ITIS204 : Midterm Revision Exam

[CH1] Of the six parts of an information system, people are regarded as the most important, since without them the other parts have no purpose.

[CH1] Procedures are the step-by-step instructions that tell the computer how to convert data into information.

[CH1] Utilities are system software programs that help analyze, configure, optimize, or maintain a computer; an antivirus program is a well-known example.

[CH1] Standalone operating systems are located on a central computer called a server and are used to coordinate network resources and security.

[CH7] A knowledge worker is a business analytics specialist who uses visual tools, such as infographics, to help people understand complex data.

[CH1] The contents of memory (RAM) are lost when the power is turned off.

[CH1] Cloud computing uses the Internet and the web to shift many computer activities from the user's computer to other computers on the Internet.

[CH6] In IaaS, dynamic scaling means that the MIS infrastructure can be automatically scaled up or down based on needed requirements.

[CH6] A private cloud is a multi-tenancy, off-premise environment shared by several organizations.

[CH6] The utility computing model offers a pay-per-use model similar to a metered service such as electricity and gas.

[CH6] Disaster Recovery as a Service (DRaaS) is described as one of the common uses of SaaS.

[CH6] PaaS can be more expensive than IaaS, because with IaaS a business can build its infrastructure and integrate the tools it requires without incurring additional fees.

[CH7] Veracity, as one of the 4 Vs of Big Data, refers to the scale of data.

[CH7] Satellite images and radar data are examples of machine-generated unstructured data.

[CH7] Data science refers to the technology and processes used to gain intelligent, usable information from databases.

[CH1] An office manager writes a printed guide that tells new employees which steps to follow when backing up their files. Which part of an information system does this guide represent?

[CH1] Which kind of system software allows input and output devices, such as a printer, to communicate with the rest of the computer system?

[CH1] At an architecture firm, designers use a graphics program to draw building plans, while the accounting staff use spreadsheets. How is the graphics program best classified?

[CH1] A large bank needs a computer to process huge volumes of customer transactions every day. According to the notes, which type of computer is typically used for this?

[CH1] A company designs a new tablet whose operating system is stored within the device itself rather than on a hard disk. Which type of operating system is this?

[CH1] Which component, contained on a single chip inside the system unit, is described as the "brains" of the computer?

[CH1] A salesperson needs storage for a new laptop that has no moving parts, uses less power, and is faster and more reliable than a traditional hard disk. Which option fits best?

[CH1] A homeowner installs a smart door lock that sends an alert to her phone over the Internet whenever the door is opened. This is an example of which technology force?

[CH6] A start-up rents servers, storage, and networking from a cloud vendor on a pay-per-use basis, but installs its own operating system and custom applications on them. Which delivery model is it using?

[CH6] A sales team subscribes to Salesforce.com to track sales leads and prospects, paying per use without installing or maintaining any software themselves. Which delivery model is this?

[CH6] A software company wants to build and run its own web applications, while the provider supplies the servers, storage, operating systems, development tools, and middleware. Which delivery model fits?

[CH6] Several hospitals in one region set up a cloud environment that is shared only by their specific group of organizations. Which cloud environment is this?

[CH6] A bank keeps its sensitive payroll system on its own private cloud but runs its public website on a public cloud. Which cloud environment describes this setup?

[CH6] Which of the following is listed in the notes as a disaster recovery metric used to measure the impact of a disaster on a business?

[CH6] A clinic in Manama chooses a SaaS system mainly because the provider, which has a strong financial incentive, keeps the software updated with the latest regulations. Which SaaS advantage is this?

[CH6] Which of the following is a challenge of Platform as a Service (PaaS) rather than an advantage?

[CH6] After moving to IaaS, a company finds that its old legacy systems do not integrate well and must be updated, which is costly and time-consuming. Which IaaS challenge is this?

[CH6] Anti-virus software delivered over the Internet with constant virus definition updates that do not rely on the consumer is an example of:

[CH6] An online store increases its cloud storage before the Eid shopping season and reduces it again afterwards. Which benefit of cloud computing does this show?

[CH6] A Bahraini company uses a cloud platform to run virtual interviews and online assessments so that it can hire candidates from other countries. Which example of cloud computing and inclusion is this?

[CH7] Which of the 4 Vs of Big Data refers to the analysis of streaming data as it travels around the Internet?

[CH7] A customer types her name and address into an online registration form that has fields with a defined length, type, and format. What kind of data is this?

[CH7] Using the notes' rule that each keystroke takes one byte and that 8 bits make one byte, how many bits are needed to store a text message of 250 characters?

[CH7] A retailer's manager says: "Given the expected storms and the interest rate hike, we will offer a discount in November and December to raise sales by 10 percent." In the transformation from data to knowledge, this statement is an example of:

[CH7] Managers want one screen that gives an overview of the data, tracks critical success factors and key performance indicators, and has interactive controls for manipulating data. Which BI feature meets this need?

[CH1] List and explain the six parts of an information system.

[CH1] Compare system software and application software, then list the three kinds of system software programs and explain the role of each.

[CH1] Describe the four types of computers from the most powerful to the least powerful, giving the typical use of each.

[CH6] Define cloud computing and explain, step by step, how cloud storage works.

[CH6] Compare the three cloud computing delivery models (IaaS, SaaS, and PaaS). For each, state what it offers and give an example, and for IaaS and PaaS state what the vendor provides and what the customer manages.

[CH6] List and discuss the four primary cloud computing environments.

[CH6] List and explain five benefits of cloud computing.

[CH7] Define Big Data and explain its 4 Vs.

[CH1] Identify the type of operating system used on the company's office computers and the type used on its in-house server, and explain the difference between them.

[CH6] Which cloud computing delivery model matches Yousif's first option? Justify your answer and state what the vendor would provide and what Gulf Link would still manage.

[CH6] Name the cloud service described in Yousif's second option, and use the case details to identify the disaster recovery metrics he could use to measure the loss caused by last year's flood.

[CH7] Classify the POS sales records and the customers' Instagram reviews and WhatsApp messages as structured or unstructured data, and as machine-generated or human-generated. Justify each classification.

[CH7] Using the transformation from data to knowledge, identify which level each of Fatima's four stages represents and explain why.

[CH6] Explain how cloud storage works for Desert Bloom using the case details, and identify the cloud computing benefit shown by the chain changing its storage between summer and winter.