Computer Science Fundamentals Quiz
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Questions and Answers

Which number system is primarily used in PCs for data coding?

  • Numerical
  • Binary (correct)
  • Octal
  • Decimal

Who is credited with the idea of program control on computing processes?

  • Ada Lovelace
  • J. Mauchli
  • Norbert Wiener
  • Charles Babbage (correct)

What is defined as the sequence of eight bits?

  • A bit field
  • A word
  • A byte (correct)
  • A nibble

What type of information is primarily stored in computers?

<p>Data (B)</p> Signup and view all the answers

What characteristic refers to a message including all relevant information?

<p>Completeness (B)</p> Signup and view all the answers

Which characteristic emphasizes the need for message validity and accuracy?

<p>Verifiability (D)</p> Signup and view all the answers

What is the maximum number represented by 8 bits?

<p>256 (B)</p> Signup and view all the answers

What data processing technique is used to compress data?

<p>Archiving of data (B)</p> Signup and view all the answers

What is the purpose of the object property sheet in MS Access?

<p>To modify the object's properties (C)</p> Signup and view all the answers

Which of the following is NOT considered a detail about a file in MS Access?

<p>Database profiles (C)</p> Signup and view all the answers

In database design, data is primarily arranged into which components?

<p>Tables and fields (C)</p> Signup and view all the answers

Which slide transition in MS PowerPoint gently uncovers one slide to reveal the next?

<p>Wipes (A)</p> Signup and view all the answers

What are defined combinations of formatting options in MS PowerPoint called?

<p>Quick Styles (B)</p> Signup and view all the answers

Where does MS PowerPoint typically position a bulleted list on a slide?

<p>On the left side (B)</p> Signup and view all the answers

Which animation category is NOT included in the entrance, exit, and emphasis animations in MS PowerPoint?

<p>Colorful (B)</p> Signup and view all the answers

In MS PowerPoint, how do you select sequential slides?

<p>Hold the SHIFT key and click the last slide (C)</p> Signup and view all the answers

What does the scroll box indicate in a document window?

<p>The location of the slide (C)</p> Signup and view all the answers

Which term defines the appearance and shape of letters, numbers, and symbols in Power Point?

<p>Font (C)</p> Signup and view all the answers

What is displayed on the status bar in Power Point?

<p>The number and title of the current slide (C)</p> Signup and view all the answers

What feature in Power Point allows you to see the effect of a gallery choice before applying it?

<p>Live preview (B)</p> Signup and view all the answers

What is another term for a Power Point presentation?

<p>Slide deck (D)</p> Signup and view all the answers

Which file formats are associated with Power Point?

<p>*.ppt and.pptx (A)</p> Signup and view all the answers

Which elements are included in slide design?

<p>Color scheme, background, object colors (D)</p> Signup and view all the answers

What does the term mode refer to in statistics?

<p>The most frequently occurring value (D)</p> Signup and view all the answers

What are the methods for managing files in a computer system?

<p>Changing, moving, and deleting files (B)</p> Signup and view all the answers

Which of the following is the correct sequence to set the date and time in MS Windows?

<p>start - settings - control panel - date and time (C)</p> Signup and view all the answers

What command is used to create a new file in Windows Explorer?

<p>file - create - choose of the created file type (C)</p> Signup and view all the answers

Where can you find the disk defragmentation option in MS Windows?

<p>start - all programs - accessories - system tools - disk defragmentation (C)</p> Signup and view all the answers

How can you access the settings of a language in MS Windows?

<p>start - settings - control panel - language and regional standards - languages (B)</p> Signup and view all the answers

What is the correct method to change page numbers in MS Word?

<p>double click on the page number with the left button of the mouse (A)</p> Signup and view all the answers

What is the method for combining several selected graphical objects in MS Word?

<p>context menu - grouping - group (A)</p> Signup and view all the answers

Which file attribute is NOT typically associated with files in MS Windows?

<p>User permissions (D)</p> Signup and view all the answers

What is the total byte count represented by the word 'COMPUTER'?

<p>12 bytes (C)</p> Signup and view all the answers

How many bytes are in 32 Gbytes?

