pls 021 exam 1
Which of the following CPUs is most likely to be able to process data the fastest, all else being equal? 3.0 GHz, quad-core, hyperthreaded 3.0 GHz, quad-core, Turbo Boost up to 3.2 GHz They are the same
3.0 GHz, quad-core, hyperthreaded (although the base clock speed is the same, the end performance is not likely to be the same.)
What is an application suite? A file storage system A type of software license A collection of files A collection of related computer programs
A collection of related computer programs
What does the "A" in RAM stand for? Access Arithmetic Avatar Accelerated
Access
Which of the following would be considered photo "editing"? Adjusting exposure (in software) All of these Replacing the background of an image to make it look like it was taken in a different place Using the blur tool to make it look like an object is fading out
Adjusting exposure (in software) (Correct, this would be correction of an image, or "editing")
Which of the following is not a component of a computer network? Browser Data Packet MAC Address Transfer Protocol
Browser
Which of the following types of storage are fastest in terms of speed at which data is read and written? Volatile RAM Cache ROM
Cache (Correct, cache storage is located very close to the CPU, and is thus very fast.)
Cloud computing has the following benefit for companies: Enhanced privacy Improved reliability Cost savings Improved security
Cost savings
Which of the following is not an advantage associated with using a CMS for commercial web development? Hosts website data Cost savings Intuitive and rapid development The user does not have to know HTML
Cost savings
Which of the following best describes "volatile" storage? It reads and writes data in random order It is prone to data corruption It uses rapid fluctuations in voltage to write data. Data is lost when power is lost
Data is lost when power is lost
Which of the following negative aspect of cloud computing is the least likely to occur under typical conditions? System outages Data loss due to natural disasters Serving as a platform for illegal activity Data hacking
Data loss due to natural disasters
An external link connects to a different page within the same website. True or False
False
The Internet primarily uses satellite signals to transmit data between continents. True False
False
A free software package is called a browser. True or False
False (Correct, free software is called freeware, open source software, or similar.)
Pivot tables are a proprietary feature unique to Microsoft Excel. True or False
False (Correct, many other types of spreadsheet software can make pivot tables, including Google Sheets and LibreOffice Calc.)
Microsoft Office 365 is an example of freeware. It depends, True, or False
False (Office 365 is commercial software with a license that was paid somehow at some point.)
Word processing based on markup languages adds formatting to text primarily through keyboard shortcuts. True or False
False (markup languages use text-based tags or commands to indicating particular formatting of text.)
Which of the following has been shown to increase website effectiveness in terms of user satisfaction, revenue, or retention? Having many menu items Avoiding photos of people Fewer choices Slower loading times
Fewer choices
Which of the following was originally developed to be a cloud-based word processing software that prioritized collaboration? Apple Pages LibreOffice Writer Microsoft Word Google Docs
Google Docs
Which of the following is the most common user interface for operating systems like Windows or MacOS? Menu-driven interface Graphical user interface Natural language interface Command line interface
Graphical user interface (Correct, most users navigate these operating systems by clicking graphical buttons, icons, etc.)
What are HTML Tags? THE COMMAND AND CONTROL CENTER OF A WEBSITE HOSTED ON A SERVER. A SERIES OF CODES THAT COMMAND THE DEVICE. A WAY FOR THE USER TO INTERACT WITH A WEBSITE. HTML TAGS ARE SPECIFICALLY FORMATTED TEXT THAT CREATES 'MARKERS' FOR WEB BROWSER TO READ AND INTERPRET.
HTML TAGS ARE SPECIFICALLY FORMATTED TEXT THAT CREATES 'MARKERS' FOR WEB BROWSER TO READ AND INTERPRET.
Which of these is not a type of cloud computing? Platform as a Service Infrastructure as a Service Hardware as a Service Software as a Service
Hardware as a Service
Which of the following is the most important criteria when selecting a piece of software? Customer support Price It depends Collaboration/cloud capability Stability
It depends (Correct, different criteria may be more important for different applications.)
An advantage of cloud-based software suites is that they provide cost savings compared to making a one-time software purchase. False True It depends
It depends (Correct, it really depends on the timeframe you are looking at. It may be cheaper in the short-term, but more expensive in the long-term as subscription costs pile up.)
