Intro to IT Flashcards
(81 cards)
True/False
Hot storage is a low cost and slow means of storing critical data, while cold storage is high cost and fast.
False
Which of the following technologies was introduced in the fourth generation of computers?
A. Magnetic Core Memory
B. Microprocessors
C. Disk Drives
D. Integrated Circuits
B. Microprocessors
True/False
RAM is ephemeral, meaning data stored in RAM is lost when the computer is powered off.
True
What does the acronym IPOS stand for?
A. Identify, process, outcome, summary
B. Input, prepare, overview, save
C. Input, process, output, storage
D. Identify, post, optimize, storage
C. Input, process, output, storage
What is NOT part of data hygiene?
A. Data is valid
B. Lots of data
C. Free from malicious or inadvertent tampering
D. Data is good
B. Lots of data
Which of the following statements best defines the ALU?
A. The ALU is responsible for storing data as it is processed
B. The ALU retrieves the instructions of a computer program and the raw data that is input.
C. The ALU contains circuitry that performs operations on data such as addition and subtraction.
D. The ALU controls the speed at which instructions are retrieved and processed in the computer.
C. The ALU contains circuitry that performs operations on data such as addition and subtraction.
What external component will allow peripherals to be connected to the system unit and insert modem cards, wireless access cards, and other PC cards?
A. Hard drives
B. Bays
C. Ports
D. Slots
D. Slots
Which of the following type of transmission is paired correctly with the given media?
A. Fiber optic cable - light impulses
B. Coaxial cable - radio waves
C. Coaxial cable - light impulses
D. Fiber optic cable - electricity
A. Fiber optic cable - light impulses
A form of backup that creates a copy of everything that is on a hard drive including the OS, programs, and configuration files. This statement best describes which of the following?
A. Image backups
B. Data mirroring
C. Backup media
D. Incremental backups
A. Image backups
What is a tree-like structure of records in a database referred to as?
A. Flat file
B. Relational database structure
C. Hierarchical database structure
D. Field
C. Hierarchical database structure
True/False
The selection operation takes columns from one table and creates a new table
True
A typical database application has how many layers?
A. 2
B. 4
C. 6
D. Infinite
A. 2
True/False
In the design phase of the SDLC, architects think about the components they would need, to solve the problem or implement the plan.
True
_________________ are system development methodologies that propose incremental implementations, respond to rapidly changing requirements, and reduce the emphasis on rigorous requirements.
A. Waterfall
B. Prototyping
C. Extreme programming
D. Agile methods
D. Agile methods
Which of the following database categories is the most similar to a spreadsheet or MS Excel document?
A. Hierarchical
B. Isolated
C. Flat file
D. Relational
C. Flat file
What is a primary difference between a modern handheld computer and a modern desktop computer?
A. A handheld has more processing power
B. A desktop is more usable
C. A desktop has more processing power
D. A handheld is more usable
C. A desktop has more processing power
What does GUI stand for?
A. Graphic User Interchange
B. Graphic Utility Interface
C. Graphical User Interface
D. Graphical User Interchange
C. Graphical User Interface
True/False
IT functions cover these five different domains:
-communication
-data collection and management
-information security management
-consumer relationship management
-process improvement
True
Which is a database structure containing multiple tables (relations) with interrelated fields and has a unique identifier?
A. Hierarchical database
B. Flat-file database management system
C. Relational database
D. Data management
C. Relational database
Project managers work with project scope, the management plan, and SMART frameworks in this project phase.
A. Closing
B. Initiation
C. Executing
D. Planning
D. Planning
What is the collection of names, addresses, and account balances of all the patients of Mei’s office more technically known as?
A. Database
B. Key field
C. Record
D. Sheet
A. Database
Which statement is NOT true of compilers and interpreters?
A. All errors must be debugged before a compiler can compile the source code
B. Interpreters translate and execute one line of source code at a time.
C. Perl and Python are examples of programming languages that use an interpeter
D. Compilers do not translate source code into machine code
D. Compilers do not translate source code into machine code
As part of effective IT governance, the IT plan should be consistent with the organization’s what?
A. Information security plan
B. Business continuity plan
C. Business plan
D. Risk management plan
C. Business plan
True/False
A service portfolio is simply a list of the services the IT department offers
True