Digital Information Technology: Semester 1 Course Review(QUESTIONS & ANSWERS)

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What type of memory is found on secondary storage devices? - ✔✔Long-term memory. What is the term for the instructions that tell a computer what to do? - ✔✔Software. Why is binary code made ... up of a series of ones and zeroes? - ✔✔To turn the electrical switches in the CPU on and off. 0 = off 1 = on. A person uses a scanner to send an image to a computer. What basic function is being performed? - ✔✔Input function. During the processing stage, what does the computer do? - ✔✔Use information. Where would the information needed to start a computer be stored? - ✔✔BIOS (Basic Input Output System) In which basic function does the computer save information? - ✔✔Storage. What type of device are speakers and headphones? - ✔✔Output. Where is most of the information processed in a computer? - ✔✔CPU (Central Processing Unit) What type of software maintains a computer? - ✔✔Utility Software. What's it called when you take care of a computer? - ✔✔Maintenance. How do you properly care for a CD? - ✔✔Keep it in a hard case, grab by the edges. Why should anti-virus and anti-spyware software be updated often? - ✔✔To keep pace with newly created viruses and spyware. What should be used to clean the keyboard keys? - ✔✔Compressed air, cotton swab. What should be used to save a computer from damage by sudden increases in voltage? - ✔✔Surge protector. What program secretly monitors a user's computer activities? - ✔✔Spyware. [Show More]

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