D) Complex syntax
  • 20. Analytics refers to
A) examining data to obtain useful information
B) deleting data permanently
C) printing documents
D) repairing computers
  • 21. Which of the following is an example of an integer?
A) 3.5
B) True
C) 5
D) "Hello"
  • 22. Which of the following is a relational operator?
A) >
B) ×
C) ÷
D) +
  • 23. Data storage means
A) typing information
B) destroying information
C) sending information away
D) keeping information for future use
  • 24. One feature of Big Data is
A) Distance
B) Colour
C) Height
D) Volume
  • 25. AI chatbots are used mainly for
A) transportation
B) customer service
C) farming
D) construction
  • 26. Which control structure is used for decision making?
A) If-else
B) Function
C) Variable
D) Loop
  • 27. Face recognition systems use
A) machine learning
B) printers
C) cables
D) spreadsheets
  • 28. Which of the following is a data type used for true or false values?
A) Float
B) Boolean
C) String
D) Integer
  • 29. Hadoop is used for
A) drawing pictures
B) typing documents
C) big data processing
D) playing games
  • 30. A flowchart is a
A) programming language
B) graphical representation of a process
C) hardware tool
D) type of computer network
  • 31. Which of the following is used to repeat actions in programming?
A) Loop
B) Operator
C) Variable
D) Input
  • 32. The programming language created by Guido van Rossum is
A) Python
B) HTML
C) C++
D) Java
  • 33. A decimal number such as 3.5 is stored as
A) Float
B) Boolean
C) String
D) Integer
  • 34. Which of the following is an arithmetic operator?
A) +
B) =
C) >
D) AND
  • 35. Data science mainly deals with
A) designing keyboards
B) repairing computers
C) building networks
D) collecting and analysing data
  • 36. Which of the following helps computers learn patterns from data?
A) Computer casing
B) Machine learning
C) Networking
D) Word processing
  • 37. The parallelogram symbol in a flowchart represents
A) input/output
B) storage
C) process
D) decision
  • 38. Which of the following improves decision making using data?
A) Keyboard typing
B) Computer cables
C) Data analytics
D) Printer installation
  • 39. The programming language created by Guido van Rossum is
A) Java
B) HTML
C) C++
D) Python
  • 40. Which of the following stores whole numbers only?
A) Integer
B) String
C) Boolean
D) Float
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