Computer Literacy Final - 2014
An extranet is essentially a small version of the Internet that exists within an organization
False
Cable television (CATV) wiring often uses twisted-pair cable because it can be cabled over long distances than coaxial cable
False
If a company opts for in-house software development, the design an implementation phases of the system development cycle become quite limited
False
Larger companies often have one system analyst or even one person that assumes the roles of both systems analyst and programmer
False
Like the do-while control structure, the do-until control structure continues to loop while the condition is true
False
Non procedural languages are more difficult to use than procedural languages
False
RAM technology uses battery power to retain information even when the power to the computer is off
False
The amount of RAM necessary in a computer is unrelated to the type of software used
False
The last step in acquiring the necessary hardware and software is to identify all the hardware and software requirements of the new or modified system
False
The program development cycle begins at the start of the planning phase in the system development cycle
False
The system analyst may skip many of the activities in a detailed design when developing custom software
False
Programs developed using the top-down approach can result in redundant program code that must change every time the structure of data changes
True
Standards are often implemented using a data dictionary
True
Telephone networks, the Internet, and other networks with large amounts of traffic use ATM.
True
The program development life cycle is part of the implementation phase, which is part of the system development life cycle
True
Wireless access points have high-quality antennas for optimal signals
True
With relational database systems, during database design the system analyst defines the structure of each table in the system, as well as relationships among the tables
True
Communications software usually is bundled with the operating system or purchased network devices
True
For radio transmissions, a transmitter is needed to send the broadcast radio signal and a receiver to accept it
True
Having Plug and Play support means you can plug in a device, turn on the computer, and ten immediately begin using the device
True
If you use a standard word processing program, such as Word, to enter code, it must be saved as an ASCII file, instead of as a formatted word processing document
True
In developing a computer security plan, the CSO should recognize that some degree of risk is unavoidable
True
It is crucial that everyone is aware of and agrees on any changes made to the project plan
True
Manufacturers often identify cables by their connector types to assist users with purchasing a cable to connect to a peripheral
True
Most computers use flash memory to hold their start up instructions because it allows the computer easily to update its contents
True
