Computer — All MCQs
4795 questions available
Q3321.Which of the following is the fifth layer of the OSI model?
Correct Answer: A
The fifth layer of the 7-layer OSI model is the Session Layer, which is responsible for establishing, maintaining, and terminating communication sessions between applications.
Q3322.In which memory location is the operating system loaded at the time of booting?
Correct Answer: B
During the boot process, the core components of the operating system are loaded from the hard disk/SSD into RAM (primary memory) for active execution.
Q3323.Which of the following protocols is used for secure web browsing?
Correct Answer: A
HyperText Transfer Protocol Secure (HTTPS) encrypts web communication using SSL/TLS to protect data from tampering and interception.
Q3324.A network of computers spread across the world is called ______?
Correct Answer: C
The Internet is a global, public system of interconnected computer networks spanning across the entire world.
Q3325.What runs all over the hardware, software, and other computer resources?
Correct Answer: A
The Operating System (OS) is the primary system software that controls, manages, and coordinates all hardware, software, and system resources.
Q3326.One of the following is NOT a function of an operating system?
Correct Answer: C
Creating web pages is a user-level application task performed using HTML editors or web development tools, not a core function of an operating system.
Q3327.Which of the following is/are NOT a characteristic of a computer?
Correct Answer: D
Computers lack any conscious understanding, feelings, IQ, or native intelligence; they operate strictly on human-programmed instructions.
Q3328.The primary purpose of the invention of the Internet is ______?
Correct Answer: B
The primary goal behind developing the Internet was to connect disparate networks and enable global communication and information sharing.
Q3329.What type of monitoring file is commonly used on and accepted from Internet sites?
Correct Answer: C
Cookies are small text files stored on a user's hard drive by websites to track user preferences, session configurations, and browsing activity.
Q3330.Which of the following is an example of cyberbullying?
Correct Answer: B
Sending threatening, abusive, or harassing messages over digital channels like email, social media, or text messages is a form of cyberbullying.
Q3331.If all the Network components are connected to the same cable, then the certain topology is called ______?
Correct Answer: B
In a Bus topology, all network nodes are connected to a single shared central communication cable (the backbone or bus).
Q3332.What is the purpose of a loop in programming?
Correct Answer: C
Loops (like for, while, do-while) are programming structures used to repeat a set of instructions multiple times until a specific condition is met.
Q3333.What type of memory is used to boot the computer?
Correct Answer: C
Non-volatile ROM (Read-Only Memory) contains the BIOS or startup firmware containing instructions required to boot the computer system.
Q3334.Which of the following is the collection of related records?
Correct Answer: C
In a relational database, a Table is a structured collection of related records (rows) organized into fields (columns).
Q3335.Which parts of the computer perform arithmetic calculations?
Correct Answer: B
The Arithmetic Logic Unit (ALU) is the CPU component that performs all arithmetic calculations (addition, subtraction, multiplication) and logical comparisons.
Q3336.What is the purpose of a graphics card?
Correct Answer: B
A graphics card (GPU) processes and renders visual data, displaying images, videos, and 3D graphics smoothly on the monitor screen.
Q3337.Which of the following are examples of digital marketing?
Correct Answer: D
Digital marketing incorporates all online marketing channels and strategies, including social media campaigns, email outreach, and SEO.
Q3338.Which of the following leads users from multiple sources to a single link or destination?
Correct Answer: C
A landing page is a single, standalone web page designed to receive traffic from multiple promotional sources and guide them to a single destination or call-to-action.
Q3339.What is photogrammetry in the context of surveying?
Correct Answer: B
Photogrammetry is the science and technology of obtaining precise measurements, maps, and 3D models of physical objects and terrains through the analysis of photographs.
Q3340.Which of the following leads to a single link between the host and the destination in a network?
Correct Answer: A
A point-to-point connection provides a dedicated, direct physical or logical link between exactly two network nodes.