什麼是字節序?

這是一個推薦產品對話框
熱門建議
起價
查看全部 >
語言
French
English
ไทย
German
繁體中文
國家/地區
All
登入/建立帳戶
language Selector,${0} is Selected
註冊並於Lenovo Pro 商務採購商店購物
於Lenovo教育商店註冊

專業等級福利

• 在 Think 每日價格上節省高達額外 3%
• 消費滿HK$78,000,晉升至 Plus 等級,享有更多福利

Plus 等級福利

• 在 Think 每日價格上節省高達額外 5%
• 消費滿HK$120,000,免費升級至擁有更多福利的菁英等級
等菁英級福利
• 在Think日常價格上節省高達額外8%
經銷商福利
• 可獲得Lenovo全系列產品的使用權
• 配置和購買價格優於Lenovo.com
查看所有詳情 >
再多達到
PRO Plus
PRO 菁英
恭喜,您已達到菁英地位!
Pro for Business
Delete icon Remove icon Add icon Reload icon
即將上市
已停產
暫時無法使用
Cooming Soon!
. Additional units will be charged at the non-eCoupon price. Purchase additional now
We're sorry, the maximum quantity you are able to buy at this amazing eCoupon price is
登入或建立帳戶以儲存您的購物車!
Sign in or Create an Account to Join Rewards
檢視購物車
Wow, your cart is empty!
移除
items in cart
Fill it in with great deals
Some items in your cart are no longer available. Please visit cart for more details.
has been deleted
Please review your cart as items have changed.
/
Contains Add-ons
繼續進行結帳
是的
Popular Searches
今天您想找什麼?
Quick Links
Recent Searches
Hamburger Menu
跳至主要內容
{"arrowColor":"#000000","backgroundColor":"#e6f4fa","divideColor":"","sideMsg":"","data":[{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Pagec266a069-7bec-4daf-93b5-a0c03d4e4972","language":{"zh_hk":"%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E5%8A%A0%E5%85%A5%20Lenovo%20Pro%20%E5%8D%B3%E5%8F%AF%E4%BA%AB%E9%AB%98%E9%81%948%E6%8A%98%E8%BF%8E%E6%96%B0%E5%84%AA%E6%83%A0%3C%2Fspan%3E%3C%2Fp%3E%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E8%87%B4%E9%9B%BB%26nbsp%3B%3C%2Fspan%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20255%2C%20255)%3B%22%3E%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3E2593%200388%3C%2Fstrong%3E%3C%2Fa%3E%26nbsp%3B%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E8%A7%A3%E9%8E%96%E5%84%AA%E6%83%A0%26nbsp%3B%20%26nbsp%3B%20%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3C%2Fspan%3E%3Ca%20href%3D%22%2Fbusiness%2Fbenefits%2F%3FipromoID%3Dhellobar_01_lpro_learn%22%20target%3D%22_blank%22%20textvalue%3D%22%E5%85%8D%E8%B2%BB%E5%8A%A0%E5%85%A5%22%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E5%85%8D%E8%B2%BB%E5%8A%A0%E5%85%A5%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","en":"","en_hk":"%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3EJoin%20Lenovo%20Pro%20for%20up%20to%2010%25%20Welcome%20Discount.%3C%2Fspan%3E%3C%2Fp%3E%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20255%2C%20255)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3ECall%202593%200388%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3Cspan%20style%3D%22font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%3Cstrong%3E%3Cspan%20style%3D%22font-family%3A%20Montserrat%3B%20color%3A%20rgb(255%2C%20255%2C%20255)%3B%22%3E%26nbsp%3B%20%26nbsp%3B%20%26nbsp%3B%3C%2Fspan%3E%3C%2Fstrong%3E%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Fbusiness%2Fbenefits%2F%3FipromoID%3Dhellobar_01_lpro_learn%22%20target%3D%22_self%22%20textvalue%3D%22Join%20For%20Free%22%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Fbusiness%2Fbenefits%2F%3FipromoID%3Dhellobar_01_lpro_learn%22%20target%3D%22_blank%22%20textvalue%3D%22JOIN%20FOR%20FREE%22%20style%3D%22text-decoration%3A%20underline%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%3Cstrong%3EJoin%20For%20Free%3C%2Fstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","zh":""},"id":"Pagec266a069-7bec-4daf-93b5-a0c03d4e4972"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Page18602d9a-68c6-4e21-8ef9-541ce5469e4d","language":{"zh_hk":"%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E5%8A%A0%E5%85