1. Why is the CPU the most important component in a computer?
A. The CPU sends signals to control the other parts of the computer, almost like how a brain controls a body. The CPU is an electronic machine that works on a list of things to do, called 'instructions'. It reads the list of instructions and does each one in order. A list of instructions that a CPU can run is a computer program.
2. What number does a bit that is turned on represent? What number does a bit that is turned off represent?
A. When a bit is turned on it represents a 1, when a bit is turned off it represents a 0.
3. What would you call a device that works with binary data?
A. A device that works with binary data is called digital data.
4. What are the words that make up a high-level programming language called?
A. The words that make up a high-level programming are called key words or reserved words.
5. What are the short words that are used in assembly language called?
A. Short words that are used in assembly language are called Nmeumonics.
6. What is the difference between a compiler and an interpreter?
A. A compiler translates a high-level language program into a spate machine language program. An interpreter both translates and executes the instructions of a high level program.
7. What type of software controls the internal operations of the computer’s hardware?
A. The operating system is the software that controls the internal operations of the computers hardware.
