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