%A5%20Lenovo%20Edu%EF%BC%8C%E5%8D%B3%E4%BA%AB%E9%AB%98%E9%81%94%24800%E8%BF%8E%E6%96%B0%E6%8A%98%E6%89%A3%3C%2Fspan%3E%3C%2Fp%3E%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E8%87%B4%E9%9B%BB%3C%2Fspan%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20255%2C%20255)%3B%22%3E%26nbsp%3B%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3Cstrong%3E%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22text-wrap%3A%20wrap%3B%20color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3E2593%200388%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fstrong%3E%3C%2Fspan%3E%26nbsp%3B%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E8%A7%A3%E9%8E%96%E5%84%AA%E6%83%A0%26nbsp%3B%3C%2Fspan%3E%26nbsp%3B%20%26nbsp%3B%3Ca%20href%3D%22%2Flenovo-edu%2Fstudent%2Fbenefits%2F%3FipromoID%3Dhellobar_02_edu%22%20target%3D%22_blank%22%20textvalue%3D%22%E5%85%8D%E8%B2%BB%E5%8A%A0%E5%85%A5%22%20style%3D%22text-decoration%3A%20underline%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E5%85%8D%E8%B2%BB%E5%8A%A0%E5%85%A5%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%26nbsp%3B%3C%2Fspan%3E%3C%2Fp%3E","en":"","en_hk":"%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3EJoin%20Lenovo%20Edu%20and%20enjoy%20up%20to%20%24800%20Welcome%20Discount%3C%2Fp%3E%3Cp%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%20font-family%3A%20Montserrat%3B%22%3E%26nbsp%3B%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Cstrong%3E%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22text-wrap%3A%20wrap%3B%20color%3A%20rgb(255%2C%20255%2C%20255)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3ECall%202593%200388%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fstrong%3E%26nbsp%3B%20%26nbsp%3B%3Ca%20href%3D%22%2Flenovo-edu%2Fstudent%2Fbenefits%2F%3FipromoID%3Dhellobar_02_edu%22%20target%3D%22_blank%22%20textvalue%3D%22Join%20For%20Free%22%20style%3D%22text-decoration%3A%20underline%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%3Cstrong%3EJoin%20For%20Free%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fspan%3E%3C%2Fp%3E","zh":""},"id":"Page18602d9a-68c6-4e21-8ef9-541ce5469e4d"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Page375ea481-5f97-4833-86ce-42c3842dc33f","language":{"zh_hk":"%3Cp%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%E6%9C%89%E7%96%91%E5%95%8F%E5%97%8E%EF%BC%9F%20%E5%A6%82%E9%9C%80%E6%88%91%E5%80%91%E7%9A%84%E5%B0%88%E5%AE%B6%E5%BB%BA%E8%AD%B0%EF%BC%8C%E8%AB%8B%E8%87%B4%E9%9B%BB%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20color%3A%20rgb(255%2C%20255%2C%20255)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%26nbsp%3B%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20255%2C%20255)%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3E2593%200388%3C%2Fstrong%3E%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E6%88%96%E9%BB%9E%E6%93%8A%E3%80%8C%E8%81%8A%E5%A4%A9%E3%80%8D%EF%BC%81%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3Ca%20target%3D%22_self%22%20class%3D%22live_chat_daily%22%20style%3D%22text-wrap%3A%20wrap%3B%20text-decoration%3A%20underline%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E8%81%AF%E7%B5%A1%E6%88%91%E5%80%91%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","en":"","en_hk":"%3Cp%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3ENeed%20Help%3F%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20color%3A%20rgb(255%2C%20255%2C%20255)%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%26nbsp%3B%26nbsp%3B%3Ca%20href%3D%22tel%3A25930388%22%20style%3D%22color%3A%20rgb(255%2C%20192%2C%200)%3B%22%3E%3Cstrong%3ECall%202593%200388%3C%2Fstrong%3E%3C%2Fa%3E%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3Eor%20Chat%20with%20us%20now!