Options: a. Is determined by the presentation design and cannot be changed b. Is determined by the presentation design but can be changed in PowerPoint c. Is dependent on the amount of text within the organization chart d. B and c
Options: in the late 1980s for the Defense Ministry of US., in the early 1960s for military communication systems, mainly to handle speech, in the late 1950s for Defense Ministry of US, All of the above
Which of the following is true concerning personal computers?
Options: They decrease the demand for mainframe computers, They have been most successful in the home, The electronic spreadsheet has been a primary reason for their popularity, Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
It is more difficult to walk on a sandy road than on a concrete road because
Options: sand is soft and concreter is hard, the friction between sand and feet is less than that between concrete and feet, the friction between sand and feet is more than that between concrete and feet, the sand is grainy but concrete is smooth
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
Options: (A)Extent to which all the parts of a software system or component are present and each of its parts is fully specified and developed. (B) Testing of individual hardware/software components (C) An Entity-relation (E-R) diagram show how entities in the system are composed of other entities. (D) It consists of wide range of different types of computer programs, which be used to support software process activities such as a requirement analysis, system modeling, debugging and testing. 15