Computing systems most often facilitate planning because they:
Options: make it possible to take into account many possibilities in an uncertain situation, make it possible to solve complex problems, enable an appropriate data processing system to provide answers quickly, All of the above
. Which of the following is true regarding Referential Integrity?
Options: Every primary-key value must match a primary-key value in an associated table
B. Every primary-key value must match a foreign-key value in an associated table
C. Every foreign-key value must match a primary-key value in an associated table
D. Every foreign-key value must match a foreign-key value in an associated table
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Options: Paperless office, Electronic mail, Global network, Electronic newspaper
8.The space factor when determining the efficiency of algorithm is measured by
Options: (A)Counting the maximum memory needed by the algorithm (B) Counting the minimum memory needed by the algorithm (C) Counting the average memory needed by the algorithm (D) Counting the maximum disk space needed by the algorithm 3
5.When pre cleaning policy is applied in memory management
Options: (A)A page is written out to secondary memory only when it has been selected for replacement. (B) Modified pages are written before their page frames are needed so that can be written out in batches. (C) A and B both true. (D) None of these. 9
The advantage(s) of incorporating the macro processor into pass 1 is(are):
Options: many functions do not have to be implemented twice., Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler., more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros., all of the above
Options: because of desiccation and mechanical damage to the tissues, because no photosynthesis takes place at such low temperature, because respiration ceases at such low temperature, because there is no transpiration
. The toolbars that are displayed by default in the PowerPoint window includes
Options: a. Menu bar, standard toolbar, formatting toolbar, drawing toolbar, status bar b. Menu bar, standard toolbar, formatting toolbar, drawing toolbar, status bar c. Standard toolbar, formatting toolbar, drawing toolbar, status bar d. Menu bar, standard toolbar, status bar, drawing toolbar
Uppercase on Change Case dialog box and All Caps on Fonts dialog box both converts selected text into Capital Letters. What’s the difference between the two?
Options: A) Both are same. They are only two different ways of capitalize text., B) It is faster to convert from Change Case than from Font dialog box, C) Change Case makes conversion permanent but All Caps on Font can always be reverted, D) All Caps on Font dialog box makes the change permanent where Change Case can be always reverted,