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Study sets matching "computer cst ib"

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Study sets matching "computer cst ib"

20 terms
CST: Computer Hardware
bar code scanner
card reader
digital camera
disk drive
bar code scanner
card reader
Computer Organization ~ CST 130
Computationally infeasible
Computer Organization
Benchmark
Computer Architecture
A complex program algorithm that are so complicated that it t…
Addresses issues such as control signals (how the computer is…
running a computer program, a set of programs, or other opera…
focuses on the structure and the behavior of the computer sys…
Computationally infeasible
A complex program algorithm that are so complicated that it t…
Computer Organization
Addresses issues such as control signals (how the computer is…
48 terms
IB Computer Science - Topic 2 - Computer Organization
machine instruction cycle
CPU (Central Processing Unit)
ALU (Arithmetic Logic Unit)
CU (Control Unit)
basic operation cycle of a computer; the process by which a c…
Primary component of a computer that processes instructions;…
An integrated circuit within a CPU that performs arithmetic a…
Part of the CPU that implements the microprocessor instructio…
machine instruction cycle
basic operation cycle of a computer; the process by which a c…
CPU (Central Processing Unit)
Primary component of a computer that processes instructions;…
20 terms
CST133 Parts of a Computer
Cooling Fan
Power Supply
CPU
RAM
Cooling Fan
Power Supply
15 terms
CST: Computer boot process & BIOS
booting
Hard boot
Soft boot
POST
The term _________ refers to the computer bringing itself up…
forcing a PC to turn on/off without letting the OS properly s…
involves using the operating system to shut down or reboot th…
The startup BIOS runs the ________ and assign system resource…
booting
The term _________ refers to the computer bringing itself up…
Hard boot
forcing a PC to turn on/off without letting the OS properly s…
11 terms
IB CST - Different Types of Justice
commutative justice
ex of commutative justice
ex of commutative justice
ex of commutative justice
what we owe each other individually
paying back debts
repairing a borrowed car you wrecked
employees fulfilling their duties and employers paying them a…
commutative justice
what we owe each other individually
ex of commutative justice
paying back debts
66 terms
Computer Service Technolgy, CST VOCAB
Data wiping
Bluetooth
Near Field Communication (NFC)
Post Office Protocol version 3 (POP3)
a method used to remove any sensitive data from a mobile devi…
a wireless technology that facilitates short-range wireless c…
a standard of communication for mobile devices, such as smart…
a protocol that enables an email client application to... retrie…
Data wiping
a method used to remove any sensitive data from a mobile devi…
Bluetooth
a wireless technology that facilitates short-range wireless c…
56 terms
IB Computer and Mobile phones
application
artificial intelligence
at the push of a button
child security
l'applicazione
l'intelligenza artificiale
a portata di mano
la sicurezza dei bambini
application
l'applicazione
artificial intelligence
l'intelligenza artificiale
25 terms
IB Computer Science Topic 2
ROM
RAM
cache memory
virtual memory
Read Only Memory- permanent memory. Computer retains memory e…
fast, temporary type of memory in which programs, application…
used to store frequently accessed data so it can e accessed w…
abstraction of main memory; extends the available of a system…
ROM
Read Only Memory- permanent memory. Computer retains memory e…
RAM
fast, temporary type of memory in which programs, application…
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
36 terms
IB Computer Science Topic 1
SaaS (Software as a Service)
The four types of changing to a new sy…
Parallel Running
Pilot Running
software distribution model in which applications are hosted…
parallel running, pilot running, direct changeover and phased…
both the old and new system run at the same time
one section of the business is trying out the new software wh…
SaaS (Software as a Service)
software distribution model in which applications are hosted…
The four types of changing to a new sy…
parallel running, pilot running, direct changeover and phased…
25 terms
IB Computer Science Topic 3
LAN
VLAN
WAN
SAN
Local area network. Computer network that interconnects compu…
Virtual LAN. Same as LAN but allows wireless connection. Soft…
Wide Are Network. Span large geographical area and consists o…
Storage Area Network. Used by businesses to obtain greater fl…
LAN
Local area network. Computer network that interconnects compu…
VLAN
Virtual LAN. Same as LAN but allows wireless connection. Soft…
190 terms
IB Computer Science: SL Vocabulary
A-D converter
address bus
algorithm
analog data
A device for converting analog signals into digital ones for…
Pathway from memory to processing unit that carries the addre…
An ordered set of well-defined instructions for the solution…
The representation and measurement of the performance or beha…
A-D converter
A device for converting analog signals into digital ones for…
address bus
Pathway from memory to processing unit that carries the addre…
Y12 ib computer
功能
广泛
查资料
网页
gōng néng - function
guǎng fàn extensive; wide range
(chá zīliào) - Search information
(wǎngyè) - web page
功能
gōng néng - function
广泛
guǎng fàn extensive; wide range
35 terms
Computer Networks IB
The Internet
Hotspot
STAR network topology
BUS network topology
The largest computer network in the world.
