Summary: Intro To Java Programming, Comprehensive Version, Global Edition | 9781292070025 | Y Daniel Liang
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1 Chapter 1 Introduction to Computers, Prgrams, and Java
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What means the term programming?
to create or develop software, wich is also called a program -
Wich tools help software developers to create a software?
programming languages -
1.2 What is a Computer
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What is a Computer?
A computer is an electronic device that stores and processes data. -
Wich 6 major hardware components does the computer consists?
CPU ( a central processing Unit)
- Memory (main memory)
- Storage devices ( such as disks and CDs)
- Input Devices ( such as the mouse and keyboard)
- Output devices ( such as monitors and printers)
- Communication devices ( such as modems and network interface cards) -
On what is a computer's components are interconnected?
by a susbsytem called a bus -
1.2.1 Central Processing Unit
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What does the control unit?
it controls and coordinates the actions of the other components. -
What does The arithmetic/logic unit?
it performs numeric operations (addition, subtraction, multiplication, division) and logical operations (comparisons). -
What is the part of the processor that performs the reading and executing of instructions?
The core -
1.2.2.1 Bits and Bytes
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What is the minimum storage unit in a computer?
a Byte -
What is an encoding scheme?
is a set of rules that govern how a computer translates characters, numbers, and symbols into data the computer can actually work with.
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