Computers

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Across
  1. 3. A set of computer instructions in firmware which control input and output operations
  2. 4. A device that displays signals on a computer screen
  3. 8. 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
  4. 11. A printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into
  5. 13. A video camera connected to a computer, allowing its images to be seen by Internet users
  6. 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
  7. 15. A printed circuit board that controls the output to a display screen
  8. 18. The programs and other operating information used by a computer
  9. 20. A disk drive used to read from and write to a hard disk
  10. 21. A panel of keys that operate a computer or typewriter
Down
  1. 1. A standard for connection sockets on computers and other electronic equipment
  2. 2. A code for representing English characters as numbers
  3. 5. A network interface controller is a computer hardware component that connects a computer to a computer network
  4. 6. The machines, wiring, and other physical components of a computer or other electronic system
  5. 7. 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
  6. 9. A small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen
  7. 10. a compact disc used as a read-only optical memory device for a computer system
  8. 12. Sound, especially when recorded, transmitted, or reproduced
  9. 16. Computer memory on which data has been prerecorded
  10. 17. 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
  11. 19. Graphical User Interface