A location that provides wireless Internet access to the publ…
A network that uses a host device connected directly to ... seve…
A network that uses a central cable to which all network ... dev…
The Internet
The largest computer network in the world.
Hotspot
A location that provides wireless Internet access to the publ…
37 terms
IB Computer Science Computer Organization
CPU
ALU
CU
memory address register
A central processing unit (CPU) is the electronic circuitry w…
an arithmetic logic unit (ALU) is a digital circuit that perf…
The control unit is a component of a computer's central proce…
holds the memory location of data that needs to be accessed
CPU
A central processing unit (CPU) is the electronic circuitry w…
ALU
an arithmetic logic unit (ALU) is a digital circuit that perf…
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
32 terms
IB Computer Resources
Resource
Resource Leaks
Resource Contention
System Resource
any physical or virtual component of limited availability wit…
releasing a resource when a process has finished using it
when multiple processes wish to access a limited resource
A system resource is any usable part of a computer that can b…
Resource
any physical or virtual component of limited availability wit…
Resource Leaks
releasing a resource when a process has finished using it
48 terms
IB Computer Science - Topic 2 - Computer Organization
machine instruction cycle
CPU (Central Processing Unit)
ALU (Arithmetic Logic Unit)
CU (Control Unit)
basic operation cycle of a computer; the process by which a c…
Primary component of a computer that processes instructions;…
An integrated circuit within a CPU that performs arithmetic a…
Part of the CPU that implements the microprocessor instructio…
machine instruction cycle
basic operation cycle of a computer; the process by which a c…
CPU (Central Processing Unit)
Primary component of a computer that processes instructions;…
14 terms
IB Computer icons
Compose a new email
Reply to an email
Reply all to an email
Forward an email
Compose a new email
Reply to an email
244 terms
IB Computer Science - Key Words
Change management
Compatibility
Legacy system
Remote host
the detailed recording and updating of information that descr…
the capacity for two systems to work together without having…
an operating system no longer in widespread use, or that has…
a computer that resides in some distant location from which d…
Change management
the detailed recording and updating of information that descr…
Compatibility
the capacity for two systems to work together without having…
30 terms
IB Computer Science Networks
Network
LAN
WAN
VLAN
when two or more computers are connected with one another for…
is when a group of computers connect with one another over a…
comprised with two or more LANs over a large geographical are…
a type of network where computers behave as if they were on t…
Network
when two or more computers are connected with one another for…
LAN
is when a group of computers connect with one another over a…
190 terms
IB Computer Science: SL Vocabulary
A-D converter
address bus
algorithm
analog data
A device for converting analog signals into digital ones for…
Pathway from memory to processing unit that carries the addre…
An ordered set of well-defined instructions for the solution…
The representation and measurement of the performance or beha…
A-D converter
A device for converting analog signals into digital ones for…
address bus
Pathway from memory to processing unit that carries the addre…
16 terms
IB Computer Science Topic 4
GANTT Chart
preconditions
postcondition
abstraction
type of bar chart adapted by Karol Adamiecki. Look it up for…
(binary search) array must be sorted in ascending order prior…
(binary search)array is unchanged and either -1 is returned i…
process of taking away or removing characteristics from somet…
GANTT Chart
type of bar chart adapted by Karol Adamiecki. Look it up for…
preconditions
(binary search) array must be sorted in ascending order prior…
16 terms
IB Computer Science - 4.1 - Computational Thinking
Block-Arrow Diagram
Sub-Procedure
Decision-Making
Condition
a flowchart using geometric figures to show the data flow in…
a section of a computer program that is stored only once but…
in a program, if statements, if/else statements, and switch s…
a Boolean statement that allows different actions to be made…
Block-Arrow Diagram
a flowchart using geometric figures to show the data flow in…
Sub-Procedure
a section of a computer program that is stored only once but…
201 terms
Computer Science IB HL
System
User roles
Change management
Compatibility issues
An organised and purposeful structure that consists of interr…
The roles which workers have in a system. Normally used when…
Change management is the approach taken to deal with the diff…
Compatibility issues occur when data cannot be processed in d…
System
An organised and purposeful structure that consists of interr…
User roles
The roles which workers have in a system. Normally used when…
30 terms
IB Computer Science Networks
Network
LAN
WAN
VLAN
