Tes Diagnostik Informatika Kelas 11

What is the binary representation of the decimal number 13?

• 1100

• 1010

• 1101

• 1111

Which file format includes lossy compression?

• PNG

• BMP

• JPEG

• TIFF

Why is compression important in digital communication?

• To make files more colorful

• To reduce file size and save bandwidth

• To secure files

• To improve resolution

Convert 10011010 to decimal.

• 154

• 156

• 150

• 160

How does sampling rate affect sound quality?

• High sampling rate makes files smaller

• Low sampling rate improves quality

• High sampling rate increases accuracy

• Sampling rate has no effect

What does DNS stand for?

• Digital Network Service

• Data Numbering System

• Domain Name System

• Data Network Storage

What is the function of an IP address?

• To compress files

• To encrypt sites

• To locate devices on a network

• To remove malware

Which of the following is a valid IPv4 address?

• 300.22.15.89

• 192.168.0.1

• 10.0.0.256

• 123.456.78.90

How is data transmitted over the internet?

• Only through cables

• In a fixed route

• In the form of data packets

• One by one

Why is HTTPS preferred over HTTP?

• Faster

• Safer

• Uses less memory

• Reduces resolution