The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.

A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.

The term computer describes a device made up of a combination of electronic and electromechanical components． By itself, a computer has no（ ）and is referred to as hardware, which means simply the physical equipment． The hardware can&39;t be used until it is connected to other elements, all of which constitute the six parts of a computer-based information system, hardware, software, data/information, people, procedures and communications． A system is defined as a collection of related components that（ ）to perform a task in order to accomplish a goal． Any organization that uses information technology will have a computer-based information system to provide managers (and various categories of employees) with the appropriate kind of information to help them make decisions． Systems analysis and design is to ascertain how a system works and then take steps to make it （ ）Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ ） From time to time, organizations need to（ ）their information systems, in, response to new marketing&39; opportunities, modified government regulations, the introduction ．of new technology, merger with another company, or other developments． When change is needed, the time is ripe for applying the principles of systems analysis and design．

Virus Security Software is designed to detect, eliminate or quarantine computer viruses before they are able to harm a computer or server networked system.

A segregated ballast system is a system where （）.

A high cube container is designed specifically to（）.

●An Embedded System is a (72)designed for specific control functions within a larger system.

Which storage system is this statement describing: A high-end, disk storage system with a virtualized grid architecture designed to eliminate the complexity of storage administration and make managing storage easy.（）

A （）, sometimes called filters, is a device designed to prevent the passage of unwanted solids into the system.

（）sometimes called filter, is a device designed to prevent the passage of unwanted solids into the system.

rogram propagates itself by modifying other programs to include a possibly changed copy of itself and that is executed when the infected program is(67). A virus often causes damage or annoyance and may be triggered by some event such as the occurrence of a predetermined date.Worm is a self-contained program that can propagate itself through data processing systems or computer networks. Worms are often designed by hackers to use up(68) resources such as storage space or processing time.Trojan horse implies by the name an apparently harmless program containing(69) logic that allows the unauthorized collection, falsification or destruction of data. Logic bomb causes damage to a data processing system when triggered by some specific system condition. Time bomb is also a malicious program being activated at a(70) time.

●A (68) is a feature of the system or adescription of something the system is capable of doing in order to fulfill the system's purpose.