Which of the following is most likely a reason someone would choose to use Adobe Photoshop for image processing rather than other common software options? It is free and open source It has robust and extensive features It is among the best software for photo sorting/organization/culling It is much easier to use than other options
It has robust and extensive features (Correct, it is commonly used in professional applications and has a rich array of features.)
Which of the following is most likely to be considered a weakness of Microsoft Excel relative to other spreadsheet software? -It does not have capability for custom scripting/programming -It is free for everyone to use -It is not available for MacOS -It is not open source, so the base software cannot be modified
It is not open source, so the base software cannot be modified (Excel has a proprietary license, and is thus closed source.)
What is the advantage of a cache? It speeds up data retrieval It is very compact in physical size It provides a large amount of data storage It is cheap
It speeds up data retrieval
Which of the following is an example of open source spreadsheet software? Microsoft Excel Apple Numbers LibreOffice Calc Google Sheets
LibreOffice Calc
Which of the following is an example of an operating system kernel? Android Linux MacOS Popcorn
Linux
Which of the following is an output technology? Monitor Mouse Stylus Keyboard
Monitor
Which of the following aspects of an operating system allows for running of multiple programs at the same time? Virtualization Software Juggling Multitasking
Multitasking
Spreadsheets primarily deal with what type of data? Numerical Big data Text Artificial intelligence
Numerical (Correct, spreadsheets deal primarily with numerical data and associated calculations, but modern spreadsheet software can handle many different data types.)
Where is data usually stored in cloud computing? In RAM On a server On satellites On your device's solid-state drive
On a server
Which of the following best describes cloud computing? A network comprised of quantum computers Long-range wireless communication between computers across satellites Weather forecasting software On-demand, remote computing resources
On-demand, remote computing resources
Which of the following is most likely to be a possible disadvantage in choosing Final Cut Pro software for video editing? It has limited to no effects available PC users cannot run it It is not cross-compatible with GIMP file format It is open source
PC users cannot run it
Which of the following does modern spreadsheet software typically replace (check all that apply)? Absolute referencing Paper Ledger Adding machine or calculator Youtube
Paper ledger (Correct, a spreadsheet is essentially a computerized version of a paper ledger.) and Adding machine or calculator (Correct, the spreadsheet does these types of calculations automatically.)
Which is not an example of a CMS? Weebly WordPress Wix Photoshop
Photoshop
In which of the following situations would you be most likely to use spreadsheet software? Preparing a budget all of these preparing a memo preparing a large group of customized emails
Preparing a budget
What is a means for providing uniform formatting of all pages in a website? Using a DNS address Referencing a CSS Using an HTML tag Select "format -> document -> apply" from the browser drop-down menu
Referencing a CSS
Which of the following is not a type of secondary storage? Flash Drive Register Optical Drive Magnetic Disk
Register (Correct, this is primary storage.)
Which of the following types of storage would typically contain data that only needs to be read and written infrequently? secondary storage cache RAM primary storage
Secondary storage (Correct, secondary storage such as your HDD, SSD, etc. are accessed relatively infrequently compared to primary storage.)
Which of the following types of computers would usually take up an entire large room and have hundreds of thousands of CPUs? Supercomputer Quantum computer Moore's computer Mainframe computer
Supercomputer
Which useful tool allows you to control paragraph margins and indents? Widow Mail merge Tab Break
Tab
Which of the following best describes the type of data organization characteristic of a spreadsheet? Document Tabular Relational Heath Ledger
Tabular (Correct, spreadsheets arrange data in tabular format such that they can be easily referenced based on their row and column.)
