| Q.21 | Function of CPU is ? |
| A | Arithmetic calculation |
| B | Comparison between the value of two objects |
| C | Search of desired data in artificial memory |
| D | None of these |
| Q.22 | Which unit controls the movement of signals between CPU and I/O ? |
| A | ALU |
| B | Control unit |
| C | Memory unit |
| D | Secondary storage |
| Q.23 | Computer is named as …… intelligence? |
| A | Pure |
| B | Human |
| C | Artificial |
| D | All |
| Q.24 | The three main parts of the processor are….? |
| A | ALU, Control unit and Registers |
| B | ALU, Control unit and RAM |
| C | Cache, Control unit and Registers |
| D | Control unit, Registers and RAM |
| Q.25 | What is the function of the Central Processing Unit of a computer ? |
| A | Creates invoices |
| B | Performs calculations and processing |
| C | Deletes data |
| D | Corrupts the data |
| Q.26 | Capacity of computer is ? |
| A | Limited |
| B | Unlimited |
| C | Low |
| D | High |
| Q.27 | Controlling part of computer is ? |
| A | Printer |
| B | Keyboard |
| C | Hard disk |
| D | None of these |
| Q.28 | The basic computer processing cycle consists of…..? |
| A | Input, processing and output |
| B | System and application |
| C | Data, information and applications |
| D | Hardware, software and storage |
| Q.29 | Compare is ? |
| A | Arithmetic function of ALU |
| B | Logical function of ALU |
| C | Input and output of ALU |
| D | All |
| Q.30 | Theory for working of computer is ? |
| A | Input |
| B | Output |
| C | Process |
| D | All |