What Is a Computer?
A computer is an electronic device, operating under the control of instructions stored in its own memory.
What Is the Information Processing Cycle?
Input - Collect Data
Process - Transform Data into Information
Output - Produce Information
Provide an Example of the Information Processing Cycle
Purchasing items at a store.
Data
- Types of items that are purchased
- Quantity of each type of item
- Price of each item
Process
- Compute each item's total price by multiplying quantity and item price
- Sums all item total prices for total customer cost
- Calculates change
Output
- Produce Information in form of a receipt
The Components of a Computer
- Input Device
- Output Device
- System Unit
- Storage Device
- Communications Device