Podcast
Questions and Answers
Considering the evolution of computer hardware, which technology marked the transition from first-generation to subsequent generations?
Considering the evolution of computer hardware, which technology marked the transition from first-generation to subsequent generations?
- Microprocessors
- Transistors (correct)
- Integrated Circuits
- Vacuum Tubes
If a computer program requires temporary storage space for calculations, which type of memory is best suited for this purpose?
If a computer program requires temporary storage space for calculations, which type of memory is best suited for this purpose?
- PROM
- RAM (correct)
- EPROM
- ROM
A graphic designer needs to preview their work on a large screen. Which device is essential for this task?
A graphic designer needs to preview their work on a large screen. Which device is essential for this task?
- Memory
- Keyboard
- Monitor (correct)
- Mouse
An architect needs to digitally trace a blueprint into a CAD program. Which device would they most likely use?
An architect needs to digitally trace a blueprint into a CAD program. Which device would they most likely use?
An engineering firm requires a device to produce detailed, large-format architectural drawings. Which output device meets this requirement?
An engineering firm requires a device to produce detailed, large-format architectural drawings. Which output device meets this requirement?
When a computer is restarted after installing new software, what type of booting occurs?
When a computer is restarted after installing new software, what type of booting occurs?
During a computer's startup sequence, a series of diagnostic tests are performed to ensure hardware components are functioning correctly. What is the technical term for this process?
During a computer's startup sequence, a series of diagnostic tests are performed to ensure hardware components are functioning correctly. What is the technical term for this process?
When building a custom PC, which component choice directly impacts the system's ability to quickly access frequently used programs and data?
When building a custom PC, which component choice directly impacts the system's ability to quickly access frequently used programs and data?
Considering the historical timeline of computer technology, the introduction of integrated circuits (ICs) revolutionized computing. Which generation of computers first utilized ICs?
Considering the historical timeline of computer technology, the introduction of integrated circuits (ICs) revolutionized computing. Which generation of computers first utilized ICs?
When evaluating CPU performance, what metric indicates the amount of data a processor can handle simultaneously?
When evaluating CPU performance, what metric indicates the amount of data a processor can handle simultaneously?
A software developer needs to optimize data storage size. How many bytes are in one kilobyte?
A software developer needs to optimize data storage size. How many bytes are in one kilobyte?
A programmer wants to ensure their text-based data is universally compatible across different systems. Which encoding standard should they primarily consider?
A programmer wants to ensure their text-based data is universally compatible across different systems. Which encoding standard should they primarily consider?
Given a large dataset of $2^{50}$ bytes, which unit of measurement is most appropriate for expressing this quantity?
Given a large dataset of $2^{50}$ bytes, which unit of measurement is most appropriate for expressing this quantity?
In a system using Binary Coded Decimal (BCD), what is the maximum number of distinct characters or symbols that can be represented?
In a system using Binary Coded Decimal (BCD), what is the maximum number of distinct characters or symbols that can be represented?
If a digital system outputs the binary value 1101, what is its equivalent hexadecimal representation?
If a digital system outputs the binary value 1101, what is its equivalent hexadecimal representation?
Flashcards
Integrated Circuits (ICs)
Integrated Circuits (ICs)
Semiconductor devices used in the third generation of computers, replacing transistors.
Volatile Memory
Volatile Memory
Memory that loses its data when power is turned off, like RAM.
Output Device
Output Device
A device that displays or presents data processed by a computer.
Input Device
Input Device
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Warm Booting
Warm Booting
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POST (Power On Self Test)
POST (Power On Self Test)
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Main Memory
Main Memory
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Word Length
Word Length
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Byte
Byte
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ASCII
ASCII
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Microprocessor
Microprocessor
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Cache Memory
Cache Memory
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Decoder
Decoder
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Windows
Windows
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Interactive Operating System
Interactive Operating System
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Study Notes
- First-generation computers used vacuum tubes.
- Volatile memory is RAM.
- A monitor is an output device.
- A mouse is an input device.
- A plotter is an output device used for printing building plans and flex boards.
- ATM machines use a touch screen interface.
