What is a Computer?
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Questions and Answers

What is the primary function of a computer?

  • To output data in a specific format
  • To receive and store data only
  • To process data solely based on user input
  • To execute applications and provide solutions (correct)

What is the basis of a computer's operation?

  • A set of instructions (programs) (correct)
  • A set of algorithms
  • A set of user inputs
  • A set of hardware components

What is the result of a computer combining its hardware and software components?

  • A specific output format
  • A set of programs
  • A variety of solutions (correct)
  • A single, integrated system

What is the purpose of a computer's hardware components?

<p>To integrate with software components (C)</p> Signup and view all the answers

What is the nature of a computer's processing?

<p>Based on a set of instructions (programs) (A)</p> Signup and view all the answers

How many characters can the ASCII encoding standard represent?

<p>128 (B)</p> Signup and view all the answers

What is the primary advantage of Unicode over ASCII?

<p>It can represent more characters (A)</p> Signup and view all the answers

What is the purpose of encoding tables in computers?

<p>To provide a standardized way to map characters to numbers (B)</p> Signup and view all the answers

What is the minimum number of bits required to represent a character in the ASCII encoding standard?

<p>7 (C)</p> Signup and view all the answers

What is the name of the encoding standard that uses either one or two 16-bit code units per character?

<p>UTF-16 (D)</p> Signup and view all the answers

Which type of computer is used for complex, high-end computations such as weather forecasting and molecular research?

<p>Supercomputer (A)</p> Signup and view all the answers

What is the primary purpose of encoding tables like ASCII and Unicode in computers?

<p>To represent and manipulate textual information (A)</p> Signup and view all the answers

In the RGB color model, what is the range of values for each component in decimal notation?

<p>0 to 255 (D)</p> Signup and view all the answers

What is the prefix symbol used to represent hexadecimal colors in web design?

<h1>(A)</h1> Signup and view all the answers

How are the red, green, and blue components represented in hexadecimal format?

<p>Each component is converted into a two-digit hexadecimal number (B)</p> Signup and view all the answers

What is the purpose of converting RGB colors into hexadecimal format in web design?

<p>To make the colors more accessible to computers (A)</p> Signup and view all the answers

What is the result of concatenating the three two-digit hexadecimal numbers in hexadecimal color representation?

<p>A six-digit hexadecimal number (A)</p> Signup and view all the answers

What is the factor by which each unit of measurement increases beyond Gigabyte (GB)?

<p>1,024 (A)</p> Signup and view all the answers

Why is the hexadecimal system widely used in computing?

<p>Because of its concise representation of binary data and ease of conversion (D)</p> Signup and view all the answers

What is the actual capacity of a '500GB' hard drive in binary terms?

<p>536,870,912,000 bytes (C)</p> Signup and view all the answers

What is the decimal equivalent of the letter 'A' in the hexadecimal system?

<p>10 (D)</p> Signup and view all the answers

What is the basis of the capacities of storage devices, such as hard drives or SSDs?

<p>Binary system (A)</p> Signup and view all the answers

What is the purpose of manufacturers using decimal prefixes when marketing storage devices?

<p>To make the capacities easier for humans to understand (B)</p> Signup and view all the answers

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