3i Infotech Placement: Sample Questions 150 - 151 of 1245
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Question 150
Question MCQ▾
What was the first name given to Java Programming Language?
Choices
Choice (4) | |
---|---|
a. | Oak |
b. | Oak-Java |
c. | Small Talk |
d. | None of the above |
Answer
b.Explanation
- Oak-java was the first name given to java Programming Language.
- Gosling attempted to modify and extend C ++ but soon abandoned that in favour of creating a new platform called Green and an entirely new language.
- This was called Oak, after the tree that stood just outside his office- we have Oak language, the libraries, and the hardware.
- Their first attempt, demonstrated on September 3,1992, focused on building a PDA device named Star with graphical interface and a smart agent called “Duke” to assist the user.
- Oak was renamed Java in 1994 after a trademark search revealed that Oak was used by Oak Technology.
- Java was finally shipped in 1996
Question 151
Explanation
- The page eligible for swapping are found by the page-stealer and placed in a list.
- The paging states are:
- Not yet eligible for swapping
- Eligible for swapping but not eligible for re assignment to other virtual address space.
- Created by the kernel at the system initialization
- Is invoked by kernel throughout the lifetime of the system.
- On page fault kernel locks a region of the page so page stealer cannot steal the faulting page.