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Problem Solving Assessment(PSA)
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Question-1
Which type of computer we see in our school and homes?
(A)
Minicomputers
(B)
Mainframe computers
(C)
Microcomputers
(D)
Supercomputers
Question-2
_______ consists of rings that slide over rods.
(A)
Napier’s Bone
(B)
Slide tube
(C)
Abacus
(D)
Calculators.
Question-3
______ was the first to advocate the use of binary number system.
(A)
Thomas Alva Edison
(B)
Joseph Marie Jacquard
(C)
Leibniz
(D)
None of these
Question-4
The earliest counting device, which was assumed in the form of a ________
(A)
calculator
(B)
Tally stick
(C)
Both 1&2
(D)
None of these
Question-5
The Roman abacus was used in _______ as early as 2400 BC.
(A)
Babylonia
(B)
Canada
(C)
America
(D)
None of these
Question-6
The first generation computers used ____
(A)
Integrated chip
(B)
Vacuum tubes
(C)
All the above
(D)
None of these
Question-7
What is LSI stands for?
(A)
Large Scale Integrated circuits
(B)
Little Smaller Integrated Chips
(C)
Large System Integrated
(D)
None of these
Question-8
Stepped Reckoner was a calculator that could perform _________ operations.
(A)
Addition, subtraction
(B)
Multiplication
(C)
Division
(D)
All the above
Question-9
________ was the first successful, mass-produced mechanical calculators invents by Charles Xavier Thomas.
(A)
Stepped Reckoner
(B)
Thomas Arithmometer
(C)
Pascline
(D)
None of above
Question-10
Who launched the first PC and in which year?
(A)
IBM in 1981.
(B)
Apple in 1938
(C)
IBM in 1961
(D)
Apple in 1948
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Std 9
CBSE
Practice in Related Chapters
Computer Crimes
Computer Software
Computer Language
Number system
Input- Output Devices
Memory
The Computer System
Windows Accessories
Microsoft Word Basics
Windows Operating System
Microsoft Power Point
Windows
Computer and Convergence
Peripherals
Files and Folders
Memory and Software
Accessories
MS-Word
Formating in Word
Communication Technology
Page Layout and Tables in Word
Enhancing Your Document
Social Impacts of IT
Content Technology
Formulas and Charts
Introduction to Power Point
Manipulating Slides in PowerPoint
MS Excel
Introduction To Ms-Excel
Input-Output Devices and Data Recording Media
Computer Languages
Evolution and History of Computer
The Evolution and Classification of Computers
The Computer System
Computer Languages and Software
Communication Technology
Introduction to Microsoft Excel
Microsoft Excel - Basics
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