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Operating System (OS)

Operating System (OS)
Which of the following is default mode for Windows to start?

None of above
Normal Mode
Command Prompt
Safe Mode

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Operating System (OS)
What are the two types of Semaphore?

Critical Semaphores and System Semaphores
Analog Semaphores and Octal Semaphores
Counting Semaphores and Binary Semaphores
Digital Semaphores and Binary Semaphores

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Operating System (OS)
The errors that can be pointed out by the compiler are

Semantic errors
Logical errors
Syntax errors
Internal errors
None of these

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Operating System (OS)
........ interface consists of thing like program counter, register, interrupts and terminal

None
Software
Hardware
Data

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Operating System (OS)
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

semaphore
mutual exclusion
None of these
multiprogramming
multitasking

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Operating System (OS)
Which of the following is not an operating system ?

Oracle
Windows
Linux
DOS

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