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Title | Ivan’s |
Description | Lab 1 - boot loader Part 2: The Boot Loader Q/A Section: Q: At exactly what point does the processor transition from executing 16-bit code to |
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WebSite | os-tres.net |
Host IP | 91.234.46.201 |
Location | Croatia |
Site | Rank |
US$1,737
Last updated: 2023-05-19 02:20:51
os-tres.net has Semrush global rank of 0. os-tres.net has an estimated worth of US$ 1,737, based on its estimated Ads revenue. os-tres.net receives approximately 200 unique visitors each day. Its web server is located in Croatia, with IP address 91.234.46.201. According to SiteAdvisor, os-tres.net is safe to visit. |
Purchase/Sale Value | US$1,737 |
Daily Ads Revenue | US$1 |
Monthly Ads Revenue | US$48 |
Yearly Ads Revenue | US$577 |
Daily Unique Visitors | 13 |
Note: All traffic and earnings values are estimates. |
Host | Type | TTL | Data |
os-tres.net. | A | 100 | IP: 91.234.46.201 |
os-tres.net. | NS | 21600 | NS Record: ns2.infoitdns.com. |
os-tres.net. | NS | 21600 | NS Record: ns1.infoitdns.com. |
os-tres.net. | MX | 300 | MX Record: 0 mail.os-tres.net. |
os-tres.net. | TXT | 14400 | TXT Record: v=spf1 ip4:91.234.46.201 include:infonet.hr a mx include:spf.infonet.hr ~all |
Ivan’s blog System and network musings RSS Blog Archives The CS372H - Operating Systems Class - Lab 1 Nov 5 th , 2012 Lab 1 - boot loader Part 2: The Boot Loader Q/A Section: Q: At exactly what point does the processor transition from executing 16-bit code to executing 32-bit code? A: Processor transitions from executing 16-bit code to executing 32-bit code on execution of following instruction: 1 mov cr0 , eax Q: What is the last instruction of the boot loader executed, and what is the first instruction of the kernel it just loaded? A: Last instruction of boot loader executed is call of routine in .text section of kernel: 1 call *% eax Q: How does the boot loader decide how many sectors it must read in order to fetch the entire kernel from disk? Where does it find this information? A: Boot loader decides how many sectors to read using information stored in ELF header. The ELF file format is shown in following image: At the start of main.c, first sector (512 bytes) is loaded from |
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Domain Name: OS-TRES.NET Registry Domain ID: 1582179079_DOMAIN_NET-VRSN Registrar WHOIS Server: whois.instra.net Registrar URL: http://www.instra.com Updated Date: 2022-01-05T08:16:20Z Creation Date: 2010-01-17T20:11:42Z Registry Expiry Date: 2023-01-17T20:11:42Z Registrar: Instra Corporation Pty Ltd. Registrar IANA ID: 1376 Registrar Abuse Contact Email: abuse@instra.com Registrar Abuse Contact Phone: +61.397831800 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Name Server: NS1.INFOITDNS.COM Name Server: NS2.INFOITDNS.COM DNSSEC: unsigned >>> Last update of whois database: 2022-08-17T09:19:58Z <<< |