Computer Organization & Architecture_MCA_1st Sem
Computer Organization & Architecture (MCA 1st Semester) MCQs 1–50 1. Computer Architecture refers to: A) Physical components of computer B) Functional behavior and design of a computer system C) Software development process D) Database structure Answer: B 2. Computer Organization deals with: A) Hardware implementation details B) Programming languages C) Operating systems only D) Network topology Answer: A 3. The brain of the computer is: A) RAM B) Hard Disk C) CPU D) ROM Answer: C 4. CPU stands for: A) Central Process Unit B) Central Processing Unit C) Computer Processing Unit D) Core Processing Unit Answer: B 5. The Arithmetic Logic Unit (ALU) performs: A) Input operations B) Arithmetic and logical operations C) Storage operations D) Networking operations Answer: B 6. The Control Unit (CU) is responsible for: A) Arithmetic calculations B) Controlling execution of instructions C) Data storage D) Printing output Answer: B 7. Which register...