Pinhole cameras were one of the most sophisticated devices of the period, it made tasks much easier it basically worked exactly like the human eye and is something just like tracing.
The answer will be
97
98
96
194
Explanation:
Concurrency Control in Database Management System is a procedure of managing simultaneous operations without conflicting with each other. It ensures that Database transactions are performed concurrently and accurately to produce correct results without violating data integrity of the respective Database.And The ACID properties, in totality, provide a mechanism to ensure correctness and consistency of a database in a way such that each transaction is a group of operations that acts a single unit, produces consistent results, acts in isolation from other operations and updates that it makes are durably stored.
Answer:
For the above condition, and as mentioned none of the mode will work, and we need to make use of the JSON format. And we nee to use the JavaScript, and we don't need to mention the mode in JavaScript. Thus, this is nowadays used solution for this old problem that existed when we used to code using c++ and c.
Explanation:
You need to write over this text file, and you also need to read. Hence, you need to open the file with the three privileges, and the append will be required,and this way we can only move line by line. However, this is an old style. Now we save in text file in JSON format. The data collected from Form is converted to JSON format and written in text file. And as required data can be read or written, and as required. So if we use only JSON format, then we need not mention the mode, as its not required these days in new languages like JavaScript.