ITEC Chapter 1 - 3 - Software, Hardware, and Internet
What's clock speed?
# of instructions processed per second by the CPU (GHz)
What are the strengths and weaknesses of Android OS?
-Strengths: Designed by Google, the Android operating system is the world's most popular operating system for phones and tablet computers. Because it is designed by Google, the Android OS works well with Gmail and other Google products -Weaknesses: Many believe that the Apple iPhone operating system is easier to use. Applications on Android phones can be obtained easily and for free, but one of the consequences is the frequency of advertising while using the app
What are the strengths and weaknesses of Apple OS?
-Strengths: Mac computers have a user friendly interface that has a reputation for being very intuitive. The Macintosh operating system is reliable and has relatively few viruses. Mac computers have an attractive design and are the industry standard for photo and video editing because of their outstanding graphics capabilities -Weaknesses: Mac computers are not as widely used and can only use Apple proprietary or licensed software. Apple devices tend to be more expensive. Mac OS X is not the best choice for gamers
What are the strengths and weaknesses of Linux OS?
-Strengths: Open source software that can be modified by users and is very secure. Free to download and use. Less susceptible to viruses -Weaknesses: Linux takes time and dedication to learn. There are some issues with program compatibility, making it difficult to run some programs when using Linux. There are many different companies that offer Linux-based OS
What are the strengths and weaknesses of Windows OS?
-Strengths: Windows personal computers are by far the most popular computers in the world and are used by most businesses and government agencies; they have the most available software and often the best prices since there's more. -Weaknesses: they are not as intuitive or as easy to use as Macintosh computers and that they are more prone to viruses and other computer problems than Macintosh computers
What are the characteristics of a traditional hard drive?
-read/write head -platter -stores data magnetically
Order the steps of the machine cycle:
1. Fetch 2. Decode 3. Execute 4. Store
What's the correct order of steps to defragment the hard drive?
1. Open disk defragmenter (start button, disk defragmenter) 2. Under current status, select the disk 3. Determine if the disk needs to be defragmented or not (analyze disk) 4. Click defragment disk
What's EULA?
A legal contract between the software manufacturer and the user of an application
Also card a video card. A graphics ___:
Adapter
A gigabyte is equal to 1 ___ bytes:
Billion
___ is also referred to as clockrate:
Clockspeed
Steve Jobs joined with Ross Perot to create the NeXT computer company. Its most famous product was the ___ computer:
Cube
When referring to management information systems, DSS stands for ___ support systems:
Decision
SAGE was developed by the U.S. Department of ___:
Defense
___ Subscriber Line Internet service uses phone lines:
Digital
What's a network license?
Enables everyone on a network the right to use software
It's a good idea to edit or remove ___ in LinkedIn that do not accurately reflect your skill set or experience:
Endorsements
When referring to business information systems, ERP stands for ___ resource planning:
Enterprise
The output that creates a visual image is called ___:
Graphics
Frequency is measured in:
Hertz
What company is the world's largest manufacturer of processors?
Intel
Processor manufacturers:
Intel, NVIDIA, AMD
A digital device that accepts input, processes and stores the input, and provides output is a ___:
Modem
Network ___ Systems are designed to support the sharing of resources including databases, workstations, applications, and resources on a local area network
Operating
1,000 terabytes:
Petabyte
Smallest element of an image:
Pixel
Offers internet service virtually anywhere:
Satellite
Measured diagonally. ___ size:
Screen
What are applets?
Small application programs that are often utility programs that perform less complex operational functions. Applets are commonly used to execute tasks in the Control Panel of Microsoft Windows
What's a site license?
Software installed on the device of qualified users who request the software inside an organization
The results are placed in memory before the next instruction is executed:
Store
Programs that offer the structure and hardware control necessary to run the computer and its peripheral devices are called ___ software:
System
What's a control panel?
The system management tool in the Windows operating system. System management tools allow you to change computer settings, manage tasks, install and uninstall programs and many other options
When referring to management information systems, TPS stands for ___ processing systems:
Transaction
A coding standard using at least 16 bits to represent a character of information:
Unicode
What are utility programs?
Utility programs are included with both Mac and Windows operating systems. Utility programs perform maintenance type tasks including disk cleanup, file maintenance, file search, system backup and restore
Name some popular OSs:
Windows OS - most common for personal computers Mac OS - used on Apple computers Android OS - most common phone OS iOS - Operating system used on iPhones
1 billion bytes:
gigabyte
1 core =
1 ALU + 1 control unit
Single core processor:
1 core
Kilobyte = Megabyte = Gigabyte = Terabyte = Petabyte = Exabyte =
1 thousand bytes 1 million bytes 1 billion bytes 1 trillion bytes 1,000 bytes 1,000 terabytes 1 million
Which of the following is true about the Android OS? 1. It's based on the Windows OS 2. It's widely used for smartphones 3. It's a widely used OS for tablet computers 4. It's a widely used OS for iPhones
1, 2, and 3
Which of the following are strengths of Linux OS? 1. It's open source that can be modified 2. It's widely used in Apple devices 3. It' free to download and use 4. It has solid security features and is less susceptible to viruses
1, 3, and 4
Rank storage capacities from lowest to highest:
1. Petabyte 2. Terabyte 3. Gigabyte 4. Megabyte 5. Kilobyte
What are the steps of the boot process?
