Computer Terminology
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Q341.Where is 'Date and Time' located in Windows 10 operating system?
Correct Answer: B
The 'Date and Time' settings are located in the taskbar.
Q342.DBMS stands for ______?
Correct Answer: B
DBMS stands for Database Management System, which is software that manages data integrity, security, and access.
Q343.OS stands for?
Correct Answer: C
OS stands for Operating System, which is system software that manages hardware resources.
Q344.Which format is used for Database Management?
Correct Answer: C
Databases primarily store and manage information in text (alphanumeric) format to allow querying and sorting.
Q345.The file extension .txt is used for?
Correct Answer: C
The file extension .txt is used to designate plain text files which do not contain complex formatting.
Q346.Which operating system is commonly used for coding and programming?
Correct Answer: D
All three major operating systems (Windows, Linux, macOS) are widely used for software development and programming.
Q347.Which of the following technologies was used in fifth generation computer??
Correct Answer: D
The fifth generation of computers (present and beyond) is defined by its focus on Artificial Intelligence and ULSI microprocessors.
Q348.Third generation computers used ______?
Correct Answer: C
Third-generation computers (1964-1971) were characterized by the use of Integrated Circuits (ICs) instead of discrete transistors.
Q349.Which of the following is the loopback address for IPv4?
Correct Answer: A
127.0.0.1 is the standard loopback IP address in IPv4, allowing a host to send network packets to itself for local diagnostic testing.
Q350.A Software Engineer is a person who works on _______?
Correct Answer: B
A software engineer primarily specializes in writing, testing, and maintaining software code using different programming languages.
Q351.In networking, which of the following is true?
Correct Answer: B
HTTPS secures web traffic over port 443, while DNS stands for Domain Name System (the phone book of the internet).
Q352.What is the name of the artificial intelligence company of Elon Musk launched in July 2023?
Correct Answer: A
Elon Musk launched xAI in July 2023 to develop advanced artificial intelligence models, famously releasing the Grok chatbot.
Q353.Which language does MS-Word use to create Macros?
Correct Answer: C
Microsoft Word (and the entire MS Office suite) uses Visual Basic for Applications (VBA) to record, write, and run macros.
Q354.Where are table names and field attributes stored in a database management system?
Correct Answer: B
The Data Dictionary (or system catalog) within a DBMS stores metadata, such as table structures, field definitions, and schema relationships.
Q355.Which of the following statements is correct about adding/deleting columns and rows in a database or spreadsheet?
Correct Answer: B
Spreadsheets and databases are designed with flexibility, allowing users to insert, modify, or delete columns and rows freely.
Q356.Which loop structure is not available in C programming?
Correct Answer: A
C programming supports 'for', 'while', and 'do-while' loops. 'do-until' is not a valid C programming keyword or construct.
Q357.In statement scanf("%c", & km); km is a(n)?
Correct Answer: B
The '%c' format specifier in C's scanf function instructs the system to read a single character into a character variable (char).
Q358.Which of the following keys is not unique?
Correct Answer: C
A foreign key in a relational database table establishes a link to another table's primary key and can contain duplicate values.
Q359.Which of the following is NOT a good primary key?
Correct Answer: B
A good primary key must be unique and constant. A zip code is shared by many houses/individuals, making it unsuitable.
Q360.Assembly language is classified as ______?
Correct Answer: B
Assembly language is a low-level programming language that uses mnemonics to represent machine-level instructions, offering close control over hardware components.