- Restarting a system is called booting.
- POST expands to Power On Self-Test.
Memory
- RAM is the main memory.
- The third generation of computers used ICs.
- A "word length" refers to the number of bits processed by a computer's CPU.
- 1 Kilobyte contains 1024 bytes.
- ASCII expands to American Standard Code for Information Interchange.
- 2^50 is referred to as Peta.
- The Binary Coded Decimal (BCD) system can handle 256 characters.
- The Hexadecimal equivalent of 11012 is E.
- The 1's complement of 00100110 is 11011001.
- 876 is not an Octal number.
- The brain of a computer is the microprocessor.
- A register is not a part of a microprocessor unit.
- The number of bits in a word is determined by the processor.
- An encoder identifies the location when an address is placed in the memory address register.
- AMD K6 is a CISC processor.
- Cache memory is the fastest memory.
- A processor with an 8-bit address bus can identify 256 memory locations at a time.
- A 12cm diameter DVD with a single side and single layer has a capacity of 7.8GB.
- The smallest size of data represented in a CD is a Pit.
- Display devices are connected to the computer through a VGA connector.
- An operating system is a system software.
Operating Systems
- Operating Systems provide easy interaction between human and computer and control input/output devices and manage main memory.
- Complier Environment is not a function of an Operating System.
- Windows is a commercially licensed operating system.
- Linux supports Mobile Devices.
- File Management manages directory systems.
- Interactive operating systems provide Graphics User Interface (GUI).
- MS-DOS is an example of a single-task operating system.
- Linux uses the ext2 file management system.
- The operating system manages memory, processes, disks, and I/O devices.
- The default folder for saving files in Windows Applications is Documents and Settings.
- The Shift + Delete option permanently deletes a file or folder in Windows 7.
- "Hibernate" in Windows XP/Windows 7 means to shutdown the Computer terminating all the running applications.
- The shortcut key used to rename a file in Windows is F2.
- The opening screen of OpenOffice is the Star Center.
- Assign text, tables, graphics, and other items to a key using the Auto Text option.
- The Numbering option is located in the Tools menu.
- The Title bar is displayed at the top of the window.
- Changing the default appearance of text is called Page formatting.
- The Find & Replace option is in the Edit menu.
- The Replace All button selects all instances of the search text.
Shortcuts
- "Ctrl + Home" is the shortcut key to go to the start of the document.
- "Ctrl + F" is the shortcut key to find and replace text.
- "Ctrl + Z" is the shortcut key for Undo.
- Visicalc was the first electronic spreadsheet.
- Visicalc was the parent application to OpenOffice Calc.
- A spreadsheet is a grid of cells with a programmable calculator.
- A column heading in Calc is represented using Alphabets.
- Tab key is used to move the cell pointer forward in the worksheet.
- A Calc formula begins with =.
- The result of the formula "= A1^B2" when A1=5 and B2=2 is 25.
- The result of the expression "=H1<>H2" when H1=12 and H2=12 is False.
- The "$" symbol is used to make a cell address an absolute reference.
- The key combination to increase the width of the current column is "Ctrl + Right arrow".
- A navigator is used to move quickly from one slide to another.
- F5 is the shortcut key to view the slideshow.
- Impress shows thumbnail versions of slides arranged horizontally in Slide Sorter view.
- The default view in Impress is Normal.
- The Slide Transition option is in the Tools menu.
- The extension of an Impress presentation is .odp.
- Slide Transition is the entry effect when one slide replaces another in a slide show.
- Rehearse Timing progresses through a slide show automatically while speaking.
- WLAN expands to Wireless Local Area Network.
Network Communication
- The internet is governed by ICANN.
- W3C expands to World Wide Web Consortium.
- W3C was established in 1994 by Tim Berners-Lee.
- Hotspots use WLAN network services.
- USB WiFi adapters are called Dongles.
- Looking for information on the internet is called Surfing.
- Apple developed web browser Safari.
- There are 4 types of websites available.
- HTML is acronym for Hyper Text Markup Language.
- Coded HTML keywords for formatting content are called Tags.