<p>2^24 bytes (A)</p> Signup and view all the answers

What is the decimal equivalent of the binary number 1001?

<p>9 (A)</p> Signup and view all the answers

What is the decimal equivalent of the hexadecimal number 255?

<p>597 (A)</p> Signup and view all the answers

In binary, how is the decimal number 2 represented?

<p>10 (B)</p> Signup and view all the answers

What is the sum of the binary numbers 111011 and 101010?

<p>1100101 (D)</p> Signup and view all the answers

What is the purpose of a mathematical coprocessor?

<p>To assist the basic processor in mathematical operations (B)</p> Signup and view all the answers

What technology was used in second generation computers?

<p>Transistors (B)</p> Signup and view all the answers

Which device acts as the temporary storage of information?

<p>Buffer (D)</p> Signup and view all the answers

Which of the following is acknowledged as the first computer?

<p>ENIAC (B)</p> Signup and view all the answers

What is the smallest unit of information measurement?

<p>Byte (C)</p> Signup and view all the answers

Who is the founder of logical algebra?

<p>George Boole (A)</p> Signup and view all the answers

What type of logical element performs the operation "disjunction"?

<p>OR (C)</p> Signup and view all the answers

What is the correct method to create a new paragraph in MS Word?

<p>Press the Enter key (D)</p> Signup and view all the answers

Which combination allows you to automatically go to the next page in MS Word?

<p>Press Ctrl + Enter (C)</p> Signup and view all the answers

How can you change a numbered list to a marked list in MS Word?

<p>Select the text and choose paragraph markers (A)</p> Signup and view all the answers

What common mistake might cause an error in the formula =SUM(C7:C10)?

<p>Missing the equal sign at the formula's start (C)</p> Signup and view all the answers

What does the message indicating symbols like 'C:\Users\User\Desktop...' in an Excel cell typically mean?

<p>The number is too large and not fully displayed (D)</p> Signup and view all the answers

If cell A2 contains 10%, which formula correctly calculates that percentage of a value in cell B2?

<p>=B2 * 0.10 (A)</p> Signup and view all the answers

Flashcards

What number system do computers use?

Computers use the binary number system, which uses only 0s and 1s to represent data.

Who first proposed program control in computing?

Charles Babbage, often called the 'father of computing', first conceptualized the idea of program control for computing processes.

What is a byte?

A byte is a unit of data consisting of eight bits. It's like a small container holding eight 0s or 1s.

Computers store what?

Computers store data, which can be numbers, text, images, or any other digital information.

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Completeness

Completeness means information includes all essential details, making it comprehensive and informative.

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Verifiability

Verifiability ensures information can be checked for accuracy and reliability.

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Adequacy

Adequacy means information meets specific requirements or fulfills a particular need.

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Currency

Currency implies that information is up-to-date and not outdated.

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Scroll box

The small rectangle on a scroll bar, representing your current position within a document.

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Font style

The visual appearance of text, including bold, italic, and underline. It determines the shape and design of the letters.

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Slide indicator

Displays the current slide number and title, helping you track your progress in a presentation.

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Live preview

A feature that lets you instantly see how an option will look in your document before applying it.

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Slide show

A presentation displayed as a series of screens, featuring text, images, and more.

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PPT file formats

PowerPoint files use specific file extensions to identify their type, the most common being '.ppt' and '.pptx'.

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Slide design elements

Key features that enhance a presentation, such as color schemes, backgrounds, and object colors, as well as animations and transitions.

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Statistical indicator

A numerical value that represents a specific characteristic of a dataset, giving insights into its properties.

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Property Sheet

The Property Sheet is a window that allows you to change the settings of an object in a program. You can use it to adjust things like size, color, and text.

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Database Properties

Database Properties are settings that define the overall characteristics of a database, like its name, location, and security features.

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Database design: Tables & Fields

Database design involves organizing your data into Tables, which are like folders, and Fields, which are the individual pieces of information within those folders.

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Wipes Slide Transition

The Wipes transition in PowerPoint smoothly replaces an old slide with a new one by seeming to wipe it off the screen.

