Understanding Key Concepts in Technology

What does CPU stand for in computer terminology?

• A. Central Processing Unit

• B. Computer Power Unit

• C. Central Power Unit

• D. Computer Processing Unit

Answer explanation

Which of the following is considered the first general-purpose electronic digital computer?

• A. IBM PC

• B. ENIAC

• C. Macintosh

• D. Apple II

Answer explanation

What is the primary function of a router in a network?

• A. To convert analog signals to digital

• B. To direct data traffic between different networks

• C. To store data permanently

• D. To display web pages

Which of these technologies is primarily used for contactless payment?

• A. NFC (Near Field Communication)

• B. USB (Universal Serial Bus)

• C. HDMI (High-Definition Multimedia Interface)

• D. VGA (Video Graphics Array)

Which company developed the Android operating system?

• A. Apple

• B. Microsoft

• C. Google

• D. Samsung