%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%22%3E%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3C%2Fspan%3E%3Ca%20target%3D%22_self%22%20class%3D%22live_chat_daily%22%20style%3D%22text-wrap%3A%20wrap%3B%20text-decoration%3A%20underline%3B%20font-family%3A%20arial%2C%20helvetica%2C%20sans-serif%3B%20color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3EContact%20Us%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","zh":""},"id":"Page375ea481-5f97-4833-86ce-42c3842dc33f"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Pagec0411f05-77c5-4cd9-b86d-ae703825f74e","language":{"zh_hk":"%3Cp%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%E3%80%90%E5%B9%B4%E4%B8%AD%E9%96%8B%E5%80%89%E5%8B%81%E6%B8%9B%E3%80%91%3C%2Fstrong%3E%20%E9%9B%BB%E8%85%A6%E4%BD%8E%E8%87%B36%E6%8A%98!%20%E4%BD%BF%E7%94%A8%E5%84%AA%E6%83%A0%E7%A2%BC%20%26%2339%3BMIDYEARHK%26%2339%3B%20%E9%A1%8D%E5%A4%96%E6%9C%80%E5%A4%9A%E6%B8%9B%241%2C000%26nbsp%3B%20%26nbsp%3B%20%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Fspecial-offer%2F%3FipromoID%3Dhellobar_sitewide_promo%22%20target%3D%22_self%22%20textvalue%3D%22%E6%9C%83%E5%93%A1%E7%8E%87%E5%85%88%E6%90%B6%E8%B3%BC%22%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E6%9C%83%E5%93%A1%E7%8E%87%E5%85%88%E6%90%B6%E8%B3%BC%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","en":"","en_hk":"%3Cp%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3C%2Fspan%3E%3C%2Fp%3E%3Cp%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%E3%80%90Mid-Year%20Mega%20Sale%E3%80%91%3C%2Fstrong%3EPCs%20up%20to%2040%25%20off.%20Use%20coupon%20code%20%26%2339%3BMIDYEARHK%26%2339%3B%20to%20save%20up%20to%20extra%20%241%2C000%26nbsp%3B%20%26nbsp%3B%20%26nbsp%3B%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Fspecial-offer%2F%3FipromoID%3Dhellobar_sitewide_promo%22%20target%3D%22_self%22%20textvalue%3D%22Exclusively%20for%20Members%22%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3EExclusively%20for%20Members%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","zh":""},"id":"Pagec0411f05-77c5-4cd9-b86d-ae703825f74e"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Pagef0cac9bb-27f2-401d-ba45-29bf23daa525","language":{"zh_hk":"%3Cp%3EYoga%20Slim%207%20AI%20PC%20%7C%20%E9%80%8F%E9%81%8E%E6%90%AD%E8%BC%89Snapdragon%C2%AE%20X%20Elite%E8%99%95%E7%90%86%E5%99%A8%E7%9A%84%E5%85%A8%E6%96%B0Lenovo%20Yoga%20Slim%207x%E3%80%82%26nbsp%3B%20%26nbsp%3B%3Ca%20href%3D%22%2Fp%2Flaptops%2Fyoga%2Fai-pc-series%2Fyoga-slim-7x-gen-9-(14-inch-qualcomm)%2Flen101y0049%3FipromoID%3Dhellobar_05_AI_PC%22%20target%3D%22_self%22%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3E%E7%AB%8B%E5%8D%B3%E9%A0%90%E8%A8%82%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","en":"","en_hk":"%3Cp%3EYoga%20Slim%207%20AI%20PC%20%7C%20Level%20up%20your%20creativity%20with%20next-gen%20AI%20experiences%20on%20the%20new%20Lenovo%20Yoga%20Slim%207x.%26nbsp%3B%20%26nbsp%3B%3Ca%20href%3D%22%2Fp%2Flaptops%2Fyoga%2Fai-pc-series%2Fyoga-slim-7x-gen-9-(14-inch-snapdragon)%2Flen101y0049%3FipromoID%3Dhellobar_05_AI_PC%22%20target%3D%22_self%22%20textvalue%3D%22Pre-order%20Now%22%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%20text-decoration%3A%20underline%3B%22%3E%3Cspan%20style%3D%22color%3A%20rgb(0%2C%200%2C%200)%3B%22%3E%3Cstrong%3EPre-order%20Now%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fspan%3E%3C%2Fa%3E%3C%2Fp%3E","zh":""},"id":"Pagef0cac9bb-27f2-401d-ba45-29bf23daa525"},"gInfo":""}],"autoRun":true,"displayTerminal":"pc,tablet,mobile","isShowDivide":true}

