Punjab 11th Class Computer Science Chapter 3 Central Processing Unit Mcqs Test Online Computer Science Chapter 3 Central Processing Unit Mcqs Test Online Punjab 11th Class 12345678910 10% Question 1 of 10Computer Science 1. Which instruction causes transfer of instruction execution to a specified address? Branch instruction Shift instruction Comparison instruction Data movement instruction Question 1 of 10Question 2 of 10 2. Which part of computer performs Fetch, Decode and Execute cycle? ALU Output Unit Registers Control Unit Question 2 of 10Question 3 of 10 3. Where are the results of ALU operations transferred? Base register Counter register Accumulator register Data register Question 3 of 10Question 4 of 10 4. Through which bus, instruction are transferred from main memory to instruction register? Data busInstruction bus Control bus Address bus Question 4 of 10Question 5 of 10 5. Which of these instructions will perform addition of two numbers? Shift instruction Operation instruction Branch instruction Data movement instruction Question 5 of 10Question 6 of 10 6. Which part of computer decodes instructions? Control unit ALU Program counter Main memory Question 6 of 10Question 7 of 10 7. A memory word that is to be stored in or fetched from memory must first be transferred into which register? Accumulator Data register Program counter Memory buffer register Question 7 of 10Question 8 of 10 8. Which of these buses selects a memory word for a read or write operation? Address bus System busData bus Control bus Question 8 of 10Question 9 of 10 9. Which of these registers controls the sequence in which instructions are fetched from memory for execution? Memory buffer register Counter register Program counter Data register Question 9 of 10Question 10 of 10 10. How many distinct operations can be performed if op-code of a microprocessor consists of 4 bits? 32 8 4 16 Question 10 of 10 Loading... Test By Subject Punjab Test By Topics 11th Class Computer You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.