Showing 541–560 of 603

Q541.What is the primary defining characteristic of a fifth-generation computer compared to earlier generations?

Easy
A Scientific code
B Object Oriented Programming
C Technological advancement in Artificial Intelligence
D None of these
Common Technical Terms PPSC

Correct Answer: C

Fifth-generation computing is defined by the integration of artificial intelligence, parallel processing, and natural language understanding.

Q542.In a Microsoft Access database table, what are the columns formally called?

Easy
A Records
B Fields
C Rows
D None of these
Database Basics PPSC

Correct Answer: B

In database tables, columns are referred to as 'Fields' (storing specific attributes), while rows are called 'Records' (representing individual entries).

Q543.The file extension '.gif' is typically used for which category of computer files?

Easy
A Video
B Audio
C Image
D Word
File Extensions PPSC

Correct Answer: C

The '.gif' extension stands for Graphics Interchange Format, which is a popular bitmap image format that supports static and animated images.

Q544.In relational database theory, what is a set of all possible permissible values for a database column or attribute called?

Easy
A Domain
B Attribute
C Degree
D Tuple
Database Basics PPSC

Correct Answer: A

A Domain represents the set of all unique, valid values that a particular table column/field is allowed to store.

Q545.Which company developed the widely used computer operating system 'Windows'?

Easy
A Bill Gates
B Carlos Slim
C Steve Jobs
D Warren Buffet
Operating Systems PPSC

Correct Answer: A

The Windows operating system was developed by Microsoft, which was co-founded by Bill Gates.

Q546.What does the abbreviation MODEM stand for?

Easy
A Modulation and Demodulation
B Modern Demodulation
C Modulation and Digitalization
D None of these
Abbreviations PPSC

Correct Answer: A

MODEM is a portmanteau of Modulator-Demodulator, converting analog signals to digital and vice-versa.

Q547.Which of the following is NOT typically a component of a standard office productivity software suite?

Easy
A Word processor
B Database
C Image editor
D File manager
Database Basics PPSC

Correct Answer: D

A file manager is an operating system utility (like Windows File Explorer) rather than a software program inside an office productivity suite.

Q548.Which file extension is universally associated with Adobe Acrobat document files?

Easy
A .psd
B .pdf
C .pub
D .pcx
File Extensions PPSC

Correct Answer: B

Adobe Acrobat files are saved in the .pdf (Portable Document Format) standard, which preserves document layout across platforms.

Q549.In C and C++, which standard library function is used to scan and retrieve values into variables from the keyboard during program execution?

Easy
A main()
B getch()
C scanf()
D printf()
Programming Basics PPSC

Correct Answer: C

The scanf() function reads formatted data input from standard input (stdin/keyboard) and stores it in specified variables.

Q550.Which of the following refers to the field of Artificial Intelligence focused on enabling machines to analyze and understand natural human language?

Easy
A Decision trees
B Natural Language Processing (NLP)
C Vector Machines
D Neural Networks
Common Technical Terms PPSC

Correct Answer: B

Natural Language Processing (NLP) is the specific domain of AI concerned with the interactions between computers and human natural languages.

Q551.Which neural network architecture is heavily utilized in machine learning to analyze, model, and translate sequential text in natural language tasks?

Easy
A K-Means Clustering
B Support Vector Machines
C Principal Component Analysis (PCA)
D Recurrent Neural Networks (RNNs)
Common Technical Terms PPSC

Correct Answer: D

Recurrent Neural Networks (RNNs) are designed to handle sequential data, making them highly effective for NLP, translation, and text modeling.

Q552.How many basic types of relational sections (relationships) can exist between tables in a database?

Easy
A 2
B 4
C 5
D 3
Database Basics PPSC

Correct Answer: D

There are three primary relationships in relational databases: One-to-One, One-to-Many, and Many-to-Many.

Q553.What is the term given to a logical sequence of step-by-step instructions written in a natural language to solve a specific problem?

Easy
A Simulator
B Decision table
C Pseudo code
D Algorithm
Database Basics PPSC

Correct Answer: D

An algorithm is a step-by-step, logical procedure designed to solve a problem or accomplish a specific calculation.

Q554.Which type of computer network is best suited for connecting devices in an organized manner within a single office building?

Easy
A Metropolitan Area Network (MAN)
B Local Area Network (LAN)
C Wide Area Network (WAN)
D Artificial Neural Network (ANN)
Common Technical Terms PPSC

Correct Answer: B

A Local Area Network (LAN) provides high-speed, local data sharing and connectivity within a limited space, such as an office or school.

Q555.In database structures, the number of characters allowed in a 'fixed-length' field is ______?

Easy
A Variable
B Constant
C Specified
D Dynamic
Database Basics PPSC

Correct Answer: B

In a fixed-length field, the maximum number of characters remains constant (fixed) for every record, padded with spaces if necessary.

Q556.In the standard C statement 'scanf("%d", &kilometer);', the identifier 'kilometer' represents a ______?

Easy
A Function
B Operator
C Variable
D Constant
Programming Basics PPSC

Correct Answer: C

In C, 'kilometer' is a declared variable representing a named memory location where scanf stores the retrieved integer value.

Q557.In DOS compilers like Turbo C++, the console utility function 'clrscr()' is defined within which header file?

Easy
A stdio.h
B iostream
C conio.h
D stdlib.h
Programming Basics PPSC

Correct Answer: C

The clrscr() (clear screen) function belongs to the <conio.h> (console input/output) header file, used for direct console window manipulation.

Q558.In programming logic, a loop structure that is nested inside the body of another loop is called a ______?

Easy
A Inner Loop
B Nested Loop
C Recursive Loop
D Double Loop
Programming Basics PPSC

Correct Answer: B

A loop embedded within another loop is termed a nested loop, commonly used to iterate over multi-dimensional grids or tables.

Q559.What is the default data type assigned to a newly created database field in Microsoft Access?

Easy
A Text
B Number
C Currency
D AutoNumber
Database Basics PPSC

Correct Answer: A

By default, Access assigns the 'Short Text' (previously 'Text') data type to newly created fields, allowing alphanumeric storage up to 255 characters.

Q560.A relational database can conventionally store and manage which of the following database objects?

Easy
A Tables
B Queries
C Forms and Reports
D All of the above
Database Basics PPSC

Correct Answer: D

Relational databases contain tables (to store data), queries (to find data), forms (to enter data), and reports (to print summaries).