dig 2000 final exam Questions And Answers Latest Updates
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Course
Dig 2000
Institution
Dig 2000
what is basic - ️️one of the earliest programming languages, used to talk to a
computer and create a program
what was the altair program? - ️️"altair" microcomputer was known as the "spark"
that started personal computing
• "the medium is the message" - ️️noticing change new techn...
dig 2000 final exam
what is basic - ✔️✔️one of the earliest programming languages, used to talk to a
computer and create a program
what was the altair program? - ✔️✔️"altair" microcomputer was known as the "spark"
that started personal computing
• "the medium is the message" - ✔️✔️noticing change new technology will bring
was a person who solved problems - ✔️✔️computer
3 things a computer does - ✔️✔️• Stores and retrieves data
• Manages communication networks
• Manipulates text graphics and sound
4 steps of a computer - ✔️✔️1-gathers input
2-turns it to math
3-processes equation
4-pushes back out
performed decibel operations - ✔️✔️vacuum tube
decibel - ✔️✔️measures the intensity or loudness of a sound/ electrical signal
1st dig computer came out in - ✔️✔️1943/45
1st digital computer could - ✔️✔️mult, divide, and store a 10 digit number
what comp 1st had a vacuum tube - ✔️✔️1st digital computer
who didnt believe in a future for comps - ✔️✔️Chairman of ibm (who made business
machines)
was computer that had stored program - stored on tape and ran at 2.25 megahertz -
✔️✔️univec
comp developed for science, engineering, and business - ✔️✔️univec
Popular mechanics magazine in 1949 said - ✔️✔️comps in future may only weigh 100
tons
,1945 john von newman wrote _______ that included _____ - ✔️✔️von newman
architecture
created set of rules for comp architecture
john von newmann's steps of computer - ✔️✔️FETCH
DECODE
AND EXECUTE
computer information goes from code to - ✔️✔️processor, execute, then output
HTML documents are - ✔️✔️text files
Dynamic HTML is a combination of ______ - ✔️✔️HTML, CSS and JavaScript
______ are markup codes in HTML docs that tell the Web browser how to format the
text - ✔️✔️tags
what are plain text files called? - ✔️✔️HTML docs
Is Dynamic HTML a special programming language by itself? - ✔️✔️No
____ are Style sheets for HTML elements. Multiple style sheets can be combined. -
✔️✔️CSS
XHTML - Stands for Expired Hypertext Markup Language
It is a former code that is being phased out of newer browsers. - ✔️✔️false
Special codes that tell the Web browser how to display the HTML document -
✔️✔️markup tags
T/F
A digital image captured at a higher resolution, captures more details and has a larger
file size than it would have if it had been captured at a lower resolution. - ✔️✔️true
a point sample, not a little square - ✔️✔️Pixel
A 1-bit color depth allows _____ colors. - ✔️✔️2
An 8-bit color depth allows _____ colors. - ✔️✔️256
Bitmapped images are composed of _____. - ✔️✔️individual pixels
, spatial samples of the image or scene (not clean cut)
Vector graphics are composed of _____ - ✔️✔️individual pixels
represent spatial mathematical descriptions of image elements (clean cut)
when you magnify a computer image and straight lines look jagged - ✔️✔️aliasing
what file type supports lossy compression - ✔️✔️jpg
what file type supports lossless compression - ✔️✔️TIF, PNG, GIF, BMP
lossy compression - ✔️✔️image quality is lost as file size decreases
lossless compression - ✔️✔️no data lost when compressed
What are the primary colors in the RGB color model? - ✔️✔️red, green, and blue
What are the primary colors in the CMY color model? - ✔️✔️cyan, magenta and yellow
What is the color mixing method for the RGB color model? - ✔️✔️additive
What is the color mixing method for the CMY color model? - ✔️✔️subtractive
another type of switch besides vacuum tubes that was smaller - ✔️✔️transistor
allowed radios to be portable - ✔️✔️transistor
_______ developed a spinning disk for random access - ✔️✔️IBM
what did the spinning disk allow? - ✔️✔️the computer could randomly access any part
of the program
nonlinear access of info
computer in the 50s was called - ✔️✔️main frame computer
1st mini computer came out in - ✔️✔️1957
the mini computer was the 1st computer to use....... - ✔️✔️direct memory access
1965 the cheapest computer came out costing ____ and used _______ language -
✔️✔️$10,000
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