Understanding Computer Data Representation

What are the two binary values used in computing?

• On and Off

• 0 and 1

• 1 and 2

• True and False

How is the number 5 represented in binary?

• 111

• 110

• 101

• 100

What is the highest value an 8-bit number can represent?

• 100

• 256

• 1024

• 255

How many bits are in a byte?

• 16

• 64

• 8

• 32

What does a kilobyte traditionally represent?

• Both 1000 bytes and 1024 bytes

• 1024 bytes

• 1000 bytes

• 8000 bits

What is the largest number a 32-bit system can represent?

• Just under 4.3 billion

• Over 9 billion

• Approximately 2 billion

• Exactly 1 million

What is the purpose of the first bit in a 32-bit floating point number?

• To increase precision

• To indicate the sign of the number

• To store the significand

• To represent the exponent

What does ASCII stand for?

• Advanced System for Code Information Interchange

• American Standard Code for Information Interchange

• American System for Computerized Information Exchange

• Automated Standard Code for International Interchange

What was a major limitation of ASCII?

• It was too complex

• It could not represent numbers

• It could only represent English characters

• It used too much memory

What does Unicode aim to provide?

• A compact form of text storage

• An improved version of ASCII for English

• A new way to represent binary data

• A universal encoding scheme for all languages