Across
- 1. takes data received from the user and creates a response, or output, for the user.
- 4. high-performance computer that provides centralized storage, processing, and overall management of large amounts of data
- 5. device that uses software to convert an image to text that can be used by the computer.
- 6. part of the computer that stores information for immediate processing
- 9. name of the device; also called the volume name.
- 12. combination of circuitry and software that holds instructions for initializing hardware.
- 13. (SSD) storage device that operates similarly to RAM, but they have and integrated circuit to store data as involatile memory rather than volatile memory.
- 14. sealed unit that contains a stack of individual disks, or platters, which are magnetic media that rotate at a very high speed; also called a hard drive.
- 16. pen-like device that functions as a writing utensil but uses digital signals to draw instead of graphite or ink.
- 18. location where data is kept by the computer so it can be viewed, played, or otherwise used
- 20. speed rating of a CPU
- 21. special type of computer that stores data and responds when requested by other computers on a network
- 23. data provided to the user.
- 24. data that is entered, scanned, or otherwise sent from the user to the computer system
- 25. device that senses applied pressure and sends signals to the CPU
- 28. random-access memory; memory that can be changed
- 31. converts sound into data that can be used by the computer
- 32. circuitry that fetches each instruction from the list directed by the program being run.
- 36. device with one or more buttons that can be moved on a flat surface to control the cursor.
- 39. processing device designed to meet the needs of an individual user, whether in the home, a business, or a school.
- 41. input device that allows the user to control the movement of the cursor, or pointer, on the screen.
- 42. device with multiple metal fins that is designed to draw heat away from a CPU.
- 43. optical-character recognition; type of software that can be used with image scanners to digitize text so the computer understands it as text characters.
- 45. method of storing data on remote servers through an Internet connection.
- 48. read-only memory; memory that cannot be changed
- 49. digital device that uses electronics to create electrical signals to represent data.
- 50. entire collection of a basic computer and the attached devices
- 51. converts data into sound
Down
- 2. (CPU) device that fetches coded instructions, decodes them, and then executes (runs) them.
- 3. made of iron oxide-coated disks that can be selectively magnetized to store on-off signals (1s and 0s).
- 7. attached devices that are not critical to computer operation; also called a peripheral.
- 8. physical components of the computer
- 10. (OS) software that manages all the hardware devices, as well as locating and providing instructions to the CPU
- 11. (ALU) digital circuit that temporarily hold in-process data and manages all arithmetic operations such as addition and subtraction.
- 15. output device that collects video data from a computer or other media player and projects the images onto a separate screen
- 17. (UI) means by which user enters data and receives feedback.
- 19. using a small program to get the computer running and the OS loaded; also called bootstrapping
- 22. millions of instructions per second; measurement of mainframe computer performance
- 26. process of extracting audio from a CD, DVD, or video file
- 27. peripheral device that transforms computer information into a physical form
- 29. provides the computer with data on which it can act
- 30. connects all the hardware in the computer; also called the system board
- 33. supercomputer built with exceptionally powerful hardware.
- 34. floating point operations per second - measurement of performance of supercomputers
- 35. removable peripheral device and the most recognizable example of SSD; also called a thumb drive or jump drive.
- 37. device that provides a display output
- 38. has processing power that can handle complex jobs beyond the scope of other computer systems
- 39. transforming of input data and acting on that data
- 40. point of interface between the motherboard and external devices
- 44. device for inputting textual and numeric data.
- 46. a movable indicator on a computer screen identifying the point that will be affected by input from the user, for example showing where typed text will be inserted.
- 47. simplified view of someone else's infrastructure.
- 52. universal serial bus; industry standard for communication between devices and the computer