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