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Which one of the following measures the speed of the CPU?:

• -: Gigahertz (GHz)

• -: Bits per second (Bps)

• -: Gigabytes (GB)

• -: Megabytes (MB)

• -: Мegahertz(МHz)

Which one of the following describes a computer’s operating system?:

• -: Software that can retrieve information from a database

• -: Hardware that can scan and convert photographs into digital files

• -: Software that controls the allocation and usage of hardware

• -: Hardware that can record and send images across the Internet

• -: System software that manages computer hardware and software resources and provides common services for computer programs

S: Which of the following is NOT an input device?:

• -: Monitor

• -: Projector

• -: Mouse

• -: Keyboard

• -: Scanner

Which of the following are file extensions for audio files?:

• -: .txt ,.mdb

• -: .jpeg.,mpeg

• -: .mp3

• -: .m4r, .midi

• -: .doc.,TIFF

Which of the following is an input device?:

• -: Monitor

• -: Printer

• -: Keyboard

• -: Mouse

• -: Speakers

The capacity of your hard drive is measured in:

• -: Gigahertz

• -: Bits per second

• -: Gigabytes

• -: Megabytes

• -: Мegahertz

: Which device is used to display information on a piece of paper?:

• -: Printer

• -: Monitor

• -: Scanner

• -: Keyboard

• -: Plotter

S: Which device is designed for inputting information?:

• -: RAM

• -: Monitor

• -: Printer

• -: Scanner

• -: Сamera

Which device is part of system block?:

• -: Floppy disk

• -: Hard disk drive

• -: Processor

• -: Scanner

• -: Projector

Byte - is :

• -: Unit of information depicted either 1 or 0

• -: A combination of four hexadecimal digits

• -: 1024 bits

• -: Sequence of 8 bits

• -: The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number