Computer — All MCQs
4795 questions available
Q3521.Decrease in strength of signal is known as?
Correct Answer: C
Attenuation describes the loss or reduction in signal strength and amplitude as it propagates through any communication medium.
Q3522.Which of the following is a compiler directives?
Correct Answer: A
Preprocessor directives (sometimes called compiler directives) in C/C++ are prefixed with a hash sign, such as #include <stdio.h> (typed as #include<studio.h> in the TestPoint database).
Q3523.In flowchart, a diamond sign indicates a _____?
Correct Answer: B
In program logic flowcharts, a diamond symbol is used to represent a conditional choice or decision point.
Q3524.Which is a technology that provides high-speed Internet connection using regular copper telephone lines?
Correct Answer: C
Digital Subscriber Line (DSL) is a broadband internet technology that transmits high-bandwidth data over standard, existing copper telephone wires.
Q3525.A well-defined list of steps for solving a particular problem written in a natural language is called ______?
Correct Answer: A
An algorithm is a step-by-step, logical set of instructions written in a natural language or pseudo-code to solve a specific problem.
Q3526.Personal Digital Assistant (PDA) is a ______ computer.
Correct Answer: A
A Personal Digital Assistant (PDA) is an early class of handheld, highly portable mobile computing devices.
Q3527.Air Brush tool creates _____ pattern.
Correct Answer: C
The Air Brush tool in graphic design software simulates a physical airbrush by depositing a soft, diffused spray pattern.
Q3528.ISDN stands for _____?
Correct Answer: C
ISDN stands for Integrated Services Digital Network, a traditional set of communications standards for simultaneous transmission of voice and data.
Q3529.Which technology is used to design and manufacture products in manufacturing industry?
Correct Answer: A
CAD (Computer-Aided Design) and CAM (Computer-Aided Manufacturing) are integrated technologies used to design, simulate, and physically manufacture products.
Q3530.Switch operates at _____ of OSI model.
Correct Answer: B
A network switch operates at the Data Link layer (Layer 2) of the OSI model, routing frames based on MAC addresses.
Q3531.The distance between pixels on a computer monitor screen is called _____?
Correct Answer: B
Dot pitch (or pixel pitch) represents the physical distance (measured in millimeters) between adjacent same-color sub-pixels on a display screen.
Q3532.Which one is a type of optical storage?
Correct Answer: A
Blu-ray discs are optical storage media that utilize laser beams. Floppy disks and hard drives use magnetic storage.
Q3533.Virtual memory typically located on/in ____?
Correct Answer: D
Virtual memory is a resource allocation technique that utilizes partition space or files directly on the hard drive or solid-state drive.
Q3534.An example of short range broadcast radio communication is _____?
Correct Answer: B
Bluetooth is an industry-standard, short-range broadcast radio frequency communication technology used for wireless data exchange.
Q3535.There are _____ data transmission modes.
Correct Answer: C
The three standard modes of data transmission are Simplex (one-way), Half-Duplex (two-way alternating), and Full-Duplex (simultaneous two-way).
Q3536.The jobs in the buffer is said to be in _____?
Correct Answer: C
Jobs held in temporary input/output buffers (such as print spools) are conventionally organized and processed in a sequential queue.
Q3537.When computer is restarted, it is called _____?
Correct Answer: B
Restarting a computer while keeping it powered on is referred to as a warm boot (or soft boot). Starting a system from a powered-off state is a cold boot.
Q3538.Pixel is short for _____?
Correct Answer: C
The term pixel is a portmanteau formed from 'picture element', representing the smallest addressable unit of a digital image.
Q3539.Function overloading is an example of _____?
Correct Answer: A
Function overloading allows multiple functions to share the same name with different parameters, representing compile-time polymorphism.
Q3540.The number of pixels per square inch area of a monitor is called _____?
Correct Answer: B
The number of pixels contained within a given physical area on a display monitor is referred to as screen resolution (or pixel density).