Вопросы по компьютерным технологиям

What type of signals do computers recognize?

• Digital (Correct answer)

• Analog

• Continuous

• Pulsed

What is a byte made of?

• 4 bits

• 16 bits

• 8 bits (Correct answer)

• 10 bits

Which system uses 16 digits to represent binary numbers?

• ASCII

• Hexadecimal (Correct answer)

• Unicode

• EBCDIC

How many characters can ASCII represent?

• 128 (Correct answer)

• 256

• 512

• 65000

What encoding system is primarily used on mainframes?

• ASCII

• Unicode

• EBCDIC (Correct answer)

• Binary

Which input device converts scanned data into a processable form?

• Printer

• Scanner (Correct answer)

• Joystick

• Monitor

Which device allows users to interact directly with what is displayed on the screen?

• Touch screen (Correct answer)

• Mouse

• Keyboard

• Game controller

Which of the following is a pointing device?

• Mouse (Correct answer)

• Monitor

• Printer

• Scanner

Which system uses 16 bits to represent more than 65,000 characters?

• ASCII

• Unicode (Correct answer)

• EBCDIC

• Binary

What is the role of a card reader?

• Printing documents

• Interpreting encoded information on cards (Correct answer)

• Displaying data

• Storing large volumes of data