List four I/O tasks performed by an operating system.
What will be an ideal response?
Handle input from the keyboard, mouse, and other input devices
Handle output to the monitor and printer
Manage network communications, such as for a local network and the Internet
Control input/output for devices such as a network interface card
Control information storage and retrieval using various types of storage media such as
hard drives, flash drives, and DVDs
Enable multimedia use for voice and video composition or reproduction, such as
recording video from a camera or playing music through speakers
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Complete the true table for C++ logical operators.
What will be an ideal response?
Give a command to
a. Redirect standard output from a sort command to a file named phone_list. Assume the input file is named numbers. b. Translate all occurrences of the characters [ and { to the character (, and all occurrences of the characters ] and } to the character ), in the file permdemos.c. c. Create a file named book that contains the contents of two other files: part1 and part2.
What is id selector?
What will be an ideal response?
What are the Security considerations to be included when implementing a system?
What will be an ideal response?