Question
The average of 20 numbers is calculated as 35. However,
it was later discovered that one of the numbers was mistakenly recorded as 28 instead of 82. What should the correct average of the 20 numbers be?Solution
Total number will be increased by (82-28) = 54 Average will increase by = 54/20 = 2.7 Correct average = 35+2.7 = 37.7
The actual data stored in a database at a particular moment in time is called:
Which memory technology is commonly used for long-term storage in computers?
An operating system is classified as:
What is the typical shape of a Compact Disc (CD)?
Which storage technology uses lasers to read and write data?
A computer cannot “boot” if it does not have the _____
A student is unable to access a web page despite the computer being connected to Wi-Fi. What should be checked first?
Which protocol is used for secure transactions on the internet?
Which of the following is a widely used open-source operating system?
Communication controls for the entire computer system?
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