АКС 121-150

Which of the following is an output device?

• Monitor

• Microphone

• Scanner

• Keyboard

What is the main function of a power supply unit (PSU)?

• Converts AC to DC power for the computer

• Processes logical operations

• Transmits network data

• Controls software updates

What type of software is an operating system?

• System software

• Application software

• Utility software

• Programming software

What is the role of the system bus?

• Transfers data between components

• Cools the processor

• Stores instructions

• Displays system messages

What is firmware?

• Software stored on hardware (usually in ROM)

• A type of antivirus program

• Temporary application file

• External device configuration

What does “multitasking” mean in computing?

• Running multiple programs at the same time

• Using multiple processors

• Installing software

• Rebooting the system

What is virtualization in computing?

• Running multiple virtual systems on a single physical machine

• Creating new hardware devices

• Encrypting data

• Backing up to the cloud

What does a UPS device do?

• Provides backup power during outages

• Enhances video output

• Cools the system

• Connects wireless devices

What is a computer bus?

• A communication system for data transfer

• A backup unit

• A display setting

• A sound card

Which component executes program instructions?

• Central Processing Unit (CPU)

• Hard Drive

• RAM

• Graphics Card