Chapter 1

2. - First commercially available computer, known for predicting the 1952 U.S. presidential election.
4. - A device to enter and display data from a computing system.
8. - Variable that stores a memory location.
10. - The first step in the CPU's execution cycle.
11. - A form of algebra in which all values are reduced to true or false.
13. - Refers to byte order: big and little.
18. - Physical components of a computer system.
19. - Large, powerful computer that supports many users simultaneously.
21. - The third step in the CPU's execution cycle.
22. - Babbage's engine, considered an early mechanical computer.
25. - Pertaining to basic math operations such as addition, subtraction, etc.

1. - Command given to the computer to perform an operation.
3. - A signal to the processor indicating an event needing attention.
5. - Low-level code executed directly by the computer's CPU.
6. - Underpins computer operations and refers to conditions being true or false.
7. - The second step in the CPU's execution cycle.
9. - High-speed storage areas within the CPU.
12. - First person to write what's considered a computer program.
14. - Programs and data that run on hardware.
15. - Component of the computer where data is stored.
16. - Core part of an operating system that manages system resources.
17. - An early electronic general-purpose computer.
20. - A representation that can support real numbers, including those with fractions.
23. - The main component of a computer that performs most of the processing.
24. - The smallest unit of data in a computer.