Study HubHubPage 42/171Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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Bus Structure
In computers, a bus is a set of what?
In computer architecture, a bus is a set of circuits that connect different components, allowing data transfer between them. While wires are part of the physical implementation, the term 'bus' refers more broadly to the interconnected circuits.
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Assembly Language Basics
In assembly languages, symbols are used instead of binary code. These symbols are called?
In assembly language, mnemonics are symbolic names used to represent machine instructions, making programming easier than using binary code directly.
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Analog Computers
In an analog computer, which of the following is true?
In an analog computer, both input and output remain in analog (continuous) form and are not converted to digital form. Therefore, the input is never converted to digital form.
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Spreadsheet Basics
In a computer spreadsheet, what happens if the current or active cell is B4 and you press the Enter key?
In most spreadsheet programs, pressing the Enter key moves the selection down to the next cell in the same column. Therefore, if the active cell is B4, pressing Enter will move the selection to cell B5.
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Spreadsheet Basics
In a computer spreadsheet, SUM, AVERAGE, MIN, and MAX are examples of ____?
SUM, AVERAGE, MIN, and MAX are all built-in functions in spreadsheet software like Microsoft Excel or Google Sheets. Functions are predefined formulas that perform calculations using specific values, called arguments, in a particular order.
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Windows 7 Features
In Microsoft Windows 7, which feature can give you information about the weather?
In Microsoft Windows 7, 'Gadgets' are small applications that can be added to the desktop, including a weather gadget that provides weather information. The other options do not provide weather information.
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Instruction Execution
In the latest generation of computers, how are instructions executed?
Latest generation computers can execute instructions both sequentially and in parallel, depending on the architecture and the type of tasks. Modern CPUs use parallelism (such as multi-core processing) as well as sequential execution for different operations.
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Osi Model - Physical Layer
In IT networking, which of the following devices is used in the Physical Layer?
A repeater operates at the Physical Layer (Layer 1) of the OSI model. It is used to regenerate and amplify signals to extend the transmission distance in a network.
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Operating Systems
In IT terminology, a failure in the kernel is called a:
A kernel failure that causes the operating system to stop functioning is commonly referred to as a crash. In many systems, such failures may also generate a crash dump file for debugging purposes.
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Memory Types
In IT, associative memory is also known as ____?
Associative memory is another term for Content Addressable Memory (CAM), which allows data retrieval based on content rather than a specific address.