Semantic Analysis Chapter 4 Role of Semantic Analysis § Syntax § “form” of a program § “easy”: check membership for CFG § linear time § Semantics § meaning of a program § impossible: program correctness undecidable! § we do whatever we can 2 Role of Semantic Analysis §Static semantics – compile time § enforces static […]
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Types Chapters 7, 8 Data Types § Use of types: § Provide implicit context for operations § C: a + b – integer/floating point addition § Pascal: new p – allocate right size § C: new my_type()- right size, call right constructor § Type checking § Type equivalence: when two types are the same §
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Introduction Chapter 1 Programming languages – ubiquitous 2 Computer evolution §ENIAC § 18,000 sq feet § 25 tones = 25,000 Kg § 5,000 instr/s §iPhone 6 § 4.55 ounces = 0.13 Kg § 25,000,000,000 instr/s § 20,000 x smaller, 5,000,000 x faster = 100,000,000,000 x more efficient 3 Introduction Why are there so many languages?
Computer System Assignment 1 The Trivial File Transfer Protocol (TFTP) is an Internet software utility for transferring files that is simpler to use than the File Transfer Protocol (FTP) but less capable. It is used where user authentication and directory visibility are not required. For example, it is used by Cisco routers and switches to
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Control Flow Chapter 6 Control Flow § Basic paradigms for control flow: § Sequencing § Selection § Iteration § Procedural Abstraction § Recursion § Concurrency § Exception Handling § Nondeterminacy 2 Control Flow § Sequencing: § major role in imperative languages § minor role in functional languages § Recursion § major role in functional languages
UNIVERSITY OF EDINBURGH COLLEGE OF SCIENCE AND ENGINEERING SCHOOL OF INFORMATICS INFR10057 SOFTWARE TESTING April 2020 13:00 to 15:00 INSTRUCTIONS TO CANDIDATES Answer QUESTION 1 and ONE other question. QUESTION 1 is COMPULSORY. All questions carry equal weight. This is an OPEN BOOK examination. Year 3 Courses Convener: S.Ramamoorthy External Examiners: S.Rogers, S.Kalvala, H.Vandierendonck THIS
Computer System Assignment 1 The Trivial File Transfer Protocol (TFTP) is an Internet software utility for transferring files that is simpler to use than the File Transfer Protocol (FTP) but less capable. It is used where user authentication and directory visibility are not required. For example, it is used by Cisco routers and switches to
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CSCA48 – Unit 6 – Designing and Building Good Software Winter 2021 Learning Outcomes Unlike the previous units, the goal of this unit is not to get you to understand how to do things, but rather to give you a preview of some of the advanced concepts that you will encounter in courses beyond this
Computer System Assignment 1 The Trivial File Transfer Protocol (TFTP) is an Internet software utility for transferring files that is simpler to use than the File Transfer Protocol (FTP) but less capable. It is used where user authentication and directory visibility are not required. For example, it is used by Cisco routers and switches to
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CSCA48 – Unit 4 – Solving Problems Efficiently Winter 2021 Learning Outcomes This unit will introduce you to the idea of analyzing the efficiency of algorithms and data structures. By the end of this unit, you will be able to: 1 • • • • Analyze simple algorithm run times by their best, worst and