什麼是字節序?

Endian 是指位元組在電腦記憶體中儲存的順序。它決定如何表示多位元組資料類型,例如整數和浮點數。有兩種類型的字節序:大字節序和小字節序。

什麼是大端?

大端序是一種位元組順序,其中最高有效位元組儲存在最低記憶體位址處。它通常被網路協定和體系結構使用。在大端字節序中,最低有效位元組排在最後。

什麼是小端?

Little endian 是一種位元組順序,其中最低有效位元組儲存在最低記憶體位址處。它被 x86 和 ARM 等架構廣泛使用。在 Little endian 中,最高有效位元組位於最後。

字節序如何影響網路通訊?

字節序在網路通訊中起著至關重要的作用。當資料透過網路傳輸時,需要將其轉換為標準化的位元組順序。網路協議,例如傳輸控制協議/網際網路協定 (TCP/IP),定義要使用的位元組順序。位元組序轉換可確保具有不同位元組序的不同系統之間的相容性。

文件格式中字節序的意義是什麼?

文件格式通常指定資料儲存的位元組順序。透過遵循特定的位元組順序,可以跨不同平台正確讀取和寫入檔案。在處理二進位檔案格式或需要在具有不同位元組順序的系統之間共用資料時,位元組順序變得尤為重要。

字節序會導致相容性問題嗎?

是的,字節順序可能會導致相容性問題。如果資料以一種位元組序格式寫入並以不同位元組序格式讀取,則可能會錯誤地解釋這些值。這可能會導致資料損壞或程式中的邏輯錯誤。為了確保相容性,必須採用適當的字節序轉換技術。

為什麼有不同的字節序格式?

不同字節序格式的存在是歷史發展和不同架構的結果。根據效率、硬體設計或與現有標準的兼容性等因素,不同的處理器和系統採用了不同的位元組順序。

位元組序會影響效能嗎?

字節序本身並不直接影響效能。然而,資料的位元組順序會影響某些操作的效率,尤其是在處理大量資料時。在某些情況下,為特定任務選擇適當的位元組順序可以優化效能。

軟體可以與位元組序無關嗎?

是的,軟體可以設計為與位元組序無關。這是透過使用字節順序轉換函數或透明處理轉換的庫來實現的。透過抽象位元組順序,軟體可以在不同位元組順序的系統上正確運行,而無需手動修改。

網路協定中字節序頭欄位的作用是什麼?

許多網路協定都包含字節序標頭欄位來指示用於傳輸資料的位元組順序。這確保了接收系統可以正確解釋數據,即使它具有不同的字節序格式。 endian 欄位允許具有不同 endianness 的系統之間進行無縫通訊。

位元組序是否會影響不同處理器架構上的效能?

位元組順序對效能的影響取決於具體任務和所涉及的架構。在某些情況下,某些操作在一種位元組序格式上可能比另一種格式更有效。然而,字節序格式之間的整體效能差異通常可以忽略不計,或被其他因素所抵消。

大尾數有什麼優點?

大尾數法在網路相容性方面具有優勢,因為它常用於網路協定中。它可以簡化遵循大端位元組順序的系統之間的資料傳輸。此外,某些數學運算在大端架構上可能稍微更有效。

使用小端有什麼好處嗎?

是的,little endian 是現代架構(包括 x86 和 ARM)的主要位元組順序。它的流行是由於它與常見的網路協定和檔案格式的兼容性,使資料交換更加無縫。

是否可以將資料從大端轉換為小端?

是的,可以將資料從一種字節序格式轉換為另一種字節序格式。許多程式語言提供了促進字節序轉換的函數或函式庫,使您能夠無縫處理不同格式的資料。

網路位元組順序和主機位元組順序有什麼差別?

網路位元組順序是指用於透過網路傳輸資料的標準化位元組順序,通常是大端位元組順序。另一方面,主機位元組順序是指您目前正在使用的系統的位元組順序,可以是大尾數法或小尾數法。

如何以程式設計方式決定係統的位元組序格式?

您可以使用特定於程式語言的函數(例如 Python 中的 sys.byteorder 或 C 中的 htons 函數)來確定係統的位元組序格式。這些函數提供有關正在運行程式碼的系統的位元組順序的資訊。

哪種字節順序在文件格式中更普遍?

在各種檔案格式中都會遇到大端位元組順序和小端位元組順序。每種檔案格式的規格定義了首選位元組順序,以便在跨不同系統讀取或寫入檔案時能夠準確解釋資料。

為什麼跨平台開發需要字節序轉換?

位元組順序轉換對於跨平台開發至關重要,因為不同的系統可能具有不同的位元組順序。透過執行正確的字節序轉換,您可以確保正確解釋數據,而不管系統固有的位元組順序如何,從而增強可移植性和相容性。

位元組序在平行計算中的作用是什麼?

在平行運算中,多個處理器或系統一起工作,位元組序在資料共享和通訊中發揮作用。確保不同節點或處理器之間的位元組順序一致對於平行運算環境中準確的資料解釋和同步至關重要。

了解位元組順序如何有利於網路安全?

了解位元組順序可以透過在具有不同位元組順序的系統之間實現安全資料傳輸來增強網路安全性。正確的位元組順序轉換可確保準確解釋數據,從而降低因錯誤數據處理而產生漏洞或漏洞的風險。

我可以將資料從大端轉換為小端嗎?

當然,您可以使用可用的程式語言函數或函式庫輕鬆地將資料從一種字節序格式轉換為另一種字節序格式。這些工具有助於無縫轉換,讓您輕鬆處理不同格式的資料。

open in new tab
© 2024 Lenovo. 保留所有權利。
© {year} Lenovo. All rights reserved.
比較  ()
x