BBA Information Systems — practice questions
44 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice BBA Information Systems in the app →A firm's sales records sit in neat rows and columns and are easy to search. Data like that is called:Emails, videos and social posts have no predefined shape and need advanced techniques to analyse. Those are:A company collects, stores and processes its data with one main software tool. That tool is a:An analyst needs the standard language for querying and managing a relational database. She writes:A team picks a database that abandons the traditional table structure altogether. That kind of database is:Every row in a customer table needs one field that identifies it uniquely. That field is the:An order table points at the customer table, and the reference must match a real customer. The pointing field A designer organises the data so each fact is stored only once and duplication disappears. That technique is:In a large cloud system an analyst deliberately adds redundant data so queries run faster. That step is:Before building, a designer writes down the tables, their columns and the data types. That definition is the:A designer draws entities, their attributes and the relationships between them on one picture. That picture isOn such a diagram, students and classes are entities. A student's name and date of birth are:Queries on a large table run slowly, so the team builds a structure that speeds retrieval. That structure is aA firm pulls data from several source systems and stores it together for reporting. That combined store is a:Another store keeps huge volumes of raw data in their original format until somebody needs them. That store isTransactions protect consistency and integrity through four properties: atomicity, consistency, isolation and:A record still points at another record that has been deleted. That dangling record is called:A manager asks what data integrity actually means. It refers to the accuracy and:Sensitive records must be protected both while stored and while moving across the network. The measure used isRoutine database work includes performance tuning, security enforcement and, above all, regular:A cloud provider copies data to several geographic locations so a hardware failure cannot lose it. That practiIn a table of employees, entering the employee ID gives you the name and address. That relationship is a:A manager weighs a decision by asking which outcome produces the most good overall. That approach is:A second approach judges the action itself rather than what follows from it. That approach is:A third approach asks what a person of good character would do. That approach is:Among business professionals, the most popular of those three viewpoints is reported to be:Future information system professionals are told to learn three models. They are Sustainable, Lean and:Under that environmental model, systems must be friendly in design, usage, disposal and even:The aim of such practices is to cut energy use, handle disposal ethically and reduce:Devices become obsolete quickly with rapid technological change, creating substantial:Three things are named as imperative for environmentally sound systems: renewable energy, proper e-waste dispoEthical issues in this area emerge in three places: consumption, policy regulation and:Governments and international bodies matter here because they create the:Tax breaks for greener materials and credits for cutting carbon emissions are examples of:A Nordic operator switched its data centres from fossil fuel to hydrotreated vegetable oil. That country is:A furniture retailer committed to using only recycled and renewable materials in its products. That firm is:Data breaches, surveillance and weak consent processes all violate one thing above all. That is user:Three defences are named for protecting it: access controls, data minimisation and:A hospital wants to share health data for research without exposing individuals. The technique to use is:A team worries its model has learned unfair patterns from training examples. One remedy named is adversarial:To catch bias and inaccuracy after deployment, organisations run regular algorithm:AI and social media are said to raise fresh questions about copyright, fair use, trademarks and:Advances in robotics and AI raise a worry about human work. The concern is that jobs are lost to:How users perceive accessibility, usability and satisfaction when working with a system is its: