Unit 1-Instructions and Algorithms
What is the best definition of an algorithm?
A) A type of computer game
B) A precise set of instructions
C) A list of important dates
D) The password for a computer
B) A precise set of instructions
What is one main advantage of storing data on a computer?
A) Data can never be lost.
B) Searching for data is quick and easy.
C) Data storage devices are very large and heavy.
D) Computers can guess the data you need.
B) Searching for data is quick and easy.
What are the two main components that make up a computer?
A) Input and Output
B) Hardware and Software
C) Data and Information
D) Mouse and Keyboard
B) Hardware and Software
Why must algorithm instructions be in the correct order?
A) To make the algorithm look neat
B) To ensure the task is completed correctly
C) Because computers are slow
D) It doesn't matter what order they're in
B) To ensure the task is completed correctly
Which device uses magnetism to store data?
A) Optical Disks
B) RAM
C) Hard Disk Drives
D) USB drives
C) Hard Disk Drives
Which of the following is an example of computer hardware?
A) A word-processing app
B) A video game
C) A keyboard
D) An operating system
C) A keyboard
What is a program?
A) A set of instructions that a computer understands
B) A type of algorithm that is always wrong
C) A list of ingredients for a recipe
D) A television show
A) A set of instructions that a computer understands
What is a copy of data called, which can be used if the original is lost?
A) A snapshot
B) A replica
C) A backup
D) A duplicate
C) A backup
A device that is easy to carry around is described as:
A) Wireless
B) User-friendly
C) Portable
D) Functional
C) Portable
Which algorithm for making cereal is MORE precise?
A) Get cereal, Pour cereal, Pour milk
B) Get bowl, Pour cereal in bowl, Pour milk in bowl
C) Eat cereal with milk
D) Breakfast time
B) Get bowl, Pour cereal in bowl, Pour milk in bowl
Which of the following is NOT a type of question used to collect categorical data on a form?
A) Yes/No
B) Checkboxes
C) Rating Scale
D) Essay Question
D) Essay Question
Which of the following pairs correctly matches a device with its classification?
A) Mouse - Output Device
B) Monitor - Input Device
C) Printer - Output Device
D) Microphone - Output Device
C) Printer - Output Device
What do computers follow to carry out tasks?
A) Their own ideas
B) Code
C) Random commands
D) User emotions
B) Code
The two main charts shown for presenting data are:
A) Line graphs and pie charts
B) Bar graphs and pictograms
C) Dot plots and histograms
D) Scatter plots and radar charts
B) Bar graphs and pictograms
Without software, what can hardware do?
A) It can work perfectly on its own.
B) It can perform basic calculations.
C) It cannot do anything.
D) It can connect to the internet.
C) It cannot do anything.