Computer Basics

The computer memory is measured in.........

• bytes

• metres

• grams

• volt

1 GB is equal to

• 1024 bytes

• 1024 KB

• 1024 MB

• 1024 GB

Which of the following is the largest unit of memory?

• Byte

• Kilobyte

• Megabyte

• Gigabyte

How many bits are in a byte?

• 4

• 8

• 16

• 32

How many kilobytes are in a megabyte?

• 1024

• 1000

• 512

• 2048

How many bits are there in a nibble?

• 256

• 1024

• 8

• 4

Which of the following is not an input device?

• Keyboard

• Monitor

• Scanner

• Mouse

Select all storage devices

• Pen drive

• Plotter

• Hard Disk

• CD-ROM

Which output device uses powdered ink toner?

• Ink-jet Printer

• Plotter

• Laser Printer

• 3D-Printer

Which input device is used for automatic door opening in shopping centres?

• touch pad

• Mouse

• Infrared sensor

• Keyboard