1) How do modern computers represent signed integer numbers?

1's Complement

2's Complement

Sign-and-magnitude

Offset binary

2) How many bytes are used to encode a single instruction in ARM assembly?

A) 2

B) 4

C) 8

D) 16

3)

What is the size of an ARM register in bytes?

A) 1

B) 2

C) 4

D) 8