SET 12 – Computer Questions and Answers

Computer GK Questions and Answers Set-12:- We are published here Computer General Knowledge Part-12 quiz, you can get very important knowledge in Computer GK Set-12 . These Computer GK Questions will prove to be helpful for you in the upcoming competitive exams.

Set-12 Computer Gk Quiz for Competitive Examination

Q1. In Computer programming there is set of subroutine definitions, protocols, and tools for building software and applications. Which among the following is a term for sets of requirements that govern how one application can talk to another?

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Answer: B - An API may be for a web-based system, operating system, database system, computer hardware, or software library. It is an acronym for Application Programming Interface. An API specifies how software components should interact and APIs are used when programming graphical user interface (GUI) components.

Q2. BSoDs can be caused by poorly written device drivers or malfunctioning hardware, such as faulty memory, power supply issues, overheating of components, or hardware running beyond its specification limits. Which colour screen is displayed when encountered a BSOD Error?
A. Red
B. Grey
C. Black
D. Blue

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Answer: D - BSODs appear when Microsoft Windows encounters a critical error it can’t recover from, requiring a reboot and possibly resulting in lost work. It stands for blue screen of death. Blue screens are generally caused by problems with your computer’s hardware or issues with its hardware driver software. A blue screen occurs when Windows encounters a “STOP Error.” This critical failure causes Windows to crash and stop working.

Q3. Which among the following is the smallest unit in an image in a computer screen?
A. Unit
B. Pixel
C. Array
D. Resolution

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Answer: B - In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

Q4. Who among the following is inventor of transistors?
A. Walter Houser Brattain
B. John William
C. John Bardeen
D. Both A. and C.

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Answer: D - Walter Houser Brattain was an American physicist, along with John Bardeen and William Shockley, invented the point-contact transistor.

Q5. In E-R diagram, relationship is represented by _________.
A. diamond shaped
B. circular shaped
C. ellipse shaped
D. square shaped

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Answer: A - Diamond shaped figure is used to represent relationship in E-R diagram.

Q6. What is periodically adding, changing and deleting file records called?
A. renewing
B. upgrading
C. restructuring
D. updating

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Answer: D - Updating is periodically adding, changing and deleting file records.

Q7. What is the short cut key to open Font dialog box in MS Word?
A. Ctrl + F
B. Alt + Ctrl + F
C. Ctrl + D
D. Ctrl + Shift + D

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Answer: C - Ctrl + D is the shortcut key to open font dialog box.

Q8. What is gutter margin?
A. Margin that is added to the left margin when printing
B. Margin that is added to right margin when printing
C. Margin that is added to the binding side of page when printing
D. Margin that is added to the outside of the page when printing

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Answer: C -A gutter margin setting adds extra space to the side margin or top margin of a document that you plan to bind. A gutter margin helps ensure that text isn't obscured by the binding.

Q9. Codec refers to _____?
A. Coder-decoder
B. Co-declaration
C. Command declaration
D. Command decoding

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Answer: A - A codec is a device or computer program for encoding or decoding a digital data stream or signal.

Q10. What are general purpose computers used for?
A. Accounting
B. Creating a small database
C. Performs calculation
D. All of the above

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Answer: D - General purpose computers can perform all those tasks.

Q11. Which of the following is not a programming language?
A. C
B. JavaScript
C. Visual Basic

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Answer: D - HTML

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