Benefits of application suites include all of the following EXCEPT: Takes up a lot of space They offer cost benefits Integrated products are designed to work together Common user interface
Takes up a lot of space
Which of the following has wires and cables? The Internet The World Wide Web
The Internet
Which of the following might be a reason to consider using open source software? You can try it for free for a limited time before purchasing the full version. Open source software typically comes with excellent customer support. The software is usually kept up to date with the latest features. The software can be modified and customized
The software can be modified and customized
What is HTML? The standard language for document display in web browsers A shorthand or alias for an IP address An internet transfer protocol An encryption standard
The standard language for document display in web browsers
Why might many businesses choose not to use open source photo or video editing software? It is too expensive at the enterprise/business scale It will often result in low quality photos or videos There is usually nobody to call if you need help It allows you to customize the source code
There is usually nobody to call if you need help
Which of the following is a benefit to using layers when photo editing/processing? They allow you to apply dodge and burn effects They improve sharpness of the image They are required in order to crop an image They allow you to work on only a limited portion of the image at a time
They allow you to work on only a limited portion of the image at a time
Which of the following might be a reason to pay for "professional" video editing software instead of using cheap or free software? They can include custom audio clips within video clips All of these They can overlay text animations on video clips They include an extensive library of effects
They include an extensive library of effects
Which of the following would have the largest impact on a computer network bandwidth? Web browser Computer hardware Type of connection between devices Physical distance between computers on the network
Type of connection between devices
Which of the following types of cable is least likely to be used in a LAN? USB Fiber Optic Twisted-Pair Coaxial
USB
Which type of network uses radio waves rather than cables/wires for communication? WLAN LAN WAN The Internet
WLAN
Which of the following common software types allows users to create and manipulate text-based documents? Pagination Personal information management Spreadsheets Word processing
Word processing
Which of the following is the primary benefit of adding more RAM to a computer? It speeds up the computer You can run more applications at the same time You can have more files on your computer, such as apps, music, and movies It speeds up rendering of graphics
You can run more applications at the same time
Which of the following is involved in video editing? Trimming the first 10 seconds off of a clip Swapping the order of two clips Combining multiple scenes into a single continuous movie All of these
all of these
Which of the following may be a consideration when choosing a GPU? Number of cores Clock speed None of these Primary storage All of these
all of these (he GPU is almost like a computer itself, and has multiple cores, instruction cycles, and primary memory (but no secondary memory).)
Which of the following terms refers to an element of a spreadsheet (select all that apply)? chart sheet cell formula
chart, sheet, cell, and formula
Data that must be written quickly is often written to ROM rather than to secondary storage because it is much faster. true or false
false (Correct, this was a bit of a trick question. Recall that the "RO" in ROM stands for "read-only". Thus, the speed at which data is written to ROM is irrelevant because data is not written to ROM during normal computing activities.)
Magnetic tape storage is outdated technology that is rarely used anymore. true or false
false (Correct, while magnetic tape is an old technology, it is frequently used for long-term storage because it is cheap, reliable, and consumes no power when not in use.)
Moore's Law states that CPU speed doubles roughly every two years. true or false
false (Moore's Law says that the number of transitions that can fit on a given chip area doubles roughly every two years. This doesn't exactly translate into CPU speed, as you could make the CPU smaller with the same performance, or have different performance characteristics other than speed directly.)
A traditional Hard Disk Drive differs from a Solid State Drive in that it: has faster read/write speeds is volatile storage has a spinning magnetic platter contains transistors for storage
has a spinning magnetic platter (Correct, an SSD is solid and does not have moving parts to access data and does not use magnetic encoding.)
What HTML file is loaded by default in a website directory? browser table of contents index overview
index
A typical raster image to be displayed on a computer screen contains which color channels (select all that apply)? black red blue green
red, blue, and green
Which of the following general photo processing tools would be used to remove the background of an image? selection tool crop tool dodge tool blend tool
selection tool
The first spreadsheet software represented a new way of thinking about using computers in that: -spreadsheets allowed for organization of numerical data in tabular format -spreadsheets did not represent the traditional sequential, algorithmic flow of computer programs at the time -spreadsheets allowed for fast manipulation of numerical data previously unavailable at the time -spreadsheets provided a way for artificial intelligence to analyze large amounts of data, which was previously unavailable
spreadsheets did not represent the traditional sequential, algorithmic flow of computer programs at the time
Why might someone consider using spreadsheet software other than Microsoft Excel (select all the apply)? -Excel lacks cloud integration -they want to move toward open source software because it is more stable and less "buggy" -they want to modify the source code to suit their needs -budgetary constraints
they want to modify the source code to suit their needs (If a user wants to modify source code, they will want to move toward an open source option such as LibreOffice.) and budgetary constraints (Correct, Microsoft Excel is likely to be among the most expensive spreadsheet software options)
Which of the following video editing features allows you to view an entire clip as a linear strip? effects toolbar timeline clip splitting clip trimming
timeline
The central processing unit performs the actual computation or "number crunching" inside a computer. true or false
true