CPCT MP TUTORIALS

📘 DBMS Fundamentals, Architecture, ER Model & Relational Model Q1. In the relational model, cardinality refers to: (A) Number of tuples (B) Number of attributes (C) Number of tables (D) Number of constraints ✔ Correct Answer: (A) Explanation: Cardinality means number of rows (tuples) in a relation. Q2. Degree of a relation refers to: (A) Number of tuples (B) Number of attributes (C) Number of constraints (D) Number of keys ✔ Correct Answer: (B) Explanation: Degree means the number of attributes (columns). Q3. Relational calculus is a: (A) Procedural language (B) Non-procedural language (C) Data definition language (D) High-level language ✔ Correct Answer: (B) Explanation: Relational calculus specifies what to retrieve, not how. Q4. Relational algebra is a: (A) Procedural query language (B) Non-procedural language (C) Data dictionary (D) Data model ✔ Correct Answer: (A) Explanation: Relational algebra specifies step-by-step procedures. Q5. The view of total database content is: (A)...

Here are the Top 50 Computer Questions for CPCT Exam 2025 (with Answers) :- Part A: Computer Fundamentals (Q1–Q15) 1. What is the full form of CPU? Central Processing Unit 2. Which device is used to input data into a computer? Keyboard 3. What does RAM stand for? Random Access Memory 4. Which device is an example of non-volatile memory? Hard Disk 5. Which is not an input device? Monitor 6. The main function of the operating system is: Managing hardware and software resources 7. What is the brain of the computer? CPU 8. Which software is used to perform calculations? MS Excel 9. What is the full form of GUI? Graphical User Interface 10. Which key is used to refresh a web page? F5 11. What type of software is MS Word? Application Software 12. What is the full form of WWW? World Wide Web 13. Which device is used to print documents? Printer 14. Which part of the computer performs calculations and comparisons? ALU (Arithmetic Logic Unit) 15. What is the smallest unit of data in a computer? ...

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