COMPUTER

1. A small hand-held device that is dragged across a flat surface to move the cursor on a computer screen, typically having buttons that are pressed to control computer functions.
7. Designed the Harvard Mark I.
9. A numeric system that only uses two digits — 0 and 1.
12. Electronic device that converts digital data into analog (modulated-wave) signals suitable for transmission over analog telecommunications circuits (e.g., traditional phone lines) and demodulates received analog signals to recover the digital data transmitted.
13. Collections of instructions for manipulating data.
14. device Any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
15. Is a lightweight and portable personal computer that utilizes a flat panel touch screen display.
16. A powerful computer used for computing-intensive tasks.

2. The programs and other operating information used by a computer.
3. Built the first working mechanical computer, the Z1.
4. Is a semiconductor device used to amplify and switch electronic signals and electrical power.
5. Father of modern computer.
6. A very small piece of semiconductor, especially in a computer, that contains extremely small electronic circuits and devices, and can perform particular operations.
8. The state or act of a computer or a component of computer or relevant device being accepting something from the user or from a device or from a software either automatically or manually.
10. An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
11. An output device that prints the results of data processing.