General MCQs
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Q1061.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).
Q1062.In relational terminology, an attribute is also called _____?
Correct Answer: C
In relational database theory, columns are termed attributes or fields, while rows are termed tuples or records.
Q1063.In which topology each node in device connecting to the central computer?
Correct Answer: C
In a Star topology, all network nodes and terminal devices are directly wired to a central computer, hub, or switch.
Q1064.The laser printer uses ______ for printing.
Correct Answer: B
A laser printer utilizes a high-precision laser beam and static electricity to transfer dry toner powder onto the page.
Q1065.Which of the following is not a function of media regulatory authority bodies?
Correct Answer: B
Broad media regulatory frameworks do not support blanket bans of entire international movies regardless of their specific thematic content.
Q1066.Which of the following is a smartphone brand?
Correct Answer: C
The iPhone represents a world-famous, proprietary smartphone brand engineered and sold by Apple Inc.
Q1067.What is the purpose of using wireless cellphone systems in agencies for security communication?
Correct Answer: B
Secure wireless systems protect the transmission from wiretapping and keep communications and locations confidential.
Q1068.Agencies use what for transmission of communication?
Correct Answer: C
Wireless transmission provides critical mobility, rapid deployment, and flexibility for security and investigative agency operations.
Q1069.There are _____ basic logic gates.
Correct Answer: B
There are 7 fundamental digital logic gates: AND, OR, NOT, NAND, NOR, XOR, and XNOR.
Q1070.Which of the following options provides easy entering and editing data in tables of MS Access?
Correct Answer: B
MS Access Forms provide a user-friendly, customizable graphical interface that simplifies entering, modifying, and viewing records in tables.
Q1071.Consider the Gantt chart of 3 processes (P1 = 0 to 16, P2 = 16 to 23, P3 = 23 to 30) using First Come First Serve (FCFS) scheduling. What is the finish time of P2?
Correct Answer: B
As mapped in the FCFS Gantt chart, process P2 starts execution at timestamp 16 and completes (finishes) at timestamp 23.
Q1072.Which of the following computing device does NOT include disk drives?
Correct Answer: A
Palmtops are extremely small, early pocket-sized computing devices that do not have physical rotating disk drives.
Q1073.Which of the following FORM in stronger than 3rd Normal Form?
Correct Answer: B
Boyce-Codd Normal Form (BCNF) is a stricter, stronger variation of 3NF designed to eliminate any remaining anomalies caused by functional dependencies.
Q1074.In Consolidated Data distribution strategy, where data is shared?
Correct Answer: A
Consolidated data distribution strategy requires storing all database tables at a single, centralized server location.
Q1075.Which of the following is an application of Robots?
Correct Answer: B
Industrial robotics find major applications in automotive manufacturing plants to automate the precise assembly of cars.
Q1076.Which of the following unit is used to increase bandwidth of analog signal?
Correct Answer: A
Hertz (Hz) is the unit of frequency used to specify the bandwidth of analog signals, representing the range of cycle frequencies.
Q1077.If ASCII code of a = 97, what will be ASCII code for y?
Correct Answer: C
In the ASCII alphabetical index, 'a' is 97. The letter 'y' is 24 positions after 'a', so its code is 97 + 24 = 121.
Q1078.Which of the following is an example of a transmission medium?
Correct Answer: C
A transmission medium is the physical or logical pathway for signals. Satellite systems act as wireless communication pathways.
Q1079.If you open a file in "R+" mode, what does it mean?
Correct Answer: A
In standard C library file operations, 'r+' mode opens an existing file stream for both reading and writing.
Q1080.Which of the following modulation techniques is NOT interrupted by thunderstorms?
Correct Answer: A
Frequency Modulation (FM) encodes data using signal frequency shifts rather than amplitude, making it highly immune to lightning-induced static noise.