Janet is working on a highly confidential company budget spreadsheet, and she needs to prevent anyone, including administrators in the IT department, from being able to open the file and view its contents. What should she do?

A) Use the Home tab, select Protect Sheet, and enter a password to prevent access to the sheet.
B) Click the Info tab in the Backstage view, select Protect Workbook, select Encrypt with Password, and enter a password.
C) Click the Review tab, select Protect Workbook, and enter a password for protecting the sheet.
D) Click the View tab and customize the view to protect the sheet from unauthorized users.

Acomputer is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored . the processing unit of most modern computers is a(n) . the instructions that tell a computer how to carry out a task are referred to as computer , which are distributed as software. computers run three main types of software: software, system software, and development tools. an example of system software is a computer system, which is essentially the master controller for all the activities that a digital device performs. digital devices are constructed using tiny electronic components that represent data bits as electrical signals. the system unit houses the system board, which contains several circuits made from semiconducting materials. computers come in three popular form factors: component, , and slate. many of today's digital devices operate on battery power supplied by ion batteries. battery life and lifespan can be extended by following good battery management practices.

The word ‘play’ comes with many different interpretations and a variety of definitions. discuss some of the various meanings tied to the word play. why is the concept of play thought to be an important addition to the workplace? do some (brief) research online and give an example of how play in the workplace is being done right.

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.