when two or more computers are connected with one another for…
is when a group of computers connect with one another over a…
comprised with two or more LANs over a large geographical are…
a type of network where computers behave as if they were on t…
Network
when two or more computers are connected with one another for…
LAN
is when a group of computers connect with one another over a…
218 terms
Computer Science IB Terms
abstract data structure
accessor
A-D converter
address bus
a way of organizing data and its related procedures and funct…
a method that does not alter the state of attributes of an ob…
Analog-digital converter. A device for converting analog sign…
Pathway from memory to processing unit that carries the addre…
abstract data structure
a way of organizing data and its related procedures and funct…
accessor
a method that does not alter the state of attributes of an ob…
244 terms
IB Computer Science
Change management
Compatibility
Legacy system
Remote host
the detailed recording and updating of information that descr…
the capacity for two systems to work together without having…
an operating system no longer in widespread use, or that has…
a computer that resides in some distant location from which d…
Change management
the detailed recording and updating of information that descr…
Compatibility
the capacity for two systems to work together without having…
15 terms
CST Unit 2 Computer Hardware 2 (with pics)
ATX case
Motherboard
CPU
Optical drive
The case holds all the computer's components. ATX is a standa…
The circuit board that contains the principle components of t…
Central processing unit. It has been covered with thermal pas…
Any drive that uses a laser to read/write discs. This one can…
ATX case
The case holds all the computer's components. ATX is a standa…
Motherboard
The circuit board that contains the principle components of t…
35 terms
IB Computer Science Control Systems
Inputs
Processing
Output
Examples
Sensors capture analog data, such as temperature, pressure, l…
The microcontroller or CPU makes a decision on the basis of t…
The system affects the outside world in some way, e.g. turnin…
Automatic doors... • Heating systems ... • Taxi meters... • Elevato…
Inputs
Sensors capture analog data, such as temperature, pressure, l…
Processing
The microcontroller or CPU makes a decision on the basis of t…
43 terms
IB Computer Science- Programming 4
Algorithm
Pseudocode
Flow chart
Process
A series of steps designed to solve a mathematical or other p…
A method of describing an algorithm using structured English…
A diagrammatic method of showing the structure and data flow…
A flow chart symbol that defines and processing to be complet…
Algorithm
A series of steps designed to solve a mathematical or other p…
Pseudocode
A method of describing an algorithm using structured English…
38 terms
IB Computer Science - Case Study 2017 - Computer Science in Medicine
Augmented reality
Augmented reality use in telemedicine
Bioinformatics
Bioinformatics for predictive diagnosis
a technology that places a computer-generated image on a user…
...
the application of computer technology to the management of b…
...
Augmented reality
a technology that places a computer-generated image on a user…
Augmented reality use in telemedicine
...
21 terms
Computer Science IB
Charles Babbage
Block functional diagram
User-Interface
Command-line interface
(1834) He concieved the basic structure and four main compone…
Shows components and modules in a system, with lines showing…
How the user communicates with the computer system, two types…
A type of user-interface in which the user reacts with the co…
Charles Babbage
(1834) He concieved the basic structure and four main compone…
Block functional diagram
Shows components and modules in a system, with lines showing…
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
34 terms
IB Computer Science Networks
Network
LAN
WAN
VLAN
when two or more computers are connected with one another for…
is when a group of computers connect with one another over a…
comprised with two or more LANs over a large geographical are…
a type of network where computers behave as if they were on t…
Network
when two or more computers are connected with one another for…
LAN
is when a group of computers connect with one another over a…
55 terms
IB Computer Science Option D
Constructor
Instantiate
Object
Class
In OOP a special type of method which has the same name as th…
The creation of an instance or particular realisation of an a…
When a class is instantiated the product is one of these. In…
An extensible program-code-template for creating objects, pro…
Constructor
In OOP a special type of method which has the same name as th…
Instantiate
The creation of an instance or particular realisation of an a…
12 terms
IB Computer Science Vocabulary
Array
Two Dimensional Arrays
Initializer List
Array Elements
An arrangement of data in one or more dimensions.... In programm…
A tabular arrangement of elements in which an element is spec…
An initializer list can be used to instantiate and initialize…
The values held in an array.
