number bases s.1

101₂ + 111₂ =

• 1000₂
• 1001₂
• 1011₂
• 1100₂

What is the value of digit 2, in base ten, in the number 4231₅?

• 50
• 100
• 200
• 250

110 100₂ - 11 011₂ =

• 10 000₂
• 10 001₂
• 11 001₂
• 11 011₂

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

Choose ALL number bases that applied in computer science.

• Base 2

• Base 8

• Base 10

• Base 16

State all digits that used in base 4.

• 0,1,2

• 0,1,2,3

• 0,1,2,3,4

• 1,2,3

State the value of the underlined digit.

5037₉

• 3645

• 45

• 3697

• 81

Choose any numbers which do not represent numbers in base six.

• 245

• 332

• 461

• 212

• 371

Convert 79₁₀ to base 2

(a)  

Find the sum of the following values in base 4.

2030₄ + 1033₄

(a)