Download 63) Which of the following statements is true about desktop

63) Which of the following statements is true about desktop virtualization?
A) It refers to a system in which a server hosts one or more server computers.
B) It allows a user to access the virtualized server from any computer.
C) It allows a user to access the virtualized desktop from any computer.
D) It refers to a system in which a desktop hosts only one desktop operating system.
64) When a Windows license is bought, Microsoft ________.
A) transfers the ownership of Windows to the buyer
B) allows the buyer to make any number of copies of the Windows program
C) provides the buyer with the source code for Windows
D) sells the buyer the right to use Windows
65) ________ is the process by which multiple operating systems share the same hardware.
A) Hyperlinking B) Virtualization
C) Dual-core processing D) Additive manufacturing
66) Phobas Inc. develops a new software named "ET Fanome" to meet its own needs and requirements.
The software isn't sold to the public or other organizations. Such a software is called ________.
A) open source software
B) vertical-market application software
C) one-of-a-kind or custom application software
D) horizontal-market application software
67) Which of the following is a feature of open source projects?
A) The source code of the program is available to the public.
B) The source code cannot be obtained from the open source project's Web site.
C) The machine code of the program can be easily understood by humans.
D) The source code of the program cannot be modified.
68) Which of the following is true about thin-client applications?
A) They are more expensive relative to native applications.
B) They are developed using serious, heavy-duty, professional programming languages.
C) They need to be manually updated from time to time.
D) They run inside a browser.
69) Which of the following statements is true of native applications?
A) Native applications are less expensive than thin-client applications.
B) Native applications can be developed by less-skilled, lesser-paid employees.
C) The same version of native applications will run on all operating systems.
D) Native applications are developed using professional programming languages.
70) The columns in a database are called ________.
A) fields B) tables C) files D) records
71) The rows in a database are called ________.
A) fields B) tables C) files D) records
72) Columns that are keys to different tables than the ones in which they reside are called ________.
A) internal records B) primary keys C) foreign keys D) attributes
73) Albert creates a relational database to store employee performance statistics. He stores each
employee's data in independent rows and creates a column named "Employee Number" to assign
unique numbers to each employee. This column is referred to as a(n) ________.
A) functionally dependent record B) identifier
C) foreign key D) primary key
74) A primary key used in a database is a ________. 74)
A) character or byte that represents fields or columns
B) group of tables or files formed to identify a unique field or row
C) group of rows that are formed to identify a unique table or file
D) column or group of columns that identifies a unique row in a table
75) Relational databases represent relationships using ________.
A) file systems B) metadata
C) foreign keys D) unique identifiers
76) Metadata are ________.
A) encrypted data transmissions B) data that describe data
C) error logs of databases D) code used for server-side processing
77) A(n) ________ is a program used to create, process, and administer a database.
A) DBMS B) information system
C) data mart D) operating system
78) Which of the following is an example of a database management system?
A) Access B) BigData C) MS Excel D) NoSQL
79) Which of the following is an international standard language for processing a database?
A) Cassandra B) MS Access C) DB2 D) SQL
80) A(n) ________ is a request for data from a database.
A) form B) report C) application D) query
81) A _____________________ is a specific type of database that maintains historical versions of a
record.
A) DBMS B) file management system
C) data warehouse D) Big Database
82) Which of the following is true of Huffman encoding?
A) The most common character should take the most number of bits to encode.
B) The most common character should take the least number of bits to encode.
C) Two characters can have the same encoding.
D) None of the above are true.
83) Which of the following is NOT true of Huffman encoding?
A) There exists a word with a unique Huffman encoding.
B) Huffman encoding is used in fax machines to determine the most compressed way to
represent data.
C) Huffman encoding has applications for satellite and other communication related technology.
D) All the above are true.
84) Which of the following is true of a thin client application?
A) It must be installed on a computer.
B) It runs within a browser.
C) It is difficult to update because every client must be updated.
D) None of the above are true.
85) Which of the following is true of a thick application?
A) It runs in a browser.
B) It must be installed on each computer.
C) It is more complicated and requires more planning to update than a thick application.
D) None of the above are true.
86) Which of the following is NOT true of an operating system?
A) It controls the resources of the computer. B) It is a type of system software.
C) It directs the CPU D) All the above are true of the OS.
87) Which of the following is NOT true of RAM
A) is a type of non-volatile memory
B) loses its contents when the computer is turned off.
C) can improve the performance of a computer.
D) All the above are true.
88) Which of the following is NOT true of Binary code/digits?
A) It is how computers represent data.
B) Is a fourth generation language.
C) 8 bits represent a byte or 1 character of data.
D) All the above are true.
89) Which of the following is NOT true of forth generation langiuages? 89)
A) They are similar to natural languages (spoken languages)
B) SQL is an example of a fourth generation language.
C) Java and C# or C are examples of forth generation languages.
D) All the above are true.