Computer Knowledge
Computer Fundamentals and System Concepts
2,421 Questions
Computer fundamentals and system concepts questions cover core hardware components, operating systems, and historical computer milestones. Topics include the kernel, central processing unit, and basic computing terminology. These foundational questions are strictly essential for scoring well in computer knowledge sections.
Central processing unitComputer operating systemsSupercomputer milestonesSystem registry functionsKernel operationsAndroid applications
Computer Fundamentals and System Concepts Questions
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loadrunner
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roadrunner
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bluejene/L
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jugene
B
Correct answer
Explanation
Roadrunner, built by IBM for Los Alamos National Laboratory, was a supercomputer that first broke the 1 petaflop barrier in 2008. It held the title of world's fastest supercomputer before being surpassed, making it the second fastest at certain points in the TOP500 rankings timeline. Loadrunner is a performance testing tool, BlueGene/L and JUGENE are different IBM supercomputer architectures.
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param
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bluejene/L
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druva
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arundathi
C
Correct answer
Explanation
Druva-ac (also known as Aaditya) at the Indian Institute of Tropical Meteorology, Pune, was India's second fastest supercomputer with approximately 47-50 teraflops performance. PARAM is the series name for multiple Indian supercomputers, not a specific one. BlueGene/L is an IBM architecture used worldwide. Arundhati is another Indian supercomputer but was typically ranked lower.
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Hardware
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Software
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Operating system
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Application program
A
Correct answer
Explanation
Hardware refers to the physical components of a computer that you can see and touch, such as the monitor, keyboard, CPU, and mouse. Software is the set of instructions that tells the hardware what to do, which is intangible. Operating systems and application programs are types of software, not physical components.
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Hardware
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Software
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Operating system
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Application program
A
Correct answer
Explanation
Hardware refers to the physical components of a computer that you can see and touch, such as the monitor, keyboard, CPU, and mouse. Software is the set of instructions that tells the hardware what to do, which is intangible. Operating systems and application programs are types of software, not physical components.
B
Correct answer
Explanation
The CPU (Central Processing Unit) is called the brain of the computer because it processes all instructions and performs calculations. Hardware is too general - the CPU is a specific hardware component. Memory and disk are storage devices that work with the CPU but don't process information.
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A program can be created & generated, and then the copybooks can be created & generated
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A copybook has to be created before creating & generating the program
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A copybook has to be created & generated before creating & generating the program
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None of the above is true
C
Correct answer
Explanation
Copybooks must be created and generated before programs that reference them, because programs need copybooks to be available during compilation. Copybooks contain data structures and shared code that programs depend on.
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EXE is created for the called program and DLL is created for the calling program
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EXE is created for the calling program and DLL is created for the called program
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EXE is created for the both, called program and calling program
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DLL is created for the both, called program and calling program
B
Correct answer
Explanation
In COBOL compilation on Windows, the calling (main) program is compiled into an EXE file, while the called (sub) program is compiled into a DLL for dynamic linking. This separates the executable logic from reusable subroutine modules.
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GDS ALLOCATE
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GDS ASSIGN
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ACQUIRE
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GDS ACQUIRE
A
Correct answer
Explanation
GDS ALLOCATE is the CICS command that acquires a session to a remote system in a CICS environment. GDS (Generalized Data Stream) commands are used for intersystem communication, and ALLOCATE specifically establishes a session/connection with a remote system.
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CPU
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Task manager
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PSW
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Control byte
C
Correct answer
Explanation
The PSW (Program Status Word) reflects the current system status including condition codes, mask bits, instruction address, and interrupt states.
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A peripheral assembly designed to monitor permissions requests from an application.
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Any DLL file used by an EXE file.
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An assembly containing localized resources for another assembly.
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An assembly designed to alter the appearance of an application.
C
Correct answer
Explanation
A satellite assembly in .NET is a compiled library containing culture-specific resources (such as translated strings or images) for a main assembly. These resources are separated into different satellite assemblies for each culture (e.g., fr-FR, de-DE) to support internationalization without requiring different builds of the main application.
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Electrical
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Electro - Mechanical
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Electronic
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None of these
C
Correct answer
Explanation
The Atanasoff-Berry Computer (ABC) was an electronic digital computer that used vacuum tubes for its computing mechanism. Unlike earlier electro-mechanical computers that used physical switches and relays, the ABC was fully electronic. It was not electrical (which would imply no electronic components), nor was it electro-mechanical like the Z3.
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Simulation Program with Integrated Circuit Emphasis
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Space Integrated Control Experiment
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Sprint Intelligent Computing Environment
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Small Portable Initial Communications Equipment
A
Correct answer
Explanation
SPICE stands for Simulation Program with Integrated Circuit Emphasis. It is a general-purpose open-source analog electronic circuit simulator. It was developed at the University of California, Berkeley, and is widely used in integrated circuit and board-level design to verify circuit designs and predict their behavior.
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2^(n-1) to 2^(n+1)+1
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-2^(n-1) to 2^(n-1)-1
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-2^(n-1) to 2^(n-1)+1
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-2^(n-1) to 2^(n+1)-1
B
Correct answer
Explanation
For n-bit signed integers, the range is -2^(n-1) to 2^(n-1)-1. The negative side can go to -2^(n-1) (using the sign bit), while the positive side maxes at 2^(n-1)-1 since zero uses one positive value. This matches option B.
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DELL 4600
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DELL 6400
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DELL 740
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DELL 4300
A
Correct answer
Explanation
The question asks which Dell model is NOT available in the catalogue, and option A (DELL 4600) is marked as the correct answer. This suggests that while DELL 6400, DELL 740, and DELL 4300 are available models, the DELL 4600 is not offered in the current catalogue. This is a factual knowledge question about specific product availability.
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Every 15 minutes
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Every 10 keystrokes
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Every 15 keystrokes
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Every 10 minutes
B
Correct answer
Explanation
The PeopleCode Editor in Application Designer features an automatic safety checkpoint that saves your active changes to a temporary file after every 10 keystrokes. This frequent micro-saving prevents significant data loss during unexpected crashes, making time-based options or alternative keystroke counts incorrect.