# Binary Shifts

### Lesson Instructions

Watch and follow the YouTube video, the lesson contains three parts:

**Key Information and content -**all you need to do here is watch and listen. We recommend you take some notes for this one!**Learning activity -**You are to complete the exercise completing and explaining what happens with binary shifts.**Consolidation -**these are past exam question and are for deliberate practice to check your understanding.

# Task - Binary Shifts Activity

# Task - Exam Questions - Deliberate Practice

## Mark Scheme

### Question 1 (a)

00110010

### Question 1 (b)

1 mark per bullet to a maximum of 2.

The number is divided by 4

Loss of accuracy...

...the bits on the right are removed

### Question 2 (a)

1 mark for each correct answer:

Denary equivalent: 173 (top row)

Binary number after 2 place left shift: 10110100

Denary equivalent for number after shift: 180

### Question 2 (b)

1 mark for each point:

The number should multiply by 4...

...but it gives the wrong answer, because the value is more than 255, the maximum number represented by 8 bits