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introduction to basic engineering drawing

Tài liệu The Art Of Animal Drawing - Introduction To Basic Drawing docx

Tài liệu The Art Of Animal Drawing - Introduction To Basic Drawing docx

Điêu khắc - Hội họa

... see in front of you (or in a photo). Two great exercises for training your eye to see are contour drawing and gesture drawing. PENCILING THE CONTOURS In contour drawing, pick a starting point ... are with your tools, the better your drawings will be! ADDING ON Unless you already have a drawing table, you will probably want to purchase a drawing board. It doesn't have to be expensive; ... CHAPTER 1 INTRODUCTION TO BASIC DRAWING Although the age-old art of pencil drawing is the basic foundation of all the visual arts, its elemental beauty allows it to stand on its own. And...
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An Introduction to Software Engineering

An Introduction to Software Engineering

Kỹ thuật lập trình

... Software Engineering, 7th edition. Chapter 1 Slide 2Objectives To introduce software engineering and to explainits importance To set out the answers to key questions aboutsoftware engineering  ... thecustomer wantsã Evolution - changing the software in response to changing demands. ©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 1An Introduction to Software Engineering âIan ... Software Engineering)  Software systems that are intended to provide automatedsupport for software process activities. CASE systems are often used for method support. Upper-CASEã Tools to support...
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Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering pptx

Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering pptx

Cao đẳng - Đại học

... SE, 2001 SE-I.381.5.2 Hiu sut x lý caoãHiu sut thi gian tốt (efficiency): –Độ phức tạp tính to n thấp (Time complexity)–Thời gian quay vòng ngắn (Turn Around Time: TAT)–Thời gian hồi ... Falt. of IT  Dept. of SE, 2001 SE-I.422.1 Khng hong phn mm l gỡ?ã10/1968 ti Hi nghị của NATO các chuyên gia phần mềm đã đưa ra thuật ngữ “Khủng hoảng phần mềm” (Software crisis). Qua hàng ... theo thời gian (theo ni s dng)ãHiu ng ln súng trong thay i phn mmãPhn mm vn cha ý tng v sỏng to ca tỏc gi/nhúm lm ra núãCn kh nng t duy nh phõn trong xõy dng, phỏt trin phn mmãCú th sao...
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Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering - Phần II docx

Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering - Phần II docx

Tin học văn phòng

... các yêu cầu phần mềm và thương lượng với khách hàngSoftwareSoftware Engineering EngineeringGroupGroupCustomerCustomerGroupGroup HUT, Falt. of IT  Dept. of SE, 2002 SE-III.27Finite ... (reference) đến các mẫu khác CarFordBlueIDAutomobile CompanyFordTập các thuộc tính của 1 đối tượng dữ liệu được xác định thông qua ngữ cảnh của bài to n HUT, Falt. of IT  Dept. of SE, ... tiết cài đặt (begin by focusing on the essence of the problem without regard to implementation details)New Tool: Unified Modeling Language (UML)! HUT, Falt. of IT  Dept. of SE, 2002...
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Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering - Phần IV pdf

Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering - Phần IV pdf

Tin học văn phòng

... IT  Dept. of SE, 2001 SE-V.1Nhập môn Công nghệ học Phần mềm Introduction to Software Engineering Department of Software Engineering Faculty of Information TechnologyHanoi University of ... trng (white box test): HOW ?ãKim th Top-Down hay Bottom-Up HUT, Falt. of IT  Dept. of SE, 2001 SE-V.34Bo trỡ ci tin (tip)ãCũn gi l tỏi k ngh (re -engineering) ãMc ớch: a ra mt thit ... SE-V.209.4 K thut kim th mụunãKim th tớch hp môđun–Kiểm thử dưới lên (Bottom-up Test)–Kiểm thử trên xuống (Top-down Test)–Kiểm thử cột trụ (Big bung Test)–Kiểm thử kẹp (Sandwich Test)...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P1 docx

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P1 docx

Phần cứng

... Semiconductor Devices 1. Semiconductor Devices 1.1 Semiconductors 1.1.1 Current in Conductors and Insulators To understand how electronic devices operate, one has first to learn about the atomic ... www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering 6 DesignationsDesignationsС capacitor D diode, thyristor L inductor, choke ... Vodovozov Introduction to Electronic Engineering Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering ...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P2 pptx

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P2 pptx

Phần cứng

... conduction by transfer from atom to atom of electrons into available holes. A semiconductor in which the conduction is due to holes referred to as a p-type semiconductor. Here, p stands for positive ... www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering 35 Semiconductor Devices Another optoelectronic device is an optocoupler also ... collector and the base form the other diode. From now on, we refer to these diodes as the emitter diode (the top one) and the collector diode (the bottom one). Accordingly, a bipolar transistor...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P3 pdf

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P3 pdf

Phần cứng

... a cutoff region of the transistor where resistance is high, and the small collector current is called a collector cutoff current. As usual, a designer never allows voltage to get close to the ... Split-Merge on www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering 45 Semiconductor Devices Darlington transistors. Since the current ... free books at BookBooN.com Introduction to Electronic Engineering 52 Semiconductor Devices In its most basic form, the MOSFET looks like a voltage-controlled resistor, the resistance of which...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P4 docx

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P4 docx

Phần cứng

... biasing resistors, the collector resistor, the emitter resistor, and the transistor. The key to building the more efficient amplifiers is to reduce the unwanted power losses. One way to reduce ... www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering 64 Semiconductor Devices Triac. A triac (bi-directional thyristor, simistor, tetrode ... Resistors. Resistors come in a variety of sizes, related to the power they can safely dissipate. Color-coded stripes on a real-world resistor specify its resistance R and tolerance. Larger resistors...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P5 doc

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P5 doc

Phần cứng

... www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering 97 Electronic Circuits different types: hydro, wind, and heat generators, atomic ... and distortion. The resistor R1 is another attempt to stabilize the Q point using a negative collector feedback. When the current gain increases, the collector current reduces the collector ... potential of the left transistor is supported slightly negative regarding to the ground. Thus, the left transistor is opened. The right transistor shifts the output voltage to the zero and amplifies...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P6 doc

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P6 doc

Phần cứng

... way to open the latch is to reduce the load current to zero. Another way is to apply a reverse bias trigger to the bottom base instead of a positive one. This will rapidly drive both transistors ... BookBooN.com Introduction to Electronic Engineering 111 Electronic Circuits Differentiators. Fig. 2.39,a illustrates the op amp differentiator or D-regulator. A differentiator is a circuit ... current drops to zero, Q point sets to the cutoff. Because of this, the collector current drops to zero. With no current, all the collector supply voltage will appear across the collector-emitter...
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Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P7 doc

Tài liệu INTRODUCTION TO ELECTRONIC ENGINEERING- P7 doc

Phần cứng

... resistor of its collector. This change is transferred through the corresponding capacitor to the base of the other transistor so that the current grows increasingly up to the first transistor ... Download free books at BookBooN.com Introduction to Electronic Engineering 122 Electronic Circuits Astable multivibrators. A multivibrator is a rectangle pulse generator with the positive feedback. ... of resistors RB and on the capacitors. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Download free books at BookBooN.com Introduction to Electronic Engineering ...
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