Q.61 Which of the following devices can be used to directly image printed text?
OCR
OMR
MICR
None
Explanation
OCR (Optical Character Recognition) technology scans printed or handwritten text and converts it into machine-readable data.
Q.62 The output quality of a printer is traditionally measured in?
Dot per inch
Dot per sq. inch
Dots printed per unit time
None
Explanation
Printer resolution and quality are often expressed in terms of dots per square inch to indicate the density of the printed output.
Q.63 In an analogue computer, which of the following is true?
Input is first converted to digital form
Input is never converted to digital form
Output is displayed in digital form
None
Explanation
Analog computers process continuous physical phenomena (like voltage or pressure) directly without converting them into discrete digital bits.
Q.64 In the latest generation of computers, instructions are executed?
Parallel only
Sequentially only
Both sequential and parallel
None
Explanation
Modern computing systems utilize both sequential execution for logical flow and parallel processing for high-speed performance.
Q.65 Who designed the first electronic computer, ENIAC?
Van Neuman
Joseph M. Jacquard
J. Presper Eckert and John W. Mauchly
None
Explanation
ENIAC was designed and built at the University of Pennsylvania by J. Presper Eckert and John Mauchly.
Q.66 Which mathematical operations can an Abacus perform?
Addition
Subtraction
Multiplication
Both A & B
Explanation
The Abacus is an ancient manual calculating tool primarily used for basic addition and subtraction.
Q.67 Personnel who design, program, operate, and maintain computer equipment are referred to as?
Console operator
Peopleware
Programmer
None
Explanation
Peopleware refers to the human component of a computer system, including the specialists who build and manage the equipment.
Q.68 In which year did the major rivals IBM and Apple Computers Inc. decide to join forces?
1789
1974
1991
None
Explanation
In 1991, Apple and IBM entered into a historic partnership to develop new software standards and the PowerPC architecture.
Q.69 While humans are 'Homo Sapiens', which device is colloquially called 'Silico Sapiens'?
Monitor
Hardware
Robot
Computer
Explanation
Computers are sometimes called ‘Silico Sapiens’ because their ‘intelligence’ is based on silicon chips.
Q.70 An error in software or hardware is called a 'bug'. What is the alternative computer jargon for it?
Leech
Glitch
Robot
Computer
Explanation
A glitch is a short-lived fault in a system, often used interchangeably with ‘bug’ to describe minor technical errors.
Q.71 Modern computers are extremely reliable, but they are NOT?
Fast
Infallible
Robot
Cheap
Explanation
Modern computers are reliable but not infallible, meaning they are still capable of making errors due to logical flaws or hardware failure.
Q.72 What is the name of the display feature that highlights areas of the screen requiring attention?
Pixel
Pixa
Reverse video
Cursor
Explanation
Reverse video swaps the background and foreground colors on a display to highlight specific text or items for the user.
Q.73 Personal computers use chips mounted on a main circuit board. What is the common name for this board?
Motherboard
Father board
Reverse
Cursor
Explanation
The motherboard is the main printed circuit board that connects all the vital components of a computer, such as the CPU and RAM.
Q.74 What is meant by a 'dedicated computer'?
Which is used by one person only
Which is used by one person one
Which is used by application software
Which is assigned one and only one task
Explanation
A dedicated computer is a system designed to perform a specific, singular function rather than general-purpose tasks.
Q.75 The 'Pascaline' mechanical calculator is also famously known as the?
Abacus
Adding Machine
Division Machine
Difference Machine
Explanation
Invented by Blaise Pascal in 1642, the Pascaline was the first functional mechanical adding machine.
Q.76 Punched cards were first introduced into the computing/mechanical world by?
Powers
Pascal
Herman Hollerith
Jacquard
Explanation
Joseph Marie Jacquard first used punched cards to automate patterns in his weaving looms, a concept later adapted for data processing.
Q.77 A computer program that translates an entire source file into machine language at once is a?
Interpreter
Compiler
Simulator
None
Explanation
A compiler translates the entire high-level code into machine code (object code) before the program is executed.
Q.78 A computer program that translates code line-by-line into machine code during execution is a?
Interpreter
Compiler
Simulator
None
Explanation
An interpreter translates and executes instructions one by one, rather than compiling the entire program beforehand.
Q.79 A 'smart' or intelligent device is so called because it contains a built-in?
Sensor
Computer
Simulator
None
Explanation
Intelligence in small devices is often achieved through sensors that allow the device to react to environmental changes.
Q.80 A fault in a computer program that prevents it from working correctly is known as a?
Boot
Biff
Bug
Strap
Explanation
A ‘bug’ is a technical term for an error, flaw, or fault in a computer program or system.
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