Answer: In operating system a code segment which accesses some shared variables or resources one at a time atomically such other no other code or process is accessing that resource or variable at the same time.
Entry section code block allows the access to the shared resource or variable and exit section code signals the termination from access to the shared resource or variable.
Explanation:
Entry and exit section codes needs to check certain properties before allowing the access and removal of access to a particular code segment.
These conditions are:
1. Bounded waiting.
2. Mutual exclusion.
3. checking thread execution status to allows other threads to enter the critical section (CS).
The answer is 127 I had that question before
When you move the pointed to the left of two existing rows, a SUPER POINTER appears outside the table.
The super pointer is usually a small black arrow or a white arrow that is pointing to the right. Clicking the mouse while the super pointer is active will select the row.
The super pointer also appears when the mouse pointer is at the top edge of a column. The super pointer will be pointing downwards.
