Lecture 02 - IT 1020SEF

Which of the following numbering systems uses only two symbols, 0 and 1?

• Decimal

• Octal

• Binary

• Hexadecimal

What is my name ???????

• Dani

• Danny

• Dannny

• Daniel

What is the base (radix) of the hexadecimal numbering system?

• 2

• 8

• 10

• 16

In the binary system, the most significant bit (MSB) is the:

• Smallest value bit

• Largest value bit

• Middle bit

• Least significant bit

In the decimal system, the place value of each digit depends on powers of:

• 2

• 8

• 10

• 16

How many symbols are used in the octal numbering system?

• 2

• 8

• 10

• 16

What are the three major components of a CPU?

• Arithmetic Logic Unit (ALU),

  Cache,

  Control Unit

• Arithmetic Logic Unit (ALU),

  Control Unit,

  Memory Unit

• Arithmetic Logic Unit (ALU),

  Control Unit,

  Registers

• Arithmetic Logic Unit (ALU),

  Registers,

  Cache

Which numbering system is most commonly used by humans for everyday calculations?

• Binary

• Octal

• Hexadecimal

• Decimal

In a hexadecimal system, what does the letter "F" represent in decimal?

• 12

• 13

• 14

• 15

What happens to volatile memory (like RAM) when a computer loses power?

• It stores everything in a secret backup

• All data is lost

• It saves everything to the cloud

• It turns into non-volatile memory