Computer System Input Units

1. Which of the following components is the main memory of computer?

• CD

• DVD

• INTERNAL HARD DRIVE

• RAM

2. 2. Which component of a computer connects the processor to the other hardware?

• System Bus

• CPU

• Memory

• Input Unit

3. 3. Which of the following is referred to the brain of computer?

• PROCESSOR

• RAM

• ROM

• HARD DRIVE

4. 4. What is the name of programs that control the computer system?

• HARDWARE

• SOFTWARE

• KEYBOARD

• MOUSE

5. 5. The physical components of a computer are called?

• SOFTWARE

• HARDWARE

• ALU

• CPU

6. 6. The CPU is also known as:

• The Brain

• The Processor

• The Central Processing Unit

• All of these

7. 7. Which smaller unit of the CPU directs and coordinates all activities within it and determines the sequence in which instructions are executed, sending instructions sequence to other smaller unit.

• CU

• ALU

• PROCESSOR

• ALL OF THESE

8. 8. Which smaller unit of the CPU performs all arithmetic and logic functions in a computer?

• CU

• ALU

• PROCESSOR

• REGISTERS

9. 9. Component of CPU which is responsible for comparing the contents of two pieces of data is ................

• REGISTER

• PROCESSOR

• CU

• ALU

10. 10. In a computer, CU stands for

• cache unit

• calculating unit

• control unit

• communication unit