Online Access Free Introduction-to-IT Practice Test

Why are businesses beginning to use big data?

• A.To connect a myriad of devices to the Internet and allow these devices to logically interact with one another
• B.To store enormous amounts of paper documents and electronic data in databases and data warehouses for future analysis
• C.To collect large amounts of data from various sources, both external and internal, both paper and electronic
• D.To integrate vast amounts of electronic data into analysis in order to gain insight for better decision making

How does high-level programming language differ from low-level language?

• A.The high-level code is written in machine language.
• B.The high-level code is written by translating it to machine language.
• C.The high-level code is written using words from the English language.
• D.The high-level code is written at the binary level.

When would a business intelligence (BI) system be useful in making a decision?

• A.When determining the average salary of the company's executives
• B.When deciding if a restaurant should use more organic food in its menu, based on customer reviews and an analysis of current costs
• C.When figuring out when to reorder store inventory for a particular stock keeping unit (SKU)
• D.When deciding whether to promote an employee by looking at their annual sales performance

What is a step for considering risk during the planning phase of project management?

• A.Comparing project progress to milestones
• B.Listing each possible cause of failure
• C.Prioritizing by severity and likelihood
• D.Establishing clear and attainable goals

Which part of a computer system is hardware?

• A.Random-access memory
• B.Compiler
• C.Kernel
• D.Operating system