Podcast
Questions and Answers
Which phase of the computer program development life cycle follows problem analysis?
What is the decimal equivalent of the binary number (1010)2?
Which of the following is a characteristic of a well-developed program?
How many kilobytes are in one megabyte?
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Which control structure types are included in algorithms and flowcharts?
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Which of the following is NOT a characteristic of a well-developed program?
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What type of computer is designed to support many users simultaneously?
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Which of the following options are components commonly found inside a system unit?
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How many bytes are equal to one kilobyte?
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Which of the following is NOT a type of data represented in computers?
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What is the correct tab to access the option to change page size?
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To insert a mathematical equation, which region under the tab should be used?
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Which tab provides access to the option of adding a strikethrough to selected text?
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What is the correct path to view gridlines in a document?
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To insert a comment in a document, which region is needed after selecting a position?
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What is the correct tab to change page orientation in a document?
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Which tab is used to show the navigation pane?
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Which tab do you use to change the document view to draft?
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What is the correct region to change the page color?
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What is the correct region to change the number format in Excel 2010?
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What command is used to move to the beginning of a document?
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Which key combination is used to select the entire document?
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What is the function of the 'Save as' option?
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What is the fourth phase of the computer program development life cycle?
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What is the decimal equivalent of the binary number (1100)2?
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What is the decimal equivalent of the octal number (15)8?
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What is the hexadecimal equivalent of the binary number (1110)2?
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Which of the following statements about computer memory is false?
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Which command is used to create a new document in word processing software?
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What key combination is used to replace a word with another in a document?
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Which is used to adjust text alignment to the right?
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Which option is NOT a feature of structured programming?
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Which of the following commands is used to check spelling and grammar in a document?
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Study Notes
Computer Fundamentals
- Microprocessor is a single processor chip found in personal computers
- DOS is an example of an operating system
- Audio data is represented in computers
- Data processing involves collecting, manipulating, and distributing data to achieve objectives
- Data consists of raw facts, figures, and symbols
- Readability is a characteristic of well-developed programs
- Algorithms are expected to produce at least one result
- Information is stored in binary form
- Output devices are used to display results
- Internet Explorer is an example of a web browser
- Mainframe is an extremely fast computer
- Storage devices are physical materials where data, instructions, and information are stored
- Object-oriented programming (OOP) incorporates top-down development and modular design
- A floppy disk is a flexible, circular medium for storing data
- Software requires hardware to function
Number Systems
- One kilobyte is equal to 1024 bytes
- (12)10 = (1100)2
- (20)8 = (16)10
- (2B)16 = (43)10
- (1010)2 = (A)16
- (010)2 = (2)8
Computer Program Development Life Cycle
- Problem definition is the first phase of the development cycle
- Problem analysis follows problem definition
- Algorithm is a third phase
- Coding is the fourth phase
Microsoft Word
- Ctrl + D decreases indent
- Ctrl + L selects the line
- Format Painter copies formatting
- Info displays document information
- Ctrl + F replaces words
- Options sets various options
- Ctrl + L aligns text to the left
- Ctrl + A selects all the document
- New creates a new document
- Ctrl + Shift + = subscripts text
- Ctrl + R aligns text to the right
- Ctrl + N creates a new document
- F5 checks spelling and grammar
- Ctrl + Shift + P changes the font type
- Save saves the current document
- Save As saves a new version of the file
- Wrap Text makes all content visible in a cell
- Home Tab > Editing Region > Replace is used to replace words
- Insert Tab > Pages Region > Cover Page is used to insert a cover page
- Insert Tab > WordArt Region > WordArt is used to insert WordArt
- Insert Tab > Illustration Region > Screenshot is used to insert a screenshot
- Page Layout Tab > Page Setup Region > Orientation is used to change page orientation
- View Tab > Show Region > Navigation Pane shows the navigation pane
- View Tab > Document Views Region > Draft changes document view to Draft
- Page Layout Tab > Page Background Region > Page Color changes page color
- Select Cell > Home Tab > Number Region changes number format in excel
Microsoft Word (Alternative Key combinations)
- Ctrl + Y undoes the last action
- Ctrl + W closes the current document
- Options displays document information
- New creates a new document
- Ctrl + Home moves the cursor to the beginning of the document
- Options sets various options
- Ctrl + L aligns text to the left
- Ctrl + Shift + P changes the font size
- Open opens a new document
- Ctrl + Shift + C subscripts text
- Ctrl + T aligns text to the right
- Ctrl + O opens a new existing document
- F7 checks spelling and grammar
- **Ctrl + A ** selects all the document
- Save As saves another version of this file
- Select Text > Home Tab > Font Region > Font Size changes the font size
- Insert Tab > Page Background Region > Watermark inserts a watermark
- Page Layout Tab > Page Setup Region > Size changes page size
- View Tab > Show Region > Gridlines shows gridlines
- Insert Tab > Equation Region > Equation inserts a mathematical equation
- File Tab > Info Command > Permissions inserts a password
- Select a Position > Review Tab > Comments Region > New Comment inserts a comment
- Page Layout Tab > Page Setup Region > Margins changes the margins
- Select Text > Home Tab > Paragraph Region > Decrease Indent decreases indent
- Select Text > Home Tab > Font Region > Strikethrough adds strikethrough
Additional Notes
- A memory unit is not a single processor chip
- DOS is an example of an operating system
- Audio data can be represented in computers
- Data is not the collection, manipulation, and distribution of information
- DVDs are not made up of inflexible, circular platters
- Maintainability is an advantage of well-developed programs
- The binary system is not the number system we use every day
- Output devices enter data and instructions
- Access is an example of a database management system
- Supercomputer is an extremely fast computer
- Storage medium is physical material on which data, instructions, and information are stored
- Structured programming incorporates top-down development and modular design
- Hardware requires software to function
- Algorithms aren't required to produce a result, but they can.
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Description
This quiz covers essential concepts in computer fundamentals and number systems. Topics include microprocessors, operating systems, data processing, algorithms, and storage devices. Test your knowledge on the basics of computing and the principles behind data representation.
