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一级计算机基础及MS office应用重点总结合集.doc - 百度文库

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ͨΪԡԺ͸߼3 (1)ԡǼΨһܹʶֱִеԡ

(2)ԡûԱдijΪԴ.ֱʶȰѻԳɻԳ(Ŀ)ȻִܱС

(3)߼ԡ߼Ҫ÷ķɻԳִСķС͡͡롱֡һ߼Դ뾭롱͡װ䡱ܳΪִеĻ.

Ӳ 1

ǼݺγϢļӹҪ߼㣬߼㲿(ALU)ۼͨüĴɡ

2

Ǽ࣬ԿƺЭԶִиָָͨʱ򲿼Ʋɡ

(1)ָĴɴ洢ȡõָ

(2)ָеIJ뷭ӦĿźš

(3)ʱķһʱͽĵλʹüнࡢдع (4)Ʋ塢λĿźʱԵءʱؿƸӦIJ

(5)ָָһָĵַ 3洢

洢ǼװãҪݺͳ򣬾дȡĹܡ洢Ϊڴ洢洢CPUֻܷʴ洢ڴеݣеֻȵڴܱCPUʺʹ

4.豸

豸Ҫǰ׼õݡϢתΪܽܵĵź˼ 5.豸

豸ҪǰҪֱʽֳ

봦(CPU)

봦(CPU)Ҫ(ALU )Ϳ(CU)󲿼⣬ɸĴ͸ٻ洢ǼĺIJֳ΢вCPUƣCPUڴ洢˼Ǽϵͳ塣CPUֱָӾɵ΢ͼϵͳָꡣCPUָҪֳʱƵ

Ĵ洢Ϊࣺһеڲ洢Ҳ洢ڴŵǰеijͳõݣʱ洢һڼⲿ豸Ĵ洢ⲿ洢.棬Ҳи洢(Ƹ)дʱõݺͳԴ洢.ҪʱӦȵڴ档

ڲ洢

һλ(bit)ǹɴ洢Сλͨÿ8λλɵһ洢ԪΪһֽ(Byte)ÿֽڱһ룬Ϊַ(Address)

1)洢

洢ɵĶϢΪ洢洢Ļλֽ(Byte)⣬õĴ洢λУСKB(ǧֽ),MB(ֽ)GB(ǧֽ)֮ĹϵΪ:

1ֽ(Byte)=8λ(bits)

1 KB1024 B;1MB=1024KB;1GB1024MB

2)ȡʱ

洢Ĵȡʱָһδ洢ɸòʱ. 3)ڴ洢ķ

ڴ洢Ϊ洢(RAM)ֻ洢(ROM).

(1)洢(RAM)洢Ҳжд洢.ص:洢ϢȿԶ,ֿдϢϵϢȫʧ洢ֿԷΪ̬RAMͶ̬RAM.

̬RAMصֻҪϵ磬ϢͿɳʱı.ŵٶȿ,Ҫˢ,״̬ȶ;ȱǹĴ󣬼ɶȵͣɱ.

̬RAMŵʹ٣ĵͣɶȸ:ȱǴȡٶȽҪˢ.

(2)ֻ洢(ROM).ֻ洢ص㣺洢Ϣֻܶ,д,ϵϢҲʧֻ洢¿ɷֳ3ࣺĤֻ洢(MROM) ɱֻ洢(PROM)ͿɲдĿɱֻ洢(EPROM)

RAMROM֮.Լ̬RAM;̬RAM֮1-6ʾ 2.ⲿ洢

Ŀǰõд̡Ŵ͹̵ȡڴȣ洢صǴ洢󡢼۸ϵ,ڶϵҲԳڱϢֳΪԴ洢

̴洢ֿɷΪ̡Ӳ̺͹̵̡Ч¼ɴŵŵڷֱΪ0ŵIŵÿŵֱΪɸǴ̴洢ϢСλӲһжƬܷӲУɲ𿪣洢ɹۣɴXټֽڡ̱װڱУбԽжд̿ɷΪ3.5Ӣ5.25Ӣ֣϶дڣд״ֻ̬ܶдˡ̿ɷΪֻ͹(CD-ROM)һд˹(W0RM)Ϳɲд͹衣̵Ĵ洢¹ʽ㣺

=ŵxxֽxxƬ 豸

гõ豸м̺꣬豸ɨǡд豸豸Ķõ豸ʾʹӡͼǵȡ̼ȿ豸Ҳڳ豸

Ҫָ

ֳһܲдĶֳ8163234λ ƵCPUʱڣλ׺(MHZ?)

ٶȡÿִмӷָĿٶȵĵλǰ/(MIPS) ܴ洢洢͸Ҫָڴܴ洢Ϣֽ ݴ洢ڡ洢һĴȡҪʱ䡣 ý弼

ý弼¼ص㣺ֻɻԺʵʱԡ

(1)ýPC + CD-ROMʮƵʮƵɡӲ⣬ӦӦֶ֧ýIJϵͳ;ǶýĿߡѹͽѹȡ

(2)ýӦҪ¼棺ѵҵͷҵͥ֡УӰӳҵInternetϵӦá

ĸ

ʵһļǡܹ˼ϵͳġϵͳϵһ־Ҹ.

ص

һҪص㡣 ټԡ ڴȾԡ ƻԡ DZԡ ԡ

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