Identify the characteristics of the CPU.
1. CPU constitute of ALU, CU, and memory
2. It is known as the brain of the computer
3. It is a complex program that helps in searching documents using keywords
4. CPU performs basic arithmetic, logic, controlling, and input/output (I/O) operations
Choose the correct answer from the codes given below.
1
All are correct
2
1, 2 and 3 are correct
3
1, 2 and 4 are correct
4
1 and 3 are correct