시스템 프로그래밍

What is a computer? 위키피디아에 따르면 컴퓨터란 컴퓨터 프로그래밍을 통해 산술 또는 논리 연산의 순서를 자동으로 수행하도록 지시받을 수 있는 기계라고 한다. > a programmable machine that receives input, store

System SW and Its Machine Dependency

Translating and Starting a Program • In the first days of computers, programmers wrote in machine code (because there was not anything else) – Machin

• Assemblers depend on instruction format and addressing mode.• Figure 2.6 shows the example program from Fig. 2.1 with object codeas it might be rewr

There are some common assembler features that are not closelyrelated to machine architecture– The presence or absence of such features is much more cl

Control Section Program Linking Fig. 2.15 & 16 Fig. 2.16 How to handle External References? New Record Types Record Types Fig. 2.17 Control Se

Translating and Starting a Program A translation hierarchy for high-level language program like C First compiled into an assembly language program

There is no best/absolute answer for design and implementation of OS– But some approaches have proven successful• Internal structure of different ope

Reminder: A View of OS Services I/O (Input/Output) • The main job of a computer is I/O – Its another (major) job, Computing or Processing, is merely

• The operating system is responsible for the following activities inconnection with process management:– Creating and deleting both user and system p

• Processes within a system may be independent or cooperating– Independent process cannot affect or be affected by the execution ofanother process– Co