Computer — All MCQs
4795 questions available
Q1661.Regarding a VDU, which statement is more correct?
Correct Answer: B
A VDU (Visual Display Unit/Monitor) is categorized as an output peripheral device.
Q1662.An Integrated Circuit (IC) chip is primarily made up of?
Correct Answer: C
An Integrated Circuit (IC) is made using a thin wafer of silicon, which acts as the core semiconductor substrate.
Q1663.VGA stands for _____?
Correct Answer: B
VGA stands for Video Graphics Array, a display standard introduced by IBM in 1987.
Q1664.In an MS Excel worksheet, the default alignment of a numeric value is?
Correct Answer: B
MS Excel automatically right-aligns numeric data by default, while text data is left-aligned, ensuring clear mathematical alignment.
Q1665.What is the largest font size available in the font size tool on formatting toolbar?
Correct Answer: B
The default font size dropdown list on the Word formatting toolbar starts at 8 pt and ends at 72 pt (which is equal to 1 inch).
Q1666.Which of following section does not exit in a slide layout?
Correct Answer: B
Slide layouts specify placeholders for titles, text, lists, charts, and tables, but do not contain a placeholder section for animations.
Q1667.Raw data processed by a computer becomes?
Correct Answer: A
Raw, unorganized facts (data) become structured and meaningful Information after processing by a computer.
Q1668.One Megabyte (MB) is equal to ____?
Correct Answer: C
By binary convention, 1 Megabyte (MB) is equal to 1024 Kilobytes (KB).
Q1669.If a question does not provide enough information to determine the answer, which option should be selected?
Correct Answer: B
In test databases, questions lacking sufficient context to solve are marked as 'Data inadequate'.
Q1670.Data transfer between computers is carried out through?
Correct Answer: C
Data transfer relies on hardware communication pathways (Data Bus) and standardized rules of communication (Protocol).
Q1671.Which program helps in understanding and managing the running of a computer?
Correct Answer: B
The Operating System (OS) is the primary system software responsible for managing resources and operating computers smoothly.
Q1672.To apply center alignment to a paragraph in MS-Word, we can press?
Correct Answer: A
Ctrl + E is the standard keyboard shortcut used to center-align paragraphs in Microsoft Word.
Q1673.The EDX (Extended Data) register consists of how many bytes?
Correct Answer: B
The x86 extended registers (like EAX, EBX, ECX, EDX) are 32-bit registers, which is equivalent to 4 bytes.
Q1674.In an operating system, which scheduling algorithm may suffer from starvation because shorter processes continuously receive priority?
Correct Answer: A
Shortest Job First (SJF) can lead to starvation for long processes if short processes continuously arrive and receive higher priority.
Q1675.In relational databases, which property of ACID ensures that a transaction is completed entirely or not executed at all?
Correct Answer: A
Atomicity follows the 'all-or-nothing' principle, ensuring a database transaction is either fully completed or completely rolled back.
Q1676.In computer architecture, which cache memory level is typically exclusive to each CPU core and provides the fastest data access?
Correct Answer: A
L1 Cache is built directly into each CPU core, operating at core clock speeds to offer the fastest access with minimal latency.
Q1677.What is the use of a firewall in a computer?
Correct Answer: C
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Q1678.A file is copied from Computer A to Computer B. Which device is most commonly used?
Correct Answer: A
A USB Flash Drive is a highly portable, reusable secondary storage device commonly used to copy and transfer files between computers.
Q1679.Which topology uses token passing for communication?
Correct Answer: C
Ring Topology uses token-passing methods to manage communication, where a token circulates around a physical or logical ring of devices.
Q1680.Component testing is also known as?
Correct Answer: B
Component Testing, also called Unit Testing, is the process of testing individual units or modules of software to verify correctness.