Computer Number Systems and Representations Flashcard

Front

Which of the following is a system used to represent numbers in computers? Decimal Number System, Color Representation, Image Representation, Conclusion

Back

Decimal Number System

Front

Which of the following is an example of simple data being represented in a more complex method, as mentioned in the text? An image on a screen, A printed book, A handwritten note, A spoken word

Back

An image on a screen

Front

Why is the Operating System (OS) important for running application software on a device?

Back

Because it connects the hardware and application software, allowing them to work together.

Front

What is the primary function of the operating system in a computer system?

Back

Manages hardware resources and acts as an intermediary between hardware and application software

Front

What is the binary number system based on?

Back

Two possible values: 1 or 0

Front

If you want to store 16 different values, how many bits do you need at minimum?

Back

4

Front

Which of the following statements best explains why ASCII was extended to use 8 bits? Options: To represent more characters, including Latin characters and special symbols, To reduce the memory required for each character, To make binary code easier to read, To improve computer processing speed

Back

To represent more characters, including Latin characters and special symbols

Front

Suppose you are given the binary number for a character. What is the process to find its ASCII character using the ASCII table?

Back

Convert the binary number to decimal, then look up the corresponding character in the ASCII table.

Front

Which of the following is a standard developed for character encoding that is still widely used today for supporting multiple languages and emoji characters? ASCII, Unicode, Morse Code, Binary Coded Decimal

Back

Unicode

Front

Which of the following best describes the concept of abstraction in computer science? Hiding the binary representation so programmers can use characters to represent data, Writing all code using only binary numbers, Using only numbers to represent all data, Making code more complex by adding extra details

Back

Hiding the binary representation so programmers can use characters to represent data