- Attributes are special words used to specify additional information inside a tag.
- HTML tags are specified within <>.
- An HTML document is bounded within tags.
- </> symbol is used to define a closing tag.
- The Body section of the browser window displays the main content.
- The tag is a structural tag.
- In HTML, colors are represented as Hexadecimal values.
- '#' symbol is used to prefix with hexadecimal value representing a color in HTML.
- The "bgcolor" attribute changes the text color within the body tag.
- The "topmargin" attribute is for setting the top margin within the body section.
- There are 6 levels of heading tags available in HTML.
- The tag used to insert a line break is
. - The tag used to define a paragraph in HTML is
.
- , , and are physical style tags.
- The Italics feature is used to call attention to the reader.
- The tags and are used for Subscript and Superscript.
- Font is a named set of character and number style.
-
is the odd one from the list. - (a) tfoot - (4) Table, (b) start - (1) Order list, (c) href - (2) Hyperlink, (d) mark - (3) Highlight is the correct match.
- A definition list has 3 parts.
- Nested list is list block that can be defined inside another list.
Web Development
- Link in HTML creates hyperlinks to web content, and HREF stands for Hypertext Reference.
- "local" attribute creates internal link .
- PNG image format was standardized by W3C.
tag Inserts images in HTML.
- The inline sound tag is
. - The "Continue" value causes the audio play as long as the page is in view.
- "method" and "action" are the important attributes used with the <form> tag.
- (a) <textarea> - (3) Multiline input, (b) <input> - (1) inline, (c)
- (2) Video, (d) - CSS expands to Cascading Style Scheme.
- <Style> is the page level style.
- CSS is also called Internal Style Sheets.
- .css is the extension of CSS files.
- The selector is called Property.
- {} surrounds the declaration block of CSS.
- The declaration should be terminated by ;.
- Font-Weight property sets text as bold.
- /* */ indicates the text included is a comment.
- The correct way to write CSS is p {color:red; text-align:center;}.
- JavaScript provided a common scripting language to web developers.
- CGI expands to Complex Gateway Interface.
- The JavaScript programming language is used to develop the Dynamic Web Page.
- Dynamic Web Pages help save the server's Traffic.
- Validating User entered data before sending it to the server is Dynamic Web Page .
- The correct statement to implement Java Scripts <script>.
- DHTML expands to Dynamic Hyper Text Markup language.
- The <script> tag specifies 3 attributes in scripting.
- The Type attribute is used to indicate the scripting language and its value should be sent to "Text/JavaScript”.
- The File reload into the browser use the shortcut key is F5.
- JavaScript ignores spaces between Tokens.
- A Literal directly gives value for variable in program.
- Using the Alert Dialog Box mostly gives warning message to users.
- In the expression "var x = 250 + 2 – 200", the value of x is 48.
- Branching transfers control from current statement to another statement.
- The Else-if statement can be used as an alternative to if-else statement.
Logic and Programming
- The Break statement exits the statement once the appropriate choice is found.
- Switch case is not a looping statement.
- The Third part of the loop statement determines the number of times the loop will be iterated.
- A Loop statement is not a branching statement.
- The code snippet will output 0 1 2.
- The condition is evaluated before executing a statement in a Do While loop.
- The Break statement is especially useful when testing all results of an expression(LOT).
- if loop, body of the loop is not compulsary to execute more than at least once before the condition can be executed.
- The script will output 63.
- Parameters perform as Local Variable.
- Predefined functions are also called Library functions.
- Larger programs divide into smaller modules.
- Functions enhance reusability and program clarity.
- The user-defined functions allows the programmer to modularize a program.
- Computer ethics concerns the code of moral principles that regulate the use of computers.
- Illegally distributed commercial programs are known as Warez.
- Worms are self-repeating programs that don't need to attach themselves to existing files.
- Spyware tracks a user's website visits.
- Firewall is not a malicious program on computer systems.
- Encryption converts cipher text to plaintext.
- E-commerce means electronic commerce exchange.
- Distributing unwanted email is called spam. Electronic Data Interchange (EDI) gives legal recognition for transactions.
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