ICT Grade 8 Revision Quiz: Block 2Online version MCQ & True/False Section by Mostafa Shahat 1 What is data logging? a a) A type of computer game b b) The process of recording data over time using sensors c c) A method of drawing flowcharts 2 Which device measures physical properties like temperature or light? a b) Sensor b c) Monitor c a) Actuator 3 What does ADC stand for in data logging? a c) Automatic Data Collector b a) Analogue Digital Computer c b) Analogue to Digital Converter 4 In a flowchart, which shape represents a decision? a c) Diamond b a) Oval c b) Rectangle 5 Which of the following is a programming construct? a a) Sequence b c) Hard disk c b) Printer 6 In Python, which symbol is used for multiplication? a b) - b c) * c a) + 7 What is a variable in programming? a a) A value that never changes b b) A memory location that stores data that can change c c) A type of sensor 8 Which block in PictoBlox is used to start a script when the green flag is clicked? a c) when backdrop switches to b a) when space key pressed c b) when this sprite clicked d d) when clicked 9 What is the time between readings in data logging called? a b) Time interval b a) Logging period c c) Remote logging 10 Which sensor detects movement nearby? a b) Light sensor b a) Temperature sensor c c) Motion sensor 11 A constant is a value that can change during program execution. a True b False 12 Data logging can be used for environmental testing. a True b False 13 In a flowchart, a parallelogram is used for input/output. a False b True 14 Python uses indentation to define code blocks. a True b False 15 An actuator is an input device. a True b False 16 Pseudocode is a real programming language. a False b True 17 The logging period is the total time over which readings are taken. a False b True 18 In Python, print("Hello") will display text on the printer. a False b True 19 A temperature sensor can be used to control a heater. a False b True 20 Debugging means finding and fixing errors in a program. a True b False
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