Input devices and their uses

What is a disadvantage of using keyboards?

• Takes up a lot of desk space
• Can only enter numbers
• Slow method of data entry
• Can cause back pain

What is the main use of numeric keypads?

• Entering numbers into spreadsheets
• Entering commands into the computer
• Entering text into word processors
• Entering data into databases

What is the main difference between a keyboard and a touchscreen keyboard?

• A touchscreen keyboard is used for entering numbers only
• A keyboard is connected to the computer through a USB or wireless connection
• A touchscreen keyboard is used for data entry while a keyboard is not
• A keyboard has physical keys while a touchscreen keyboard does not

What is a disadvantage of using numeric keypads?

• Small keys can make input difficult
• Can cause back pain
• Takes up a lot of desk space
• Can only enter numbers

Which of the following is an advantage of using keyboards?

• Difficult to use for some people
• Allows for verification checks
• Small and easy to carry around
• Fast entry of numeric data

What is the purpose of ergonomic keyboards?

• To make typing faster
• To make the keys more colorful
• To prevent injuries
• To make the keyboard smaller

What is the main advantage of using a touchscreen keyboard?

• More accurate data entry
• Takes up less desk space
• Faster data entry
• Easier to use for most people

Which of the following is NOT a disadvantage of using a touchscreen keyboard?

• Can be difficult to use for some people
• Takes up more desk space
• Slower data entry
• Can cause back pain

What is the main difference between a keyboard and a numeric keypad?

• A numeric keypad can only enter text
• A keyboard can only enter numbers
• A keyboard is used for data entry while a numeric keypad is not
• A numeric keypad is used for entering numbers only

What happens when a key is pressed on a keyboard?

• A digital signal is converted
• A light turns on
• A paper is printed
• A sound is produced