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Test: Introduction of Computers - Class 7 MCQ


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10 Questions MCQ Test Computer Science for Class 7 - Test: Introduction of Computers

Test: Introduction of Computers for Class 7 2024 is part of Computer Science for Class 7 preparation. The Test: Introduction of Computers questions and answers have been prepared according to the Class 7 exam syllabus.The Test: Introduction of Computers MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Introduction of Computers below.
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Test: Introduction of Computers - Question 1

What is the primary purpose of data processing in a computer?

Detailed Solution for Test: Introduction of Computers - Question 1
Data processing in a computer primarily aims to convert raw data into meaningful information. This process involves various operations such as calculations, transformations, and formatting to make the data useful and understandable to users.
Test: Introduction of Computers - Question 2

What does GIGO stand for in the context of computer errors?

Detailed Solution for Test: Introduction of Computers - Question 2
GIGO stands for "Garbage In, Garbage Out." This concept emphasizes that if incorrect or unreliable data is input into a computer or if the program is flawed, the output will also be incorrect or unreliable.
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Test: Introduction of Computers - Question 3

Which characteristic of computers ensures that they can perform tasks without human assistance?

Detailed Solution for Test: Introduction of Computers - Question 3
The characteristic of "Automation" allows computers to perform tasks without human assistance. However, they require programmed instructions (software) to carry out specific tasks.
Test: Introduction of Computers - Question 4
What type of machine used cards with holes punched on them for programmable automation in the early 19th century?
Detailed Solution for Test: Introduction of Computers - Question 4
Jacquard's loom used cards with holes punched on them for programmable automation in the early 19th century, allowing for the automatic weaving of cotton.
Test: Introduction of Computers - Question 5
Which inventor is often referred to as the "father of modern computer" and designed the Analytical Engine?
Detailed Solution for Test: Introduction of Computers - Question 5
Charles Babbage is often referred to as the "father of modern computer." He designed the Analytical Engine, a pioneering concept that laid the foundation for modern computers.
Test: Introduction of Computers - Question 6
Which computer was the first to introduce the "stored program concept" to overcome the limitation of wired programs?
Detailed Solution for Test: Introduction of Computers - Question 6
The EDVAC (Electronic Discrete Variable Automatic Computer) was the first computer to introduce the "stored program concept." This concept allowed instructions and data to be stored in the computer's memory, providing flexibility in program execution.
Test: Introduction of Computers - Question 7
What was the main drawback of the ENIAC computer, which led to the introduction of the stored program concept?
Detailed Solution for Test: Introduction of Computers - Question 7
The main drawback of the ENIAC computer was its requirement for rewiring to change the program. This limitation was overcome with the introduction of the "stored program concept," which allowed programs to be stored in memory and easily modified.
Test: Introduction of Computers - Question 8
What is the primary role of the CPU (Central Processing Unit) in a computer?
Detailed Solution for Test: Introduction of Computers - Question 8
The primary role of the CPU (Central Processing Unit) in a computer is to perform arithmetic and logical operations. It is often referred to as the "brain" of the computer as it controls data processing and execution of instructions.
Test: Introduction of Computers - Question 9
In terms of speed measurement, what does MIPS stand for?
Detailed Solution for Test: Introduction of Computers - Question 9
MIPS stands for "Million Instructions Per Second." It is a measure of a computer's processing speed, indicating how many instructions it can execute in one second.
Test: Introduction of Computers - Question 10
Which computer was the first commercially available digital computer for business and scientific applications?
Detailed Solution for Test: Introduction of Computers - Question 10
UNIVAC (Universal Automatic Computer) was the first commercially available digital computer for both business and scientific applications. It marked a significant milestone in the history of computing.
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