Informatics practices

_____is an intermediary between user and the computer hardware

• Hardware

• Operating System

• Buses

• Main Memory

____ is a pointing device that was developed by Douglas Engelbert in 1963

• Keyboard

• Printer

• Mouse

• Mointor

Group of four bits is called a ________

• bit

• Byte

• Mega Byte

• Nibble

ASCII stands for

• American Standard Code for Information Interchange

• Asian Standard Code for Information Interchange

• American Structured Code for Information Interchange

• American Standard Code for Interchange Information

______ are small data holding areas within CPU that hold data, instructions and memory address during processing

• Buses

• Memory

• Registers

• CPU

_____ is a universal coding standard adopted by all new platforms

• ASCII

• Unicode

• ISCII

• Binary

_____ fetches the input and converts it into binary form which is directly understood by the computer

• Data

• Output Unit

• Input Unit

• Program

_____ bus carries instructions to carry out operations such as Read from/ write to memory and its associated I/O operation

• Control Bus

• Data Bus

• Address Bus

• Bus

Data Vs Information

• Collection of data

• Processed data and Raw Facts

• Raw Facts and figures

• Raw Facts and Processed data

________ is a volatile memory; its contents are lost when power is turned off.

• ROM

• RAM

• Memory Unit

• data