Grade 12 General Concepts

Which of the following is an example of an input device?

• Printer
• Screen
• USB drive
• Microphone

What is the basic process of data storage in a computer?

• The CPU waits for the user's command to move data to RAM
• The CPU stores data in RAM
• The CPU writes data to the disk drive
• The CPU writes data to the computer's temporary storage

What is the role of random access memory (RAM) in a computer?

• Do calculations needed to display data
• Store data permanently
• Write data to disk drive
• Store data temporarily

What is the role of embedded systems in the realm of computers?

• Perform dedicated computing tasks
• Use flash memory for storage
• Have virtual keyboards
• All of the above

What is the function of the output stage in a computer?

• Enter data into the computer
• Do calculations needed to display data
• Send data to other devices
• Display pixels on the screen

What is the function of the processing stage in a computer?

• Enter data into the computer
• Display pixels on the screen
• Do calculations needed to display data
• Send data to other devices

Which of the following is an example of an output device?

• Microphone
• Keyboard
• USB drive
• Printer

Which type of computer is generally cheaper than brand new laptops and is ultra-portable?

• Workstation
• Server
• Smartphone
• Tablet

How have computers improved productivity in daily life?

• By making it easier to procrastinate
• By reducing the time it takes to complete tasks
• By increasing the risk of human error
• By making tasks more time consuming

How have computers impacted the accuracy and reliability of manufactured products?

• By increasing the accuracy and reliability of manufactured products
• By decreasing the accuracy of manufactured products
• By reducing the need for automated machines and robotics
• By increasing the risk of errors in manufactured products