Binary Shifts and Their Effects

In this video, Craig explains binary shifts, focusing on both left and right shifts. A left binary shift moves all bits to the left, effectively multiplying the number by two, while a right binary shift moves bits to the right, dividing the number by two. The video uses the binary number 22 as an example to demonstrate these shifts, showing how bits are moved and padded with zeros. The tutorial highlights that shifts can be by more than one bit, maintaining the same principles.

What is the primary action performed in a binary shift?

• Adding bits to the binary number

• Converting binary to decimal

• Shifting bits to the left or right

• Removing bits from the binary number

When left-shifting the binary number 22 by 1 bit, what happens to the bit in the 128 column?

• It moves to the 64 column

• It stays in the 128 column

• It becomes a 1

• It disappears off the left-hand side

After left-shifting the binary number 22 by 1 bit, what is the resulting decimal number?

• 40

• 44

• 22

• 32

What is the effect of left-shifting a binary number by 1 bit?

• It subtracts 1 from the number

• It divides the number by 2

• It adds 1 to the number

• It multiplies the number by 2

What happens to the bits when left-shifting by more than 1 bit?

• They shift over the specified number of places

• They get padded on the left-hand side

• They disappear off the right-hand side

• They remain in their original positions

In a binary right shift, what happens to the bit in the 1 column?

• It moves to the 2 column

• It becomes a 1

• It disappears off the right-hand side

• It stays in the 1 column

What is the effect of right-shifting a binary number by 1 bit?

• It divides the number by 2

• It multiplies the number by 2

• It adds 1 to the number

• It subtracts 1 from the number

What happens to the leading space under the 128 column during a right shift?

• It gets padded with a 0

• It gets filled with the bit from the 1 column

• It remains empty

• It gets padded with a 1

What is the general effect of binary left and right shifts?

• They convert binary numbers to decimal

• They have no effect on the binary numbers

• They can be used to add and subtract binary numbers

• They can be used to multiply and divide binary numbers