DBMS Tutorial Point
1.__ is the operating system that reads and reacts in terms of actual time. A. Time sharing systemB. Real-time systemC. Batch systemD. Quick response system Answer: B 2.What is called the starting up on operating system? A. FormattingB. BootingC. StartingD. Entering Answer: B 3.FAT stands for A. File Activity TableB. File Accommodation TableC. File Activity … Read more
1.Which of the following requires a device driver? a) Registerb) Cachec) Main memoryd) Disk Answer: (d) 2.What is operating system? a) collection of programs that manages hardware resourcesb) system service provider to the application programsc) link to interface the hardware and application programsd) all of the mentioned Answer: (d) 3.Which one of the following error … Read more
1. Which of the following relational algebra operations do not require the participating tables to be union-compatible? (A) ) Union (B) Intersection (C) Difference (D) Join Ans: (D) 2. Which of the following is not a property of transactions? (A) Atomicity (B) Concurrency (C) Isolation (D) Durability Ans: (B) 3. Checkpoints are a part of … Read more