Introduction to Computer Components

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Questions and Answers

What is the main function of the Central Processing Unit (CPU)?

Transferring data from input devices to output devices
Controlling the flow of electricity inside the computer
Executing instructions to perform arithmetic and logical operations (correct)
Storing data for future use

Which unit is responsible for entering data into a computer from input devices?

Output Unit
Secondary Memory
Main Memory
Input Unit (correct)

What are examples of input devices mentioned in the text?

Keyboard, Mouse, and Digital Cameras
Light Pen, Trackball, and Joystick
Point Of Sale Terminal (POS Terminal), Magnetic Ink Character Recognition (MICR), and Tag Reader
All of the above (correct)

What is the unit that executes instructions to perform arithmetic and logical operations inside the computer?

Arithmetic Logic Unit (ALU) (A) Signup and view all the answers

How is the speed of the CPU typically measured?

Megahertz (MHz) and Gigahertz (GHz) (B) Signup and view all the answers

What are the functions of the Arithmetic Logic Unit (ALU) and the Control Unit (CU) within the Central Processing Unit (CPU)?

The ALU performs arithmetic and logical operations, while the CU controls the execution of instructions and the flow of data within the CPU. Signup and view all the answers

What are some examples of input devices mentioned in the text?

Examples of input devices mentioned in the text include keyboard, mouse, light pen, joystick, digital cameras, trackball, and point of sale terminal (POS terminal). Signup and view all the answers

What are the main components of a computer system according to the text?

According to the text, a computer system consists of hardware, software, and human ware (user). Signup and view all the answers

What are the units included in the hardware components of a computer system?

The hardware components of a computer system include central processing unit (CPU), input devices, output devices, main storage unit, and secondary storage devices. Signup and view all the answers

How is the speed of the CPU typically measured, and what are some examples of popular CPUs mentioned in the text?

The speed of the CPU is typically measured in Megahertz (MHz) and Gigahertz (GHz). Some popular CPUs mentioned in the text are Intel and AMD. Signup and view all the answers