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ISQS 2340 premise - Answer- information technology helps enable business - a proposition upon which an argument is based or from which a conclusion is drawn Business Value w IT: IT Projects and Initiatives - Answer- around 70% failure rate in IT projects - over time, over budget, over scope does not meet user needs - gotten better over time, but still an issue Business Value w IT: IT Projects and Initiatives Change - Answer- change is difficult - "when IT projects fail, it is ...

ISQS 2340 EXAM 2 What does the term "ethics" mean? - Answer- -a set of moral principles -the principles of conduct governing an individual or group What does ethics have to do with information systems and information technologies? - Answer- as technology advances, so too do the ethical dilemmas surrounding it What kinds of ethical dilemmas are faced in IT? - Answer- -**P**rivacy -**A**ccuracy -**P**roperty -**A**ccess Where can our ethical principles be drawn from? - Answer...

ISQS 2340 EXAM 1 Why is ISQS important? - Answer- -Important contributor to operational efficiency, employee productivity, customer service and customer satisfaction. -supports effective decision making by managers -vital ingredient in developing competitive products -dynamic, rewarding, and challenging career opportunity -key component of the resources and infrastructure in today's business enterprises -major functional area important to business success Data - Answer- raw ...

ISQS 2340 TTU Exam 1 - Benjamin Mitchell What are the three key areas in which IT departments need to be aligned with business needs? - Answer- 1. Ensuring security and compliance - Companies can't function without secure and dependable access to data. 2. Increasing efficiency and productivity - Makes business more efficient by optimizing systems. Streamlining workflows, and making jobs easier. 3. Gaining competitive advantage - IT must collaborate with business to leverage emerging tech...

LINEAR ALGEBRA FINAL EXAM We have a system of linear equations with 15 variables and 15 equations. What are the possible number of solutions? - Answer-0 or 1 or infinity Let A ∈ R^(5 x 4). If Ax = 0 has the unique solution x = 0, then Ax = b has at most one solution for any b ∈ R^5. - Answer-true Let A ∈ R^(n x m) and x1, ..., xk ∈ R^m. If Ax1, ..., Axk ∈ R^n are linearly independent, then x1, ..., xk are also linearly independent. - Answer-true The column vectors of an 8 x...

Linear Algebra Final Exam algebraic multiplicity - Answer-the multiplicity of an eignevalue as a root of the characteristic equation basic varriable - Answer-a variable in a linear system that corresponds to a pivot column in the coefficient matrix basis - Answer-an indexed set B = {v1,...,vP} in V such that (i) B is a linearly independent set and (ii) the subspace spanned by B coincides with H, that is, H = Span{v1,...,vP} (maximal linearly independent set) best approximation - An...

Linear Algebra Definitions linear transformation - Answer-(from a vector space V into a vector space W): A rule T that assigns to each vector x in V a unique vector T(x) in W such that (i) T (u+v) = T(u) + T(v) (ii) T(cu) = cT(u) for all u in V and all scalars c standard matrix - Answer-for a linear transformation T: R^n -> R^m, there exists a unique matrix A such that T(x) = Ax for all x in R^n. This is called the standard matrix. A = [T(e1) ... T (en)] one-to-one - Answer-A ...

LINEAR ALGEBRA linear equation - Answer-An equation that can be written as a1x1 + a2x2 + ... = b; a1, a2, etc. are real or complex numbers known in advance consistent system - Answer-Has one or infinitely many solutions inconsistent system - Answer-Has no solution leading entry - Answer-Leftmost non-zero entry in a non-zero row Echelon form - Answer-1. All nonzero rows are above any all zero rows; 2. Each leading entry is in a column to the right of the previous leading entry; 3. ...

ABPD Every patient with persistent asthma should use what kind of medication? - Answer-Daily controller medications Ideally: Inhaled corticosteroid (eg beclomethasone) What kind of medication is Albuterol? - Answer-Short acting beta agonist Beta2 agonist medications are associated with what (oral complications) - Answer-Decrease in salivary flow Decrease in plaque pH Muscle relaxation with subsequent gastroesophageal reflux and acid reflux What pain medication should you not use i...

ORAL BOARDS ABPD 2020 (DC) Dental Caries - Answer-Is a disease caused by an ecological shift in the composition and activity of the bacterial biofilm when exposed over time to fermentable carbohydrates, leading to a break in the balance between demineralization and remineralization. *Prior to diagnosing Caries rate; have to apply CAT: Biological/Protective/Clinical Findings Anticipatory Guidance - Answer-• OH, Fluoride, diet, habits • Injury prevention • Dental and oral developm...