CPSC 110 exam 3
Hexadecimal is base _____.
16
GIF images are limited to ___ colors.
256
A digital-to-analog converteer a. changes digital information to analog waves b. converts continuous sound to digial sound c. converts sound to an electrical signal d. sets approximate values
A
Converting code that programmer writes into assembly code is called a. compiling b. assembling c. F/E cycle d. integrating
A
People tend to be sensitive to small changes in __________, but not to small changes in _____. a. brightness, color b. color, brightness c. brightness, contrast d. color, contrast
A
The math in the computer is done by the ___.
ALU
Algorithms are guaranteed to work a. 99.9% of the time b. 100% of the time c. depends on the computers they are running on d. 50% of the time
B
Algorithms are used by a. only computer b. only humans c. various agents d. no one, they are not real
B
Algorithms must always a. produce output b. produce output or state that there is no solution c. produce input or state that there is no solution d. state that there is no solution
B
Analog information is a. discrete b. continuous c. random d. digital
B
Do GIF files display vertical or horizontal bands better? a. vertical b. horizontal c. neither d. both
B
From smallest to largest, the correct order of prefixes is a. giga, kilo, mega, tera b. kilo, mega, giga, tera c. tera, kilo, mega, giga d. kilo, mega, tera, giga
B
How many algorithms can solve one specific problem? a. only one b. many c. it depends on the type of algorithm
B
How many symbols can be represented by four bits? a. 12 b. 16 c. 36 d. 256
B
If an algorithm is performed with the same data, at different times with different agents the output will be a. the same b. different c. sometimes different and sometimes the same d. impossible to tell
B
If this.Opacity += 1.0; increases the opacity, what line of code would decrease the opacity? a. this.Opacity = 1.0; b. this.Opacity -= 1.0; c. this.Opacity ++ 1.0; d. this.Opacity -- 1.0;
B
Information describing information is called a. special information b. metadata c. special-data d. formatting
B
K bits in a sequence yield how many symbols? a. K^2 b. 2^K c. K d. 2
B
PandA representation is what kind of system? a. decimal b. binary c. hexadecimal d. byte
B
Raymond Kurzweil is known as the inventor of a. computer science b. text-to-speech generation c. image compression d. virtual reality
B
Rerunning a program with the same data produces a. different results depending on the time of day b. exactly the same result every time c. different results depending on which computer it is run on d. the same results most of the time but sometimes it is diferent
B
What has made computers faster? a. making everything out of silicon b. making everything smaller c. making everything farther apart d. making the F/E cycle more complicated
B
When writing an algorithm in a natural language it is helpful to use _____ instead of ________. a. programming language, natural language b. nouns, pronouns c. abbreviations, actual words d. nouns, adjectives
B
Which of the following is used for input and output? a. keyboard b. hard disk c. mouse d. computer
B
The ____ ____ _________ ______ _________ states that bits can represent all discrete information even though the bits have no meaning of their own.
Bias Free Universal Medium Principle
______ ______ ____ is a long list of words, more accurately, a long list of series of 0's and 1's that make up a computer program.
Binary object file
________ encode information on DVDs and CDs.
Bumps pits
A machine instruction uses how many bytes of memory? a. 1 b. 2 c. 4 d. 128
C
According to the Nyquist rule, the sampling rate for sound should be roughly a. half of what humans can hear b. the same as what humans can hear c. twice what humans can hear d. three times what humans can hear
C
An algorithm is a(n): a. list of general nonspecific steps to produce an output b. logarithm c. systematic method for producing a specified result d. math problem
C
Modern computers know a. only a few instructions b. a couple dozen instructions c. about a hundred instructions d. thousands of instructions
C
This defines how characters relate to each other when they are compared. a. digitizing b. binary sequence c. collating sequence d. information representation
C
When using physical phenomena to encode information, name one potential solution if there are more than two alternatives. a. there is no solution b. adopt them all as present c. adopt one as present and all the other alternatives as absent d. adopt them all as absent
C
Which of the following characteristics of a computer depends on the number of Fetch/Execute Cycles it performs per second? a. memory size b. price c. speed d. ALU
