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Copyright 2012 Pearson Education, Inc.

Chapter 1

INTRODCTION

TO CO!PTIN"

#ND EN"INEERIN"

PRO$%E! &O%'IN"

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2Copyright 2012 Pearson Education, Inc.

Out(ine

1. O)*ecti+es

2. Coputing &ystes

-. #n Engineering Pro)(e&o(+ing

!ethodo(ogy

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-Copyright 2012 Pearson Education, Inc.

O)*ecti+es

/ Introduce coputing and engineering

pro)(e so(+ing, inc(uding

# discussion o hard3are and sot3are

# i+estep pro)(eso(+ing ethodo(ogy4

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5

Coputing &ystes

/ # coputing syste is a cop(ete 3or6ing

syste that inc(udes

7ard3are8h93:

&ot3are 8s93:


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;

7ard3are

7ard3are8h93: 8i.e. they can actua((y )e

touched:

/ Physica( parts o the coputing syste

that ha+e ass/ Coputer

/ Disp(ay

/ !ouse/ Printer

/ on +on Neuann coputing ode(

1. Input de+ice8s:

2. Output de+ice8s:

-. !eory nit

5. CP 8Centra( Processing

Unit: consisting o

/ Contro( nit

/ #% 8Arithetic Logic Unit:


C

P

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7ard3are

>on +on Neuann coputing ode(

1. Input de+ice8s:

2. Output de+ice8s:


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7ard3are

>on +on Neuann coputing ode(

-. !eory nit

&tores data

5. CP8Centra( Processing nit:

Contro(s the transer and the process o the

data

/ Contro( nit

/ #% 8#rithetic %ogic nit:


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&ot3are


/ Coputer sot3are reers to prograsthat reside and eBecute electronically

on the hard3are.

Operating systes e.g. indo3s, niB, %inuB,.. Pro+ide the 7CI 8Huan Coputer Interace:

#pp(ication progras Pro+ide pro)(e so(utions e.g. !.&. ord, EBce(,

!at(a)

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Coputer %anguages

/ Coputer %anguages three (e+e(s

!achine %anguage 3ritten using the digits 0s and 1s

8)inary:.

#sse)(y %anguage 3ritten in sy)o(ic stateents

7igh%e+e( %anguage C, >a+a, $asic,< 8Eng(ish

(i6e coands.:


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Coputer %anguages


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12

&ot3are Interace to

Coputer 7ard3are


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$ui(ding a Progra

/ Coputers on(y understand achine

(anguage. High-level languages (i6e C

ust )e trans(ated to achine (anguage

or eBecution.


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$ui(ding a Progra


/ progra 3ritten in a high(e+e( (anguage such as C ust )e trans(ated into achine (anguage

/ Copi(er Con+erts sourceprogra to objectprogra

/ %in6er Con+erts objectprogra to executableprogra

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ey Ters


/ &ource Progra

printa)(eFReada)(e Progra i(e

/ O)*ect Progra

nonprinta)(e achine reada)(e i(e

/ EBecuta)(e Progra

nonprinta)(e eBecuta)(e code

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Errors in Progras

/ &yntaBFParse Errors

!ista6es 3ith the (anguage.

#(3ays reported )y the copi(er

/ %in6ing Errors !issing pieces pre+ent the ina( asse)(y o an

eBecuta)(e progra.

/ Runtie Errors Occur 3hen progra is eBecuting.

!ay or ay not )e reported.


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%ogic Errors

/ Can )e diicu(t to ind.

/ De)ugging can )e tie consuing.

$etter too(s or ind )ugs

/ It is iportant to careu((y chec6 the output

o your progras or errors.

E+en progras that appear to 3or6 correct(yay ha+e )ugsG


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De)ugging

/ Process o e(iinating (ogic errors

8i.e. )ugs: ro progras.

/ serriend(y prograing en+ironents

such as !icrosot 'isua( C integrate the

copi(er 3ith teBt processors and code editors

specia( too(s to he(p ind )ugs in progras 8de)ugger:

testing too(s

and uch ore

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