MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a feature(s) of an OS
A
multi-tasking
B
memory management
C
decoding an instruction
D
buffering data
Explanation: 

Detailed explanation-1: -It is a fast storage, and it can be accessed directly by the CPU which is present inside the system. If a program wants to be executed, it should be first loaded in the main memory. It keeps track of primary memory.

Detailed explanation-2: -The memory management function keeps track of the status of each memory location, either allocated or free. It determines how memory is allocated among competing processes, deciding which gets memory, when they receive it, and how much they are allowed.

Detailed explanation-3: -Memory management is the process of controlling and coordinating a computer’s main memory. It ensures that blocks of memory space are properly managed and allocated so the operating system (OS), applications and other running processes have the memory they need to carry out their operations.

Detailed explanation-4: -Features of Operating Systems Handles memory management and CPU scheduling. Provides file system abstraction. Provides networking support. Provides security features.

Detailed explanation-5: -Features of Operating System (OS) Allows disk access and file systems Device drivers Networking Security. Program Execution. Memory management Virtual Memory Multitasking. Handling I/O operations.

There is 1 question to complete.