Computer Knowledge

Computer Knowledge for Exam

Computer uses the……….number system to store data and perform calculations. Binary Octal bar Decimal  Hexadecimal Ans: 1 Why is it unethical to share copyrighted files with your friends ? It is not unethical, because it is legal It is not unethical, because it is legal Sharing copyrighted files without permission breaks copyright laws. It is not unethical because the files are being given for free. Ans: 3 To instruct Word to fit the width of a column to the contents of a table automatically. Fit to Form Format Autosize AutoFit Ans: 4 Which of the following can be used to select the entire document ? CTRL+A ALT+F5 SHIFT+A CTRL+K Ans: 1 A disk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is– Memory Only Write Only Read only Run Only Ans: 3

True or False Clicking on an icon with the mouse is a form of giving an instruction to the computer.Answer: True Output devices store instructions or data that the CPU processes.Answer: False (memory) The CPU and memory are located on a special circuit board in the system unit called the motherboard.Answer: True Nanostructures represent the smallest human-made structures that can be built.Answer: True The main difference between a supercomputer and a mainframe is that supercomputers are designed to execute a few programs as quickly as possible, whereas mainframes are designed to handle many programs running at the same time (but at a slower pace). Answer: True Being computer fluent means that you should be able to build a computer yourself.Answer: False Embedded computers are self-contained computer devices that have their own programming and do not receive input.Answer: True A Web browser is a special device that is installed in your computer that allows it to communicate with other devices on a network.Answer: False (network adapter) With a wireless network, it is easier to relocate devices.Answer: True The most common type of memory that the computer uses to process data is ROM.Answer: False (RAM)

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