Chapter 3 · MCQ Read Mode

Programming Languages and Web Technology

Which loop in C is guaranteed to execute its body at least once?

In C, the printf format specifier to print a floating-point number is:

A recursive function without a base case will cause:

In C, arrays are indexed starting from:

The string "Hello" in C memory is stored as:

Which of the following is NOT a valid looping construct in C?

C passes function arguments by value, which means the function receives:

The switch statement in C works with which data types?

In a 2D array a[3][4], how many total elements are stored?

The C function strcpy() is used to:

Which operator in C retrieves the memory address of a variable?

How does a C structure differ from a union?

Passing a pointer to a function in C allows the function to:

The expression a[i] in C is equivalent to:

To open a file for reading in C, the fopen() mode string is:

The size of a union is determined by:

Which C function is used to move to a specific position in a file for random access?

To access a structure member through a pointer in C, you use:

If int *p and sizeof(int) is 4 bytes, then p+1 points to the address:

Which declaration correctly defines a pointer to an integer in C?

Which OOP principle hides implementation details and exposes only the essential interface?

A constructor in C++ is automatically called:

Which access specifier makes a member accessible from anywhere in the program?

Inheritance in OOP represents which type of relationship?

The this pointer in a C++ member function refers to:

A static data member in a C++ class is:

The destructor in C++ is called automatically when:

Polymorphism in OOP means:

The JVM (Java Virtual Machine) is responsible for:

A friend function in C++ has which special privilege?

Which email protocol is used to SEND outgoing email?

HTTPS provides security over HTTP by:

JavaScript code in a web application executes on the:

PHP is classified as a:

The DOM (Document Object Model) is used by JavaScript to:

IMAP is preferred over POP3 for email because IMAP:

Which HTTP method is used to submit form data to a web server?

A PHP session stores user data on the:

In web development, CRUD stands for:

A Content Management System (CMS) like WordPress is used to:

A virtual function in C++ enables:

An abstract class in C++ is one that:

A pure virtual function in C++ is declared as:

To open a C++ file stream for APPENDING data, which mode flag is used?

Which C++ stream class is used specifically to READ from a file?

Can an abstract class in C++ be directly instantiated?

The <iomanip> manipulator setprecision(2) in C++ controls:

The vtable (virtual table) in C++ stores:

In C++, to write a binary object directly to a file, you use:

In the C++ stream class hierarchy, which class is the ultimate base for all streams?

The primary benefit of function templates in C++ is:

In C++ exception handling, the keyword used to signal an error is:

In the STL, iterators serve as the bridge between:

The catch(...) syntax in C++ catches:

A class template in C++ enables you to:

Inside a catch block, a bare throw; statement (no argument):

Which of the following is an STL container?

When a thrown exception has no matching catch block anywhere in the call stack, C++ calls:

Multiple catch blocks after a single try block allow you to:

The STL algorithm sort() belongs to which STL component?

When an interrupt occurs, the CPU transfers execution to:

The 8086 microprocessor operates in which two modes?

Assembly language source code is translated to machine code by:

The 8255 Programmable Peripheral Interface (PPI) provides which type of interface?

RISC (Reduced Instruction Set Computer) architecture is characterized by:

What does the Address Generation Unit (AGU) in a CPU do?

Pipelining in CPU design is also known as:

How many signal wires does the I²C (Inter-Integrated Circuit) bus use?

A microprocessor fetches its next instruction from:

In an SPI bus running at 5 MHz with 8-bit frames, what is the time taken per bit?

Which circuit inside the CPU performs arithmetic and logical operations?

In floating-point multiplication, the correct sequence of operations is: