Cards (70)

    • What are the digits used in the binary number system?
      0 and 1
    • The base of the binary number system is 2
    • The binary number system is directly suitable for computers because it aligns with voltage levels.
    • Match the advantage of using binary in computers with its description:
      Simple implementation ↔️ Uses only two states: on/off
      High reliability ↔️ Low number of states reduces errors
      Efficient data storage ↔️ Requires minimal memory space
    • How many digits does the hexadecimal number system use?
      16
    • The digits in the hexadecimal system include 0-9 and A-F
    • Each hexadecimal digit corresponds to four binary digits.
    • Steps to convert a binary number to decimal:
      1️⃣ Identify each digit's place value (powers of 2 from right to left)
      2️⃣ Multiply each digit by its place value
      3️⃣ Sum the products
    • To convert a decimal number to binary, you divide by 2
    • What is the value of the hexadecimal digit A in decimal?
      10
    • When converting binary to hexadecimal, you group the binary digits into sets of four.
    • Match the conversion type with its method:
      Binary to Decimal ↔️ Multiply by powers of 2
      Decimal to Binary ↔️ Divide by 2 repeatedly
      Hexadecimal to Decimal ↔️ Multiply by powers of 16
      Decimal to Hexadecimal ↔️ Divide by 16 repeatedly
      Binary to Hexadecimal ↔️ Group into sets of four
      Hexadecimal to Binary ↔️ Convert each digit to four bits
    • Why is hexadecimal useful for representing binary data?
      Uses fewer digits
    • Hexadecimal numbers are easy to convert to binary numbers.
    • The hexadecimal number system is a base-16
    • Match the number system with its base:
      Hexadecimal ↔️ 16
      Decimal ↔️ 10
      Binary ↔️ 2
    • The digits in the hexadecimal number system are 0-9 and A-F
    • The decimal number system is the natural language of digital circuits.
      False
    • What is the method for converting a binary number to decimal?
      Multiply by powers of 2
    • To convert a decimal number to binary, you divide by 2
    • Steps to convert a decimal number to binary:
      1️⃣ Divide the decimal number by 2
      2️⃣ Record the remainder (0 or 1)
      3️⃣ Repeat the division until the quotient is 0
      4️⃣ Write the remainders in reverse order
    • What is the method for converting a hexadecimal number to decimal?
      Multiply by powers of 16
    • To convert a decimal number to hexadecimal, you divide by 16
    • How do you convert a binary number to hexadecimal?
      Group in sets of four
    • Converting a hexadecimal digit to binary involves writing four bits for each digit.
    • Match the number system with its conversion method:
      Binary to Decimal ↔️ Multiply by powers of 2
      Decimal to Hexadecimal ↔️ Divide by 16 and record remainders
      Hexadecimal to Binary ↔️ Convert each digit to four bits
      Decimal to Binary ↔️ Divide by 2 and record remainders
    • Unsigned integers can only represent non-negative values.
    • Unsigned integers use one bit to indicate the sign of the number.
      False
    • What are the two main components of floating-point representation?
      Mantissa and exponent
    • Floating-point numbers are suitable for scientific and engineering calculations.
    • Floating-point numbers have unlimited precision.
      False
    • Floating-point numbers are often represented in normalized form to ensure maximum precision
    • Floating-point numbers can represent fractions and decimals, unlike integers.
    • Floating-point numbers have limited precision due to a fixed number of bits for the mantissa and exponent
    • What is an example of a floating-point number in normalized form?
      1.234×1051.234 \times 10^{5}
    • Character encoding standards define how text characters are represented as binary values in computers.
    • ASCII supports only 128 characters and has a range from 0 to 127.
    • How many characters does Unicode support?
      Over 143,000
    • Order the following encoding standards based on compatibility with ASCII:
      1️⃣ UTF-8
      2️⃣ ASCII
    • What is an advantage of using Unicode in multilingual documents?
      Supports vast range of characters
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