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This fully revised text for the European Computer Driving Licence has been updated. It takes students step-by-step through the seven modules of the award, setting tasks and exercises on the way.
Covers the information students need to pass the Advanced ECDL AM4 Spreadsheets qualification using Microsoft Office 2003.
This major textbook covers all the modules for ECDL Version 4. Written in a straightforward, easy-to-follow style and including sample test questions, this title should be a useful resource for all students studying for the ECDL (European Computer Driving Licence) qualification.
The passport to successful ECDL certification Pass ECDL in 30 Steps, Office XP edition is designed to help learners pace their learning and allows flexibility in how they achieve their qualification. It is packed with interesting and engaging activities. The modules are covered in 30 digestible steps which take about half an hour each. Learners can do as many or as few steps at a time as they like. At the end of the book, learners will be confident and competent computer and office applications users and gain a qualification which employers recognize. No previous knowledge is required. The book has many features to make understanding and passing the ECDL easy. Learners can read through cover-to-cover, or select and focus on specific modules or applications.
This comprehensive manual covers all aspects required by Module 1 ECDL/ICDL Syllabus 4.0. Designed to gradually build up your knowledge taking a step by step, exercise based approach. The ideal training solution, whether you are a beginner, or if you just need to fill gaps in your existing knowledge. Module 1 gives an insight into hardware and software as well as giving examples of how computers are used every day.Approved by the ECDL Foundation.
Test your knowledge and know what to expect on A+ exam day CompTIA A+ Complete Practice Tests, Second Edition enables you to hone your test-taking skills, focus on challenging areas, and be thoroughly prepared to ace the exam and earn your A+ certification. This essential component of your overall study plan presents nine unique practice tests—and two 90-question bonus tests—covering 100% of the objective domains for both the 220-1001 and 220-1002 exams. Comprehensive coverage of every essential exam topic ensures that you will know what to expect on exam day and maximize your chances for success. Over 1200 practice questions on topics including hardware, networking, mobile devices, operating systems and procedures, troubleshooting, and more, lets you assess your performance and gain the confidence you need to pass the exam with flying colors. This second edition has been fully updated to reflect the latest best practices and updated exam objectives you will see on the big day. A+ certification is a crucial step in your IT career. Many businesses require this accreditation when hiring computer technicians or validating the skills of current employees. This collection of practice tests allows you to: Access the test bank in the Sybex interactive learning environment Understand the subject matter through clear and accurate answers and explanations of exam objectives Evaluate your exam knowledge and concentrate on problem areas Integrate practice tests with other Sybex review and study guides, including the CompTIA A+ Complete Study Guide and the CompTIA A+ Complete Deluxe Study Guide Practice tests are an effective way to increase comprehension, strengthen retention, and measure overall knowledge. The CompTIA A+ Complete Practice Tests, Second Edition is an indispensable part of any study plan for A+ certification.
This comprehensive coursebook covers all aspects of the ECDL Advanced Presentation module using the most popular business software - Microsoft PowerPoint 2000. It provides everything a student needs to pass the ECDL Advanced Presentation certification test. Written by experienced trainers Paul Holden and Sadhbh O'Dwyer, the book offers guidance on the ECDL Advanced Presentation module.
New edition of this bestselling, ICS-approved textbook covering all seven modules of the ECDL 5 syllabus. Uses a combination of Microsoft Office 2010 suite of applications with Internet Explorer 8 and Windows Live Mail on the Microsoft Windows 7 operating system platform. Book and work files are also suitable for users of Microsoft Office 2007 suite of applications. Taking a comprehensive yet practical approach, images and screen grabs are used to explain concepts in a step-by-step manner. Clearly defined goals, support exercises and retention exercises are provided throughout the text. WRITTEN FOR: Students taking ECDL 5 modules
A huge number of applications require coherent radiation in the visible spectral range. Since diode lasers are very compact and efficient light sources, there exists a great interest to cover these applications with diode laser emission. Despite modern band gap engineering not all wavelengths can be accessed with diode laser radiation. Especially in the visible spectral range between 480 nm and 630 nm no emission from diode lasers is available, yet. Nonlinear frequency conversion of near-infrared radiation is a common way to generate coherent emission in the visible spectral range. However, radiation with extraordinary spatial temporal and spectral quality is required to pump frequency conversion. Broad area (BA) diode lasers are reliable high power light sources in the near-infrared spectral range. They belong to the most efficient coherent light sources with electro-optical efficiencies of more than 70%. Standard BA lasers are not suitable as pump lasers for frequency conversion because of their poor beam quality and spectral properties. For this purpose, tapered lasers and diode lasers with Bragg gratings are utilized. However, these new diode laser structures demand for additional manufacturing and assembling steps that makes their processing challenging and expensive. An alternative to BA diode lasers is the stripe-array architecture. The emitting area of a stripe-array diode laser is comparable to a BA device and the manufacturing of these arrays requires only one additional process step. Such a stripe-array consists of several narrow striped emitters realized with close proximity. Due to the overlap of the fields of neighboring emitters or the presence of leaky waves, a strong coupling between the emitters exists. As a consequence, the emission of such an array is characterized by a so called supermode. However, for the free running stripe-array mode competition between several supermodes occurs because of the lack of wavelength stabilization. This leads to power fluctuations, spectral instabilities and poor beam quality. Thus, it was necessary to study the emission properties of those stripe-arrays to find new concepts to realize an external synchronization of the emitters. The aim was to achieve stable longitudinal and transversal single mode operation with high output powers giving a brightness sufficient for efficient nonlinear frequency conversion. For this purpose a comprehensive analysis of the stripe-array devices was done here. The physical effects that are the origin of the emission characteristics were investigated theoretically and experimentally. In this context numerical models could be verified and extended. A good agreement between simulation and experiment was observed. One way to stabilize a specific supermode of an array is to operate it in an external cavity. Based on mathematical simulations and experimental work, it was possible to design novel external cavities to select a specific supermode and stabilize all emitters of the array at the same wavelength. This resulted in stable emission with 1 W output power, a narrow bandwidth in the range of 2 MHz and a very good beam quality with M²<1.5. This is a new level of brightness and brilliance compared to other BA and stripe-array diode laser systems. The emission from this external cavity diode laser (ECDL) satisfied the requirements for nonlinear frequency conversion. Furthermore, a huge improvement to existing concepts was made. In the next step newly available periodically poled crystals were used for second harmonic generation (SHG) in single pass setups. With the stripe-array ECDL as pump source, more than 140 mW of coherent radiation at 488 nm could be generated with a very high opto-optical conversion efficiency. The generated blue light had very good transversal and longitudinal properties and could be used to generate biphotons by parametric down-conversion. This was feasible because of the improvement made with the infrared stripe-array diode lasers due to the development of new physical concepts.