Computer Science

Front 1

In RAPTOR, a variable does not have a value until a progam instruction gives it a value. (true or false)

Back 1

True

Front 2

Using a sub-chart and a call symbol to break an algorithm in to sub-processes, design the subprocesses separately, and simply call them to run when we need them is an example of:

Back 2

Process Abstraction

Front 3

What is the language used to add objects to Google Earth?

Back 3

KML

Front 4

When analyzing requirements with multiple variable inputs it is best to use a __ to ensure all possibilities have been covered:

Back 4

Decision Table

Front 5

The hardware component used to control the operation of a computer system is:

Back 5

Central Processing Unit (CPU)

Front 6

RAM has many advantages over an internal hard drive, but we don't exculsively use RAM because:

Back 6

It is volatile and expensive

Front 7

Movies are generally distributed on what type of storage?

Back 7

Optical

Front 8

What is ASCII?

Back 8

American Standard Code for Information Interchange, standard 8-bit coding

Front 9

What is the smallest dot that a monitor can display?

Back 9

Pixel

Front 10

What is the remove of some light by adding additional color?

Back 10

Subtracive
(opposite = additive)

Front 11

What is a byte?

Back 11

8 bits

Front 12

What discard "extraneous" information, such as imperceptible color differences

Back 12

lossy

Front 13

What compression information but does not discard any information?

Back 13

Lossless

Front 14

In an audio file we take __ to be able to reconstruct the orginal wave.

Back 14

samples

Front 15

What is a precise, step-bystep set of instructions for solving task.

Back 15

algorithm

Front 16

What three think do you need for a valid algorithm

Back 16

unambiguous, executable, and ordered

Front 17

For any given, non- trivial (or set of related tasks,) there are __ possible algorithms for accomplishing the task.

Back 17

many

Front 18

An algorithm does not -- the underlying theory behind the instruction steps.

Back 18

encode

Front 19

Some algorithms are more -- than other algorithms

Back 19

efficient

Front 20

Computer programs that are used over many years typically must be -- over time to adapt to changes in task --.

Back 20

modified, requirements

Front 21

A variable can have its value set (or changed) in one of three ways:

Back 21

1. By the value entered from an input statement. 2. By the value calculated from an equationin an assignment statement. 3. by a reture value from a procedure call

Front 22

What is the physical, tangible components that you see when you look at your computer?

Back 22

hardware (opposite = software)

Front 23

___ software manages the hardware resources of a computer.

Back 23

system

Front 24

___ software performs user needed tasks, such as sending an email.

Back 24

Application

Front 25

software that is developed " for the masses"

Back 25

COTS- Commercail off the Shelf

Front 26

software that is developed for a limited number of users

Back 26

Custom software

Front 27

A user purchases a license to a software system but the software publisher retains the ownership of the software

Back 27

Proprietary License

Front 28

The software publisher tetains copyrights to the software, but grants ownership of the software to the user

Back 28

Open Source license

Front 29

What are the three ways uses gain use of software

Back 29

Commerical software (pay), Shareware (downloaded for free for limited time), Freeware ( downloaded and use forever free)

Front 30

guarantees that new software can still use data created from earlier versions of a software system

Back 30

Backward compatibility
(forward compatibility- both ways)

Front 31

A unique entity in Access

Back 31

primary key

Front 32

What are the four categories of threats:

Back 32

interception, modification, fabrication, and interruption

Front 33

What are the four security goals?

Back 33

confidentiality, data, integrity, authenticity, and availability

Front 34

A process by which a message is transformed into another message using a mathematical function

Back 34

Encryption

Front 35

ciphertext is transformed back into plaintext

Back 35

Decryption

Front 36

When you have a public and private key.

Back 36

Asymmetric
(same for both symmetric)

Front 37

A representation of an actual system

Back 37

model

Front 38

the imitation of the operation of a real-world process or system over time

Back 38

simulation

Front 39

defined using differential or
difference equations which contain variables that can change continuously over
time

Back 39

continuous models
(which are discrete and dynamic)

Front 40

There are those models that
do not rely on time in the execution of the model

Back 40

static

Front 41

Some models give the same answer given the same input every time they
are executed.

Back 41

deterministic

Front 42

step where it is determined
that whatever method is utilized, software, physical, mathematical, or
hardware, that that method was properly implemented, that there are no
coding errors, the mathematical formulas are correct for the design, etc.

Back 42

verification

Front 43

the step where an outside person determines that the model you
designed is representative of the system/problem you are studying

Back 43

Validation

Front 44

Type of hardware; control the
interaction between all other components in the system

Back 44

Processors

Front 45

The most prominent processor in
your computer is the

Back 45

Central Processing Unit. CPU

Front 46

components are responsible for saving data long-term. The most important storage device in most computers is the

Back 46

hard disk drive (HDD

Front 47

responsible for saving data
temporarily—that is, to keep track of what the computer is doing at the moment

Back 47

Memory

Front 48

The primary
memory component in a computer

Back 48

random access memory (RAM).

Front 49

gives a rough idea of the highest number of
instructions it can execute per second.

Back 49

clock speed

Front 50

CD and DVD drives, use light to read and write data

Back 50

Optical storage

Front 51

uses electronics to represent the two states of zero and one. Thus, it uses no
moving parts, which allows it to be more durable, reliable, and power-efficient.

Back 51

Solid state storage

Front 52

Operating system; used to control
machinery, scientific instruments and industrial systems.

Back 52

Real-time operating system

Front 53

Operating systems
Name the six

Back 53

•Processor management
•Memory management
•Device management
•Storage management
•Application interface
•User interface

Front 54

If enough processes are started, and if the operating system hasn't been carefully designed, the system can begin to use the vast majority of its available CPU cycles to swap between processes rather than run processes

Back 54

Thrashing

Front 55

-- This is fast, relatively small amounts of memory that are available
to the CPU through the fastest connections

Back 55

High-speed cache

Front 56

This is the RAM that you see measured in megabytes and gigabytes
when you buy a computer.

Back 56

Main memory

Front 57

This is most often some sort of rotating magnetic storage that
keeps applications and data available to be used, and serves as virtual RAM under the
control of the operating system.

Back 57

Secondary memory

Front 58

most common and enduring form of removable-storage

Back 58

Magnetic storage

Front 59

networked computers require data to be arranged in a particular order and format for
more efficient communication. There is a mutual understanding between the sending and receiving computers that, for example, the sender's address constitutes the first 24 bits, followed by the receiver's address in the next 24 bits, and so on

Back 59

Protocol

Front 60

unique numerical address assigned to each computer that communicates on the Intern

Back 60

IP address

Front 61

search engine software

Back 61

user interface

Front 62

http.

Back 62

Protocol

Front 63

"cnn.com"

Back 63

domain

Front 64

.com, .edu, .net,

Back 64

top-level domains

Front 65

www.

Back 65

Subdomain