ڴֻҪˣ ³ʦ㷨⣨洢ƪ
2014-09-12 17:33йֻԭ
źܶżֻûֻʾڴ治㣡 ֻ˶Ƽȥ2GB3GBĴڴֻڴ治⣬ҲὨɾһЩҪڴľȡ֪νڴ浽ʲôDzֻҪأڴɶ
ڴӲ֪ʶRAMFLASH
һЩ̼һߣǹڡڴ桱һֱ˵IJ岻ܻ˰洢RAMڲ洢FLASH棩֮Ϊڴ棬Ҳ˱Թ˵ֻڴ̫СˣĺܡͻԩǮȥڴ濨TFǧҪΪֻǸЦǶڲƷ˵ЩҲģġ
洢RAMľڴݽRAMԽܹʱ洢ԽRAMٶԽ죨ΪڴƵƵʣݽٶԽ졣̼ƷʱֻС˵ڴٶȡڴֵĹ濴Ķʡ2GB3GBڴ桱ͬΪ3GBڴ棬˭ҵڴȴ˿ᡣ
ڲ洢FLASH棩ɵϵӲ̣Ҫݴ洢ڶϵ״̬ҲԱϡֻʾǡROMʵROMֻڲ洢һֻ֣ܶϵͳļUI ROMһࣩROMСѾ߽ͨܣ˵ROMСڲ洢Сʱ˶DZһ˼
ڲ洢Сܹ洢ϵĶ٣ϲµӰû˵ﲻTӲ̶Dzġֻ˵ĸͽڲ洢FLASH棩Ŀǰܶ콢ֻ֧TFչĸͱ˵ġڲڴ(ֻ֧TF³ʦIJǿԲԴ洢ٶȵ)ƻ16GB32GB64GB۸Ҳв졣
RAMFLASHڴô
ڴΪɶ
ֻӲٶȷdzĿ죬ںܶ˶ڹעCPUƵߵ͵ʱڴҪԶӵˣˡԽԽá
ԽԽô RAMFLASHĴСܹ洢ݵĴС˵ȷʵԽԽáǴСӰܺܵȫڴٶҲDZҪӵġڴñһ··ĿȾǴС·ٵȼٶȡڵλʱڰ˳ĸ·ͨг϶ҪСɳ·ͨö࣬ҲǸܵڴرҪҪ죡
RAMڲ洢ֱ߱ġ족ԵʱֻʱͻּϷٶȸ죬Ƭ洢ٶȸ죬ϵͳл죬ϵͳܹͬʱеijࡣΪԣܶں̨УЩʱֻٲǴǿݽġ·ռˡ
³ʦôԵģ
RAMԣ
һ³ʦRAMǰܵ˺ܶRAM ĸҪ˵³ʦRAMϵǵڴضָ³ʦRAM⽫СٶֿˡRAMС+RAMĽٶȾRAMĵ÷˼·
RAMС֣ڲݼλ1GB=1024MBļм֣Խ÷Խߡ
RAMٶȣRAM ĸROMĶдһΪϵݾͻᶪʧûждһ˵RAM ٶȺλһٶȵĸо³ʦIJԽгֵ㷨ݵλʱɵĸֵõRAMܵ÷֡
FLASHԣ
FLASHIJûдСģ³ʦΪFLASHСչTFĴСͬһΪĿǰֻͬвֻܹ֧չչĴС˵ģڴСֶûʹòοûмֵ³ʦFLASHҪٶȽеģͨbonnie++㷨áô洢Ķдʡ
ڴӲ֪ʶRAMFLASH
һЩ̼һߣǹڡڴ桱һֱ˵IJ岻ܻ˰洢RAMڲ洢FLASH棩֮Ϊڴ棬Ҳ˱Թ˵ֻڴ̫СˣĺܡͻԩǮȥڴ濨TFǧҪΪֻǸЦǶڲƷ˵ЩҲģġ
洢RAMľڴݽRAMԽܹʱ洢ԽRAMٶԽ죨ΪڴƵƵʣݽٶԽ졣̼ƷʱֻС˵ڴٶȡڴֵĹ濴Ķʡ2GB3GBڴ桱ͬΪ3GBڴ棬˭ҵڴȴ˿ᡣ
ڲ洢FLASH棩ɵϵӲ̣Ҫݴ洢ڶϵ״̬ҲԱϡֻʾǡROMʵROMֻڲ洢һֻ֣ܶϵͳļUI ROMһࣩROMСѾ߽ͨܣ˵ROMСڲ洢Сʱ˶DZһ˼
ڲ洢Сܹ洢ϵĶ٣ϲµӰû˵ﲻTӲ̶Dzġֻ˵ĸͽڲ洢FLASH棩Ŀǰܶ콢ֻ֧TFչĸͱ˵ġڲڴ(ֻ֧TF³ʦIJǿԲԴ洢ٶȵ)ƻ16GB32GB64GB۸Ҳв졣
RAMFLASHڴô
ڴΪɶ
ֻӲٶȷdzĿ죬ںܶ˶ڹעCPUƵߵ͵ʱڴҪԶӵˣˡԽԽá
ԽԽô RAMFLASHĴСܹ洢ݵĴС˵ȷʵԽԽáǴСӰܺܵȫڴٶҲDZҪӵġڴñһ··ĿȾǴС·ٵȼٶȡڵλʱڰ˳ĸ·ͨг϶ҪСɳ·ͨö࣬ҲǸܵڴرҪҪ죡
RAMڲ洢ֱ߱ġ족ԵʱֻʱͻּϷٶȸ죬Ƭ洢ٶȸ죬ϵͳл죬ϵͳܹͬʱеijࡣΪԣܶں̨УЩʱֻٲǴǿݽġ·ռˡ
³ʦôԵģ
RAMԣ
һ³ʦRAMǰܵ˺ܶRAM ĸҪ˵³ʦRAMϵǵڴضָ³ʦRAM⽫СٶֿˡRAMС+RAMĽٶȾRAMĵ÷˼·
RAMС֣ڲݼλ1GB=1024MBļм֣Խ÷Խߡ
RAMٶȣRAM ĸROMĶдһΪϵݾͻᶪʧûждһ˵RAM ٶȺλһٶȵĸо³ʦIJԽгֵ㷨ݵλʱɵĸֵõRAMܵ÷֡
FLASHԣ
FLASHIJûдСģ³ʦΪFLASHСչTFĴСͬһΪĿǰֻͬвֻܹ֧չչĴС˵ģڴСֶûʹòοûмֵ³ʦFLASHҪٶȽеģͨbonnie++㷨áô洢Ķдʡ
ݿԣ
ݿijһӲеģνݿЧʣǴ洢ݵĽṹӣݱݵЧʡǾݴ洢ݼءɾЩݵõģݿԾǼתЧʣӲأͬʱҲֻϵͳײṹйϵһܸ
³ʦݿǼָSQliteݿinsertupdateselectָɵʱ䣬ʱ䳤̻ݿܵ÷֡ΪһԴǶʽݿƷSQLiteϵͳСЧʸߵԣһƶƽ̨iphone, androidʹSQLiteݿ
ܽ³ʦĴ洢Ծߵʵʸܣֻܹչڴ濨ڴԾͻΪİӷ֡DzҪڴ棬Ҫܵڴ棬ڴܾΣ̶ģҪ³ʦIJ˽ֻǾ仰³ʦIJԷҲģӭϵǣΪЧIJԷӣ³ʦٷԸĿ
ĵַ:http://www.cnonline.org/2014/article/11997.html