Array
An arrangement of data in one or more dimensions.... In programm…
Two Dimensional Arrays
A tabular arrangement of elements in which an element is spec…
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
19 terms
IB Computer Science - Command Terms
define
state
apply
calculate
Give the precise meaning of a word or phrase as concisely as…
Give a specific name or other brief answer. No supporting arg…
Use an idea, equation, principle, theory or law in a new situ…
Find an accurate answer using mathematical or other formal me…
define
Give the precise meaning of a word or phrase as concisely as…
state
Give a specific name or other brief answer. No supporting arg…
15 terms
IB Computer Science - Exam Review
feasibility report
cache memory
virtual memory
direct access
During the analysis stage it is important to document economi…
The purpose is to speed up the running of programs and it is…
This is needed when there is not enough main memory. For exam…
Records can be accessed fast because they can be read or writ…
feasibility report
During the analysis stage it is important to document economi…
cache memory
The purpose is to speed up the running of programs and it is…
15 terms
IB Computer Science Topic Five
Recursive methods
Characteristics of a two-dimensional a…
Characteristics of a stack
Applications of a stack
a method that calls itself from within itself
representing data with two varying aspects through rows and c…
last in, first out
pez dispenser
Recursive methods
a method that calls itself from within itself
Characteristics of a two-dimensional a…
representing data with two varying aspects through rows and c…
137 terms
IB Computer Science - Topic 1 - System Fundamentals
System
Input-Process-Output
Feedback Loop
The Context of a New System
The complete set of components that work together to carry ou…
Describes the structure of an information processing program…
Allows outputs to be fed back into a system as inputs to allo…
The extent and limitations of a new system. The organisations…
System
The complete set of components that work together to carry ou…
Input-Process-Output
Describes the structure of an information processing program…
27 terms
IB Computer Science Options
Object
Instantiation
Why are different data types needed
How can data items be passed to and fr…
a location in memory having a value, something that starts me…
creating a location in memory for the object
tell the computer how to interpret the binary values
obj.Method("data")
Object
a location in memory having a value, something that starts me…
Instantiation
creating a location in memory for the object
64 terms
IB Computer Science
Computer Program
Machine Language
Natural Language
Formal Language
A sequence of instruction in code carried out by a computer
A language in written in binary code, consisting of 0's and 1's
Spoken/evolved language (English, German, etc.)
Human generated language (Java, C#, etc.)
Computer Program
A sequence of instruction in code carried out by a computer
Machine Language
A language in written in binary code, consisting of 0's and 1's
83 terms
IB Computer Science Terms
Computer Program
Machine Language
Natural Language
Formal Language
Series of instructions that directs a computer to perform tasks
A program written in the basic, simple instructions that the…
Language that normal people use (like this sentence, for exam…
A language (like English) that is made up of strings of text…
Computer Program
Series of instructions that directs a computer to perform tasks
Machine Language
A program written in the basic, simple instructions that the…
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
124 terms
IB Computer Science REVISED
Optical Character Recognition (OCR)
Direct Changeover
Phased Introduction
Paralell Running
used for translation of images of handwritten, typewritten or…
the old system is immediately replaced by the new one.
Parts of the system are implemented at different times, each…
This is when both new and old systems are run together. This…
Optical Character Recognition (OCR)
used for translation of images of handwritten, typewritten or…
Direct Changeover
the old system is immediately replaced by the new one.
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
67 terms
IB Computer Science (SL)
A-D converter
address bus
arithmetic and logic unit (ALU)
CPU
Analog-digital converter; "digitizer"
pathway from memory to processing unit carrying addressin in…
part of the CPU that performs arithmetic, logic, and similar…
contains ALU, control unit, and registers
A-D converter
Analog-digital converter; "digitizer"
address bus
pathway from memory to processing unit carrying addressin in…
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