Computers

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Across
  1. 2. A code for representing English characters as numbers
  2. 7. Sound, especially when recorded, transmitted, or reproduced
  3. 8. A network interface controller is a computer hardware component that connects a computer to a computer network
  4. 11. A video camera connected to a computer, allowing its images to be seen by Internet users
  5. 12. a compact disc used as a read-only optical memory device for a computer system
  6. 16. A panel of keys that operate a computer or typewriter
  7. 17. A printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into
  8. 18. A small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen
  9. 19. The programs and other operating information used by a computer
  10. 20. Random Access Memory is of the utmost importance to a computer. Everything you use on your computer consumes RAM, so the more RAM you have, the more applications you can run at once
Down
  1. 1. A set of computer instructions in firmware which control input and output operations
  2. 3. In computer science, an interface is the point of interaction with software, or computer hardware, or with peripheral devices such as a computer monitor or a keyboard
  3. 4. Graphical User Interface
  4. 5. A disk drive used to read from and write to a hard disk
  5. 6. A printed circuit board that controls the output to a display screen
  6. 9. The machines, wiring, and other physical components of a computer or other electronic system
  7. 10. A central processing unit, also referred to as a central processor unit, is the hardware within a computer that carries out the instructions of a computer program by performing the basic arithmetical, logical, and input/output operations of the system
  8. 13. Computer memory on which data has been prerecorded
  9. 14. A combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line
  10. 15. A standard for connection sockets on computers and other electronic equipment
  11. 17. A device that displays signals on a computer screen