Across
- 2. was an American electrical engineer and computer pioneer. With John Mauchly, he designed the first general-purpose electronic digital computer (ENIAC).
- 4. is information processed or stored by a computer.
- 5. an electronic device that can increase the power of a signal (a time-varying voltage or current).
- 7. a part or element of a larger whole, especially a part of a machine or vehicle.
- 9. is one of the main features of First Gen of Computers where you need to have a bigger space or bigger room.
- 12. it was an advanced bit-serial binary computer with two independent CPUs, each with its own 512- word acoustic mercury delay line memory.
- 13. is a slow, low-capacity, sequential medium for data storage that was used on early communications and computing devices.
- 14. is a component of a circuit that allows current to pass in one direction yet blocks the flow of current in the other direction.
- 17. it is one of the main features of First Gen of Computers.
- 18. was an American physicist and inventor, best known for being credited with inventing the first electronic digital computer.
- 20. is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys
- 26. is a grouping of programming languages that are machine level languages used to program first-generation computers.
- 28. a condition or circumstance that puts one in a favorable or superior position.
- 30. was the first general-purpose electronic digital computer design for business application produced in the United States.
- 32. it was the first electronic general-purpose digital computer. It was Turing-complete, and able to solve "a large class of numerical problems" through reprogramming.
- 35. was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher .
- 36. is a type of gas-filled or vacuum tube that is sensitive to light.
- 41. is not programmable but it could solve a system of linear equations.
- 42. was an early British computer. Inspired by John von Neumann's seminal First Draft of a Report on the EDVAC.
- 43. is one of the main parts of the First Gen of Computers.
- 44. one disadvatange of First gen computers
- 47. was one of the earliest stored-program computers, developed at the Victoria University of Manchester from the Manchester Baby.
- 48. a person who writes computer programs.
- 49. is an early digital computer produced by IBM Corporation in the mid-1950s.
- 50. was Australia 's first digital computer, and the fifth stored program computer in the world.
Down
- 1. is a collection of instructions that can be executed by a computer to perform a specific task.
- 3. is the electrode from which a conventional current leaves a polarized electrical device.
- 6. also called the Small-Scale Experimental Machine (SSEM), was the first electronic stored-program computer, was built at the University of Manchester.
- 8. is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.
- 10. he was an english electrical engineer and physicist who invented the first thermionic valve or vacuum tube.
- 11. was an American physicist who, along with J. Presper Eckert, designed ENIAC.
- 15. used vacuum tubes as the basic components for memory and circuitry for CPU (Central Processing Unit).
- 16. capacity for storing information on a computer.
- 19. was an English engineer. During World War II, He designed and built Colossus, the world's first programmable electronic computer, to help solve encrypted German messages.
- 21. it this is the most basic need for a computer to work.
- 22. an unfavorable circumstance or condition that reduces the chances of success or effectiveness.
- 23. was first used to record computer data in 1951 on the UNIVAC I.
- 24. a semiconductor device with two terminals, typically allowing the flow of current in one direction only.
- 25. it is one of the first electronic computers that utilized the binary system that first began performing basic tasks in 1951.
- 27. an electron tube, valve or tube, is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
- 29. it helps us develop cross-platform applications by using existing web technologies.
- 31. the year where computers of first generation used vacuum tubes as the basic components for memory and circuitry for CPU.
- 33. is a piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in predefined positions.
- 34. is the electronic circuitry within a computer that executes instructions that make up a computer program.
- 37. is a base-2 number system invented by Gottfried Leibniz that is made up of only two numbers: 0 and 1.
- 38. is an electrode through which the conventional current enters into a polarized electrical device.
- 39. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
- 40. is a system of electrical conductors and components forming a complete and closed path.
- 45. one advantage of First gen computers
- 46. known as the Defense Calculator while in development.