1. The device is powered on and the CPU activates BIOS 2. The power-on self-test is activated 3. The OS is loaded into RAM 4. Th OS checks the registry settings and loads saved configuration settings
What's the following? 1. Web 1.0 2. Web 2.0 3. Web 3.0
1. The web before blogs, wikis, and interactive media 2. Cloud computing - interactive web 3. Semantic web; searching for information is easy
What's an operating system?
A computer's platform; the platform of a computer controls all of the functions of a computer. The platform determines which applications can be used on a device
What are database programs?
A database is an organized collection of data. Database management software combines structuring data with tools to manage the data. Common Database Terms Include: Field Record Query Primary Key Form Report
The ___ coding language uses 8 bits to represent a byte of information:
ASCII
Information and instructions about where the data should go inside the digital device are transferred via the ___ bus:
Address
Network hypertexting was developed ___ the graphical user interface:
After
What's Android OS?
Android OS is a Google product. Found in a variety of digital devices including phones and tablet computers, and laptops Chromebook computers also use the Android operating system
Bus width is measured in ___:
Bits
A channel over which information flows inside a computer:
Bus
What's overclocking?
Changing processor settings so computers run faster than recommended by the manufacturer; can overheat the computer and void warranties
Business management software that encompasses nearly all business activities in a corporation is called ___ software:
ERP
The processor completes the instruction:
Execute
When referring to management information systems, ESS stands for ___ support systems:
Executive
An instruction is obtained from memory:
Fetch
What are some internet service options?
Fiber optic, cable, and satellite
___-___ cable service offers the fastest internet:
Fiber-optic
An image or video:
Graphics
What's productivity software?
Productivity software is a specific type of application designed to allow users to work more efficiently. Traditional productivity applications (apps) include Microsoft Office and other business apps. Productivity apps are broken into two categories: productivity apps for individuals and productivity apps for businesses. If there is a specific task to be done there is more than likely a productivity app you can use that will help you to accomplish the task in a more efficiently
Largest memory in a computer, connected to the processor via the front side bus:
RAM
___ is actually storage since it retains data and information when the power has been turned off:
ROM (Read-only memory)
Extremely small piece of memory located throughout the processor:
Register
clarity of an image:
Resolution
What are word processing programs?
Word processing programs are used to create an assortment of documents. Word processing programs can also be used for desktop publishing, that is, creating documents that are ready for print. Word processing programs can also be used to create basic Web pages that are saved using Hypertext Markup Language (HTML). Common word processing programs include Microsoft Word, Apple Pages, and Google Docs
The number of bits that can be processed at one time during one machine cycle is a processor's ___:
Word size
Amount of data a processor can hold and process at one time:
Wordsize
Describe Apple OS:
Apple/Macintosh operating systems are designed and distributed by Apple Inc. and are known for being very easy to use. Apple operating systems are found in a variety of digital devices including phones, tablets, and laptops. Macintosh computers are the industry standard for photo editing, film/movie development, graphic design, etc.
Uses coaxial cable to deliver internet signals:
Cable
Hard drive ___ is the amount of storage you have available to save data and information:
Capacity
This service provides internet service to smartphones:
Cellular
The instructions are converted into something the computer can understand:
Decode
Field vs. record:
Field: A column in a database, record: a row in a database
Typical hard drive capacities would be measured in ___:
Gigabytes or terabytes
One billion instructions per second:
Gigahertz
What's the fastest? Hertz, megahertz, or gigahertz?
Gigahertz, megahertz, then hertz
Memory located on the processor itself:
L1 cache
Popular free and open-source software made by Linus Torvalds:
Linux
What's Linux OS?
Linux is free and open-source software that can be used and modified by anyone for free. Linux is the most common OS on servers, mainframes and supercomputers. Linux is also the underlying OS for most video game consoles and embedded computers as well as the underlying software for the Android OS
When referring to business information technology, MIS stands for ___ information systems:
Management
When referring to management information systems, SCMS stands for supply chain ___ software
Management
One million cycles per second:
Megahertz
A relatively small area of memory quickly accessible by a processor:
Memory cache
Two+ complete processors residing on the same chip and can execute two or more sets of instructions at a time is called a ___-core processor:
Multi
Max resolution of a display device. ___ resolution:
Native
Can a digital device function without a processor?
No
The control unit performs all arithmetic operations in a digital device?
No
Who is Linux owned by?
No one
Is RAM a permanent storage area? Is 1GB of RAM sufficient for most laptops?
No; no
What are presentation programs?
Presentation programs aid in creating visual aids that can be projected on a screen or displayed on a digital display. Common Presentation Program Terms Include: Slide Slide Show Slide Master Speaker Notes
What's a single-user license?
Restricts the use of software to one user at a time
What are spreadsheet programs?
Spreadsheets are used to format and display numbers and text in cells. Common spreadsheet terms include the following: Worksheet: Single page within a workbook Workbook: A collection of related worksheets Cell reference: Identifies the location of a cell in a worksheet Formula: A mathematical operation used to perform calculations Function: Built-in formulas included in a spreadsheet program
What are tasks performed by utility programs?
System backup and restore, disk cleanup, and file search
What's the system management tool in the Mac OS?
System preferences
What category of management information systems focuses on tracking sales and inventories?
TPS
Describe Windows OS:
Windows operating systems are used in a variety of Microsoft's digital devices including desktops, laptops, phones, and tablet computers. Windows 10 is the latest version of Windows. Windows is owned by Microsoft