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Data Representation

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Data Representation

Automated data Processing

Binary Data representation

Mathematical operations

Boolean Algebra

Hexadecimal Notation

Goals computer Data

Representation

Compactness

Accuracy

Range

Ease manipulation

Standardization

CPU Data types

Integer

Real number

Character

ASCII

Unicode

Boolean

Memory Address

Data structures

Pointers and Address

Arrays and links

Clock Rate 1 1

0.000000001 second

=1 nanosecond

Clock rate 1,000,0000,0000

=

Frequency

1,000 Hz =1 K Hz

1,000 K Hz=1Mega Hz

1,000 M Hz =1 G Hz

CPU Registers

General Registers

Special Purpose Registers

Instruction Registers

Instruction Pointer

Program status Word

PSW primary uses

- Store the result of comparison operation
- Control additional branch execution
- Indicate actual or potential error condition

Cold

Silver

Copper

Aluminum

Iron

Plastics

Rubber

Glass

Factors affecting electronics

or computer component

- Heat
- Resistance
- Conductivity