WorksheetsUltimate Quiziz Pt 2
Total questions: 16
Worksheet time: 10mins
Which of the following is not an IoT device
Washing Machine
Thermostat
Surface Pro tablet
Security system
Two of the basic functions of an OS is to provide an interface between the user and the computer as well as interact with the system hardware and input/output
True
False
Which of the following is a compiled programming language
Java
JavaScript
C++
Linux
Code written in a query language, such as Structured Query Language (SQL), is designed to (a) specific records from a dataset.
Most programming languages support container types called _______ that can grow or shrink in size as elements are added or removed.
vectors
delimiters
query
array
When using POP3, the messages are usually deleted from the server when they are downloaded, though some clients have the option to leave them on the server.
True
False
(a) supports permanent connections to a server and connecting (b) clients to the same mailbox simultaneously. It also allows a client to manage the mailbox on the server, to (c) messages in (d) and control when they are deleted for instance, and to create multiple mailboxes.
What does Internet Message Access Protocol 4 (IMAP4) allow a user to do that Post Office Protocol 3 (POP3) does not?
Download and send attachments to other email users
Save emails locally rather than on a central email server
View the same email from many different devices
Use an unlimited amount of inbox storage space
Which of the following statements best describes data persistence?
Persistent data in a database consists of that group of rows in a table that is viewed and updated most frequently.
Data in memory is lost once the processing is completed. Data in a database is stored persistently and securely so that it can be used again in the future.
Data persistence refers to the length of time an item of data is stored after it is no longer of value to the user.
Data in a database is protected by a password and persistently checked against intrusion.
Why would a flat file system not be the optimum choice for data storage for an online shopping cart application?
Flat file systems are not used for permanent and long-term data storage.
Flat file systems are no longer supported by most programming languages.
A flat file system doesn't support multiple concurrent users.
A flat file system is a more complicated file structure than a database.
What is the relationship between queries and reports?
A query selects and retrieves the correct data, whereas a report formats and summarizes the output.
A query produces output on the screen and a report produces output on the printer.
A report filters the data values to provide only the needed data and a query retrieves it.
“Report” and “query” are really two terms for the same thing.
the “blueprint” of a database which describes how the data may relate to other tables or other data models.
(a)
Which of the following service would be most affected by weather
cellular
DSL
fiber
none of these
What purpose does branching in programming serve?
It is the process of declaring variables for specific conditions to condense a program.
It controls flow within a program based on specific conditions
It uses only text strings to increase efficiency during program execution.
It stacks conditions in order to streamline the program.
How is pseudocode used in programming?
It is used to write informal programming code that is readable by humans.
It is used to write formal code that is readable by machines.
It is used to write formal programming code that is readable by humans.
It is used to write informal code that is readable by machines
Your team is developing a program and would like to create a visual representation of how it works. Which type would be most helpful?
Pie chart
Planning report
Venn diagram
Flowchart
