Computer Objective Question 3

1) The purpose of the primary key is database is to

1. unlock the database
2. provide a map of the data
3. uniquely identify a record
4. establish constraints on database operations
5. None of the above

2) It contains specific rules and words that express the logical steps of an algorithm

1. programming language
2. syntax
3. programming structure
4. logic chart
5. None of these

3) The design of the network is called the network

1. architecture
2. server
3. transmission
4. type
5. none of these

4) The most frequently used instructions of a computer program are likely to be fetched from

1. the hard disk
2. cache memory
3. RAM
4. registers
5. None of these

5) It contains data descriptions and defines the name, data type, and length of each field in the database

1. data dictionary
2. data table
3. data record
4. data field
5. None of these

6) Personal logs or journal entries posted on the Web are known as

1. listservs
2. Webcasts
3. blogs
4. subjects directories
5. None of these

7) It uses picture (called icons) and menus displayed on the screen to send commands to the computer system

1. Command-based user interface
2. GUI
3. system utility
4. API
5. None of these

8) The manual tells you how to use a software program

1. Documentation
2. programming
3. technical
4. user
5. none of these

9) Which of the following is NOT a type of broadband Internet connection ?

1. Cable
2. DSL
3. Dial-up
4. Satellite
5. none of these

10) Software, such as viruses, worms and Trojan horses, that has a malicious intent, is known as

1. sypware
2. adware
3. spam
4. malware
5. None of these

11) In making a field this property show that it cannot be left blank

1. numeric
2. required
3. calculated
4. validated
5. none of these

12) It is the process of finding errors in software code

1. Debugging
2. Compiling
3. Testing
4. Running
5. none of these

13) There are viruses that are triggered by the passage of time or on a certain date.

1. Boot-sector viruses
2. Macro viruses
3. Time bombs
4. Worms
5. none of these

14) Linux is which type of operating system ?

1. Open-source
2. Microsoft
3. Windows
4. Mac
5. None of these

15) what is a backup ?

1. Restoring the information backup
2. An exact copy of a system's information
3. The ability to get a system up and running in the event of a system crash to failure
4. All of the above
5. None of the above

16) Which of the following places the common data elements in order from smallest to largest ?

1. character, file, record, field, database
2. character, record, field, database, file
3. character, field, record, file, database
4. Bit, byte, character, record, field, file, database
5. none of these

17) The internet is

1. a large network of networks
2. an internal communication system for a business
3. a communication system for the Indian government
4. All of the above
5. None of the above

18) These are lists of commands that appear on the screen

1. GUIs
2. Icons
3. Menus
4. Windows
5. none of these

19) Which of the following statement is FALSE concerning file names ?

1. Files may share the same name or the same extension but not both
2. Every file in the same folder must have a unique name
3. File extension is another name for file type
4. The file extension come before the dot (.) followed by the file name
5. None of these

20) Verification of a login name an password is known as

1. configuration
2. accessibility
3. authentication
4. logging in
5. None of the above