C
_________ deterministically execute instructions to process information.
Computers
Jessica Simpson's "A Little Bit" is 3 minutes 47 seconds long. How many bits is this? a. 1,411,200 b. 40,042,800 c. 84,672,000 d. 320,342,400
D
Put the following binary values representing the intensity of green in order from least intense to most intense: 1111 1100, 1111 1111, 1100 0000, 1111 0000. a. 1111 1100, 1111 1111, 1100 0000, 1111 0000 b. 1111 1111, 1100 0000, 1111 0000, 1111 1100 c. 1111 1111, 1111 1100, 1111 0000, 1100 0000 d. 1100 0000, 1111 0000, 1111 1100, 1111 1111
D
The RGB setting for blue is (0 is off, 1 is on) a. 0000 0000 0000 0000 0000 0000 b. 1111 1111 0000 0000 0000 0000 c. 0000 0000 1111 1111 0000 0000 d. 0000 0000 0000 0000 1111 1111
D
The accuracy of a digitized sound is determined by a. the sampling rate b. the precision of the sample c. the size of the digitized file d. all of the above
D
The processor has how many moving parts? a. too many to count b. 8 c. 2 d. 0
D
What was used to help structure the digitized Oxford English Dictionary? a. bytes b. sets c. ASCII d. tags
D
__________ is representing information with symbols.
Digitizing
Grouping binary digits in groups of four makes converting to _____ easier.
Hex
_____________ is the term used when digital values are converted to create an analog sound.
Interpolation
___ sound removes the highest and lowest samplings as part of its compression algorithm.
MP3
JPEG is to still images what ____ is to motion pictures.
MPEG
_________ ______ is a program that extends the operations a computer can perform beyond the hardwired machine instructions.
Operating system
_______ is the name we use for the two fundamental patterns of digital information based on the presence and absence of a phenomenon.
PandA
___ is an acronym for the name of the location where computer programs run and data is stored.
RAM
_____ __ _____ is the limit that defines the maximum rate that information can be transmitted.
Speed of light
Every memory location has a(n) _______.
address
The number of digits is the _____ or the _____ of the numbering system.
base, radix
All colors with equal intensities of RGB subpixels are either _____, _____, or shades of gray.
black, white
RGB values are usually stored as three ______.
bytes
On the computer, ___________ means to store or transmit information with fewer bits.
compression
To increase the ________ of a photo, you should increase the difference between the light and dark parts.
contrast
The _______ ____ part of the computer is the hardware part of the Fetch/Execute Cycle.
control unit
A program is an algorithm that has been __________ __ __ _ ________ ____.
customized to do a specific task
In OCR, each pixel is an estimate of how ____ the corresponding area is.
dark
Information is said to be ______, or distinct; there is no gray.
discreet
A ______ is required for every peripheral connected to your computer.
driver
The more symbols you want, the more ______ you need.
encoded
Algorithms must be ______; they eventually stop with the right output or a statement that no solution is possible.
finite
The flow of electricity in a channel in a semiconductor is controlled by a(n) ______________.
gate/transistor
Algorithms must be definite. They must not specify ordered steps, including details on how to ______ ______.
handle errors
In addition to fetching instructions, the F/E cycle also fetches ________.
hardware
The computer's clock speed is measured in _____.
hertz
Pixel color is determined solely by the _________ of the color.
intensity
The ________ encodes keystrokes into binary form for the computer.
keyboard
Programs containing _____ cannot be verified exhaustively.
loops
When converting analog sound to digital sound, using ____ bits yields a more accurate digitization.
more
Without the _________ ______, the processor is not capable of doing anything interesting.
operating system
A process that allows the computer to "read" printed characters is called _______ _________ ___________.
optical character recognition
PandA is short for __________.
present and absent
The _______ _______ keeps track of the next instruction to execute.
program counter
A(n) _____________ sometimes conducts electricity and sometimes does not
semiconductor/silicone
The active and connective parts of a circuit are built ________.
together
The steps in an algorithm must be ___________ so that the agent is able to do it.
unambiguous
