Need for input, output, primary memory and secondary storage

What are the four basic functions performed by computers?

• Input, storage, processing, output
• Communication, analysis, visualization, automation
• Encoding, decoding, transmitting, receiving
• Monitoring, controlling, executing, evaluating

What is the role of input devices in a computer?

• Convert physical signals into binary data
• Store and retrieve information
• Perform calculations and operations
• Display visual output

What is the purpose of the central processing unit (CPU) in a computer?

• Store data for long-term use
• Control input and output devices
• Perform calculations and execute instructions
• Generate visual and audio output

How does a computer convert input into output?

• By storing and retrieving data
• By processing and analyzing information
• By transmitting and receiving signals
• By converting binary data into physical signals

What is the function of output devices in a computer?

• Convert binary data into physical signals
• Store and organize data
• Receive and interpret input signals
• Perform complex calculations

What type of device is a screen or monitor?

• Input device
• Output device
• Storage device
• Processing device

How does a computer control a robotic arm?

• By sending electrical signals
• By analyzing visual data
• By processing audio commands
• By transmitting wireless signals

What can be considered an example of an output device?

• Microphone
• Thermometer
• Drone
• Printer

What is the purpose of a 3D printer?

• Creating virtual reality environments
• Generating electricity
• Producing physical objects from digital designs
• Analyzing complex data sets

How have advancements in input and output devices impacted computer technology?

• Increased processing speed
• Expanded storage capacity
• Improved user interaction and functionality
• Reduced energy consumption