Colors and Codes in Technology

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What does the code 32 represent in the given text?

Digit '1'

Letter 'A'

Space (correct)

Lowercase letter 'a'

Why was an expanded ASCII code developed?

To include Chinese ideograms

To develop different alphabets for European languages

To improve Internet connectivity

To assign codes from 128 to 255 for characters outside the U.S. keyboard (correct)

What was the main issue with the patchy encoding used for European letters?

Not enough codes for all European letters (correct)

Lack of support for Chinese ideograms

Incompatibility with American standards

Limited color encoding capabilities

What is the term used to define giving a specific meaning to a sequence of zeros and ones?

Encoding Signup and view all the answers

How many different strings of zeros and ones can be defined on a byte?

256 Signup and view all the answers

Which system resolved encoding issues when the Internet appeared in the early 1990s?

Unicode code Signup and view all the answers

How many characters can be represented using 2 bytes in the Unicode system?

65536 characters Signup and view all the answers

What does the text state is required for a string of zeros and ones to represent a specific element?

Agreement Signup and view all the answers

What was one of the benefits of the proliferation of Unicode encoding for websites?

Correct display of website content regardless of country Signup and view all the answers

How many characters does the US ASCII standard cover?

128 Signup and view all the answers

What is the value of the byte when all zeros are present according to the assumption in the text?

$0$ Signup and view all the answers

Why is it important for a given code in encoding to always mean the same thing?

For consistency and clarity Signup and view all the answers

What does a code refer to when dealing with colors?

Colors Signup and view all the answers

What is the purpose of encoding colors into codes on a screen?

To match each point on the screen with a specified code Signup and view all the answers

How many colors did the initial black and white screens support?

256 Signup and view all the answers

What does one byte save in terms of natural numbers?

0 to 255 Signup and view all the answers

How do you encode numbers using binary entry?

Using one byte for numbers from 0 to 255 Signup and view all the answers

What is required for saving the negative sign or a decimal point when encoding numbers?

A contract or encoding Signup and view all the answers

What does a value of 0 in the first bit of a byte indicate?

A plus sign Signup and view all the answers

How is a byte divided for encoding negative numbers?

One bit for sign, the rest for the absolute value Signup and view all the answers

What is the range of integers that can be saved using one byte for encoding?

< -127; +127 > Signup and view all the answers

How does increasing the number of bytes affect the range of integers that can be saved?

< -32767; +32767 > Signup and view all the answers

When encoding real numbers, what question needs to be answered regarding the decimal point?

Where to place the decimal point Signup and view all the answers

What issue arises when trying to encode the number 11.011 with only 8 bits available?

Number 10000.0000 falls out of range Signup and view all the answers

What method is defined as recording numbers with a mantissa and exponent?

Floating-point method Signup and view all the answers

How is the number 23.45 represented using moving the decimal point?

1.23410 or 0.1234100 Signup and view all the answers

How many bits are used for the exponent in encoding a floating-point number on 32 bits?

8 bits Signup and view all the answers

What is the purpose of moving the decimal point in saving binary numbers?

To save space for significant zeros Signup and view all the answers

What are the two components of a floating-point number encoding?

Mantissa and Exponent Signup and view all the answers

How is the binary number 10000.0000 represented after moving the decimal point by 4 positions to the left?

1.00000000 Signup and view all the answers