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Quick Styles

Quick Styles in PowerPoint are pre-defined combinations of formatting options, like font, color, and alignment, that you apply quickly to your slides.

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Bulleted List Position

In PowerPoint, a bulleted list will default to being positioned on the left side of a slide.

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PowerPoint Animation Categories

PowerPoint has categories for entrance, exit, and emphasis animations, including Basic, Exciting, and Moderate. 'Colorful' is not an animation category.

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Rehearsal Feature

PowerPoint's Rehearsal feature allows you to practice your presentation with a timer and record your timing for each slide.

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Binary to Decimal

Converting a binary number, which uses only 0s and 1s, to its equivalent decimal representation, using base 10.

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Decimal to Binary

Converting a decimal number, base 10, to its equivalent binary representation, using only 0s and 1s.

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Hexadecimal to Decimal

Converting a hexadecimal number, using base 16 (0-9 and A-F), to its equivalent decimal representation, using base 10.

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Binary Multiplication

Multiplying binary numbers by following specific rules, similar to decimal multiplication, but using only 0s and 1s.

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Binary Addition

Adding binary numbers by following rules similar to decimal addition but using only 0s and 1s.

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What is temporary storage?

Temporary storage, also known as RAM (Random Access Memory), holds data that the computer is actively using, but the information is lost when the power is turned off.

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What is a driver?

A driver is a specific program that allows your computer to communicate with and control a specific device, such as a printer, mouse, or keyboard.

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What is a logic gate?

A logic gate is an electronic circuit that performs a specific logical operation on its input signals, producing a single output signal. Examples include AND, OR, NOT, XOR, etc.

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What is a processor?

The processor, also known as the CPU (Central Processing Unit), is the brain of your computer, executing instructions and performing calculations.

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What is a modem?

A modem is a device that allows your computer to connect to the internet or other networks by converting digital signals into analog signals, and vice versa.

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What is a scanner?

A scanner converts physical documents or images into digital data that a computer can process and store.

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What is a monitor?

A monitor is an output device that visually displays the information processed by the computer.

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What is a keyboard?

A keyboard is an input device used to enter text, numbers, and commands into a computer.

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File Attributes

These are properties that describe the file, such as the date it was created or modified, its size, and whether it's read-only. They help organize and manage files.

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File Operations in Windows Explorer

Common actions you can perform with files in Windows Explorer, such as creating, copying, moving, renaming, and deleting them.

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How to Change Date & Time in Windows

To adjust the date and time in Windows, you need to access the Control Panel, a central settings hub.

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Creating a New File in Windows Explorer

Utilize the 'File' menu in Windows Explorer to create a new file or folder. You'll have several options depending on the type of file you want to create.

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Disk Defragmentation: Windows

The process of optimizing your hard drive by rearranging file fragments, leading to faster performance. You can access this tool in the 'System Tools' section of the Start menu.

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Windows Language Settings

Change the language used in Windows, including menus and interface elements. Found in the 'Control Panel' under 'Language and Regional Standards'.

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Changing Page Numbers in Word

Modify the page numbers in a Word document by double-clicking on the existing page number. Then, you can adjust the numbering format or delete the page number altogether.

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Grouping Graphical Objects in Word

Combine multiple selected graphical objects into a single group. This helps you treat them as one unit for easier manipulation.

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New Paragraph in Word

To create a new paragraph in MS Word, press the Enter key. This action will move the cursor to a new line, effectively creating a new paragraph.

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Next Page in Word

Press Ctrl + Enter to automatically move to the next page in MS Word. This is a shortcut for inserting a page break.

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List Conversion

To change a numbered list to a bulleted list in MS Word, select the text, then go to the 'Paragraph' section of the ribbon and choose the 'Markers' option.

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Excel Formula Error: =SUM(C7:C10)

The error in the formula =SUM(C7:C10) is that a "=" sign is missing at the beginning. It's necessary to start every Excel formula with an equals sign.

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Cell Symbol 'C:...'

In Excel, the symbol 'C:...' indicates that the cell content is too large to be displayed entirely. It means the data either extends beyond the cell's width or is too long for the cell's height.

