Operating System - Study Mode

[#341] In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
Correct Answer

(D) 5.0

Explanation

Solution: In MS-DOS 5.0, 5.0 is the number that acts as a code to uniquely identify the software product.

[#342] Bug means
Correct Answer

(A) A logical error in a program

Explanation

Solution: A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.

[#343] Memory management is :
Correct Answer

(D) critical for even the simplest operating systems

Explanation

Solution: Memory management enables the execution of multiple processes at the same time in the computer system. Memory management shares the same memory space among different processes. Hence we can perform many tasks at a particular memory space.

[#344] The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is
Correct Answer

(B) 1

Explanation

Solution: The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is 1.

[#345] The Register - to - Register (RR) instructions
Correct Answer

(C) which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.

Explanation

Solution: The Register - to - Register (RR) instructions which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.