COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Manages memory (RAM)
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Manages printing using spooling
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Manages the ALU
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Manages security
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Detailed explanation-1: -The correct answer is Execution of arithmetic operations. Execution of arithmetic operations is not a function of the operating system. Functions of the operating system: Manage all of the computer hardware inside your computer and all of the connected peripherals.
Detailed explanation-2: -Virus protection is the function of Firewall and Antivirus. Hence, it is not the function of an operating system.
Detailed explanation-3: -The ALU performs simple addition, subtraction, multiplication, division, and logic operations, such as OR and AND. The memory stores the program’s instructions and data.
Detailed explanation-4: -The four major resource managers are: the Process Manager, the Memory Manager, the File Manager, and the Device Manager (which is actually a collection of many different device managers). The Process Manager manages processes in the system and is responsible for the sharing of the CPU.