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Calculating Percentage

To calculate a percentage of a value in Excel, multiply the value in the cell by the percentage expressed as a decimal. For example, to calculate 10% of the value in cell B2, use the formula =B2*0.10

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Excel Formula Result

In Excel, if cell A1 contains 5, cell B1 has the formula =A1*2, and cell C1 contains the formula =A1+B1, then the result in C1 will be 15. Cell C1 adds the value in A1 to the result of the formula in B1.

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MEDIAN Function

The MEDIAN function in Excel finds the middle value in a set of numbers. If you have a sorted set of numbers, it's the number in the exact middle. If the number of values is even, the MEDIAN is the average of the two middle values.

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Study Notes

Number Systems

  • PCs use the binary number system for data coding. Other systems used are octal and decimal.

Program Control

  • The first statement of program control in computing processes was by Ch. Babbage. Other contributors include J. Mauchli, John Fon Neumann, Ada Lovelace, and Norbert Wiener.

Byte Definition

  • A byte is a sequence of eight bits.
  • It's the unit of measure for information.
  • It represents a quantity of information as 1 or 0.
  • It groups four hexadecimal figures.

Computer Storage

  • Computers store data, elements, algorithms, and multimedia components.

Information Characteristics

  • Information as a message should include all relevant information. It must also be current, adequate and verifiable for accuracy, appropriateness, and validity. Information should be timely available and not obsolete. It should also be objective.

Data Processing (Ordering)

  • Data processing methods for ordering include sorting and filtration of data. Formalization and transportation of data are also used in ordering.

Data Processing (Compressing)

  • Data processing methods for compressing data include archiving. Filtration, sorting, and transportation are not used for compressing data.

Maximum Number of Bits

  • 256 is the maximum number of bits that can have no more than 8 bits of information.

Binary Equivalent

  • The binary equivalent of decimal 42 is 101010.

Magnetic Storage Types

  • Magnetic storage comes in firm and soft, floppy and hard, and empty and filled categories. Input and output are not categories for magnetic storage.

Random Access Memory (RAM) Acceleration

  • Cash memory is used for acceleration of access to RAM.

BIOS Constant Memory

  • BIOS constant memory is used for checking computer equipment.

Computer Organization Contributor

  • John von Neumann contributed to the organization of computers.

Modem and Fax Modem

  • Modems and fax modems are used to exchange information with other computers. They are also used for conversations with users and for effective work with office equipment. They are also used in satellite communications.

Core Speed

  • Core speed is a characteristic of information processing, not a characteristic of storage.

Data Processing (Ordering)

  • Sorting, and filtering are used in data processing for ordering.

Data Processing (Compressing)

  • Archiving is used for data processing in compressing data.

Data Types in Computer

  • Data stored in computers includes data, elements, algorithms, multimedia.

Information Characteristics

  • Information should be verifiable, adequate, current, and accessible; not obsolete, and objective rather than subjective.

Number of bits in word

  • The word "COMPUTER" comprises eight bytes.

Gbytes Conversion

  • 32 gigabytes comprise 235 bytes.

Binary Conversion

  • The binary number 1001 is equal to decimal value 9.

Binary Multiplication

  • The multiplication of binary numbers 1011 and 110 is 1000010.

Hexadecimal Conversion

  • Converting the hexadecimal number 255 into decimal produces 597.

Decimal to Binary Conversion

  • Decimal 2 converted to binary is 10.

Summation of Binary Numbers

  • Adding binary numbers 111011 and 101010 yields 1100101.

Binary Multiplication

  • Multiplying binary 110 by 111 results in 101010.

Mathematical Coprocessor Purpose

  • Mathematical coprocessors are essential for mathematical operations in computers to assist the basic processor.

Modem Use

  • Modems and fax modems are used for communication with users, efficient office equipment use, and connections to communications satellites.

Coding of Data

Which type of number coding is used by devices, to code data, that is primarily in the binary number system.

Data Storage in the Computer

Different types of data are stored in computer like, data, components, elements, algorithms, multimedia.

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