Question

What will be the output of the following code?

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Answer 1

Answer:

const array=[];

array[4]=5;

console.log(array.length);

Answer 2

What will be the output of the following code?

• Output is simply what occurs after all the code has been completed, the final outcome. It is what is entered into the console when all calculations have been completed. Basically, it's what is released.
• Terminology used to describe the interaction between a computer programme and its user is input and output. Input refers to what the user provides to the programme, whilst Output refers to what the software provides to the user.
• The main() function is where the code execution starts. A library function called printf() is used to display formatted output on screens. The string is printed within quote marks by the function. We must use the #include stdio.h> declaration to include the stdio.h header file in order to use printf() in our application.
• I/O devices are the hardware components that allow a person or other system to interact with a computer. For instance, a computer's keyboard or mouse is an input device, but printers and monitors are output devices.
• The following are some examples: displays, printers, audio equipment, headphones, speakers, projectors, GPS units, optical mark readers, and braille readers.
• Monitors and projectors (for video), headphones and speakers (for music), or printers and plotters are common examples of output devices (physical reproduction in the form of text or graphics).

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