Computing Questions Convert the denary number 55 to an 8-bit binary number. Why does upgrading the RAM of a computer to 8 GB from 4 GB improve its performance?

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Computing Questions Convert the denary number 55 to an 8-bit binary number. Why does upgrading the RAM of a computer to 8 GB from 4 GB improve its performance? Describe two functions of an operating system Decide the data types (ie: integer, float, string) for AGE and PHONE NUMBER. Explain your choices. What is the difference between the Internet and the World Wide Web?

Computing Questions What type of files are a JPG, a PDF and an MP3? What is meant by ‘automatic updating’? (without using the words ‘automatic’ and ‘update’ in your answer!) What is the difference between lossless and lossy compression? List two different output devices What are two differences between a magnetic hard drive and a solid state drive?

Computing Questions Explain the importance of compressing files when sending them across the Internet What does antivirus software do? List an input device that a security system may need and explain your answer. Complete a truth table for the following logic gate: What does CSS do on a webpage? Why would someone use it?