MCQ Class 9 Computer Science Introduction to Computers

Check the below Introduction to Computers Class 9 MCQ for Computer Science with Answers available with PDF free download. MCQ Questions for Class 9 Computer Science with Answers were prepared based on the latest syllabus and examination pattern issued by CBSE, NCERT and KVS. Our teachers have provided below Introduction to Computers Class 9 Computer Science MCQs Questions with answers which will help students to revise and get more marks in exams

Introduction to Computers Class 9 Computer Science MCQ Questions with Answers

Refer below for Introduction to Computers Class 9 MCQ with solutions. Solve MCQ questions and compare them with the answers provided below

Question. In —————very large scale integration (VLSI) became more and more common.
(a). 1980‟s
(b). 1990‟s
(c). 1950‟s
(d) 1970‟s

Question. Vacuum tubes were used in ————— generation of computers.
(a). 3rd
(b).2nd
(c).1st
(d)4th

Question. The most important computers of first generation were————–and ——————.
(a). ENIAC and UNIVAC
(b). ENIAC & EDVAC
(c). EDVAC & UNIVAC
(d) ENIAC and ANSII

Question. History of computers starts out about ………….. years ago
(a).4000
(b).5000
(c).50000
(d)3000

Question. John Napier a Scottish mathematician created ……………… tables to facilitate calculations.
(a). Numeric
(b).mathematical
(c).logarithmic
(d).tabular

Question. John Napier created a device using ………… to perform arithmetic calculations.
(a).rods
(b).beads
(c). Wires
(d).CPU

Question. People used the concept of logarithms to develop the ………………… rule.
(a).addition
(b).slide
(c).counting
(d)calculating

Question. Slide rule was used till the middle …………
(a).70‟s
(b).60‟s
(c).80‟s
(d). 50‟s

Question. Pascal invented the machine that has the system of ………
(a).Gears
(b).steps
(c).boxes
(d).circuits

Question. A computer is an electronic device that processes ———- and converts it into …………….
(a). document, information
(b).data, information
(c).information, process
(d).data, sequence

Question. Computers run ………. Which process data and perform tasks based on the instructions contained in the program.
(a).CPU
(b).program
(c). Machine
(d).data

Question. Printing books and tracking inventory are some examples of …………………. Applications
(a).computer
(b).calculator
(c).programming
(d). Hardware

Question. Pascal calculators were not accepted commercially just because of lack of ………….. for practical use.
(a). digits
(b).precision
(c).correction
(d).numbers

Question. ………….. Produced a machine that was similar to Pascal but more reliable and accurate.
(a). Von Leibniz
(b).Napier
(c).Von Neumann
(d).Pascal

Question. Charles Babbage designed an automatic mechanical calculating machine called a …………….
(a). Variation engine
(b). Analytical engine
(c).computer engine
(d). Difference engine

Question. Difference Engine was designed in ……………..
(a). 1822
(b). 1852
(c). 1842
(d) 1832

Question. In 1981, IBM called its first microcomputer the——————
(a). IBM-360
(b).IBM-PC
(c).Mark-1
(d).none of the above

Question. Set of instruction to solve any kind of problem is called …………………..
(a).computer program
(b).code
(c).software
(d). information

Question. ———————- are a way of communicating with the computer.
(a).natural language
(b).high language
(c). human language
(d). computer language

Question. Babbage constructed fully program controlled, automatic mechanical digital computer called
(a).Difference Engine
(b).Calculating Engine
(c).Variation Engine
(d). Analytical engine

Question. Analytical engine was supposed to operate automatically by ……………. And require only one person.
(a). Electricity
(b).Water
(c). Steam power
(d) automatic

Question. Punch cards were used by ………………
(a). Napier
(b).Hollerith
(c). Pascal
(d).John Neumann

Question. In 1890 Herman Hollerith developed the first electro-mechanical ………………..tabulator.
(a). keyboard
(b).punched card
(c). geared
(d) slide rule

Question. Stored program technique was invented by ……………………
(a). Von Neumann
(b).Napier
(c).Mauchley
(d) Bill-gates

Question. … and …. can be stored in the same memory. Thus the machine can itself alter either its program or internal data.
(a). data, information
(b).data and program
(c). data, software
(d) data, hardware

Question. ………… and …………….. were the first commercially available computer.
(a). EDVAC, UNIVAC
(b). EDVAC, ENIAC
(c). EDSAC, UNIVAC
(d) EDVAC, ANSII

Question. ENIAC consumed———-kilowatts of power and was capable of doing ——— additions.
(a). 150,5000
(b).130,4000
(c). 140,5000
(d).140,4000

Question. ENIAC was a decimal rather than a ——————- machine.
(a). Binary
(b).Digital
(c). Low Level
(d) High Level

Question. The major drawback of ————— was that it had to be programmed manually by setting switches and plugging and unplugging cables.
(a). ENIAC
(b).EDVAC
(c).UNIVAC
(d).ANSII

Question. First computer developed for commercial use was…………………….
(a). ENIAC
(b).EDVAC
(c).UNIVAC
(d).ANSII

Fill in the Blanks

Question. HLL stands for _________________ .

Question. ICs stand for___________

Question. In third generation computers were used instead of transistors

Question. Napier’s idea of logarithm gave birth to another very useful and commonly used calculating device called________

Question. A slide rule consists of two scales __________ and__________.

Question. AI stands for_________________________________________.

Question. PROLOG stands for________________________________•

Question. There are three categorizers of computers depending upon the design and technology 1)______2)______3)________.

Question. An______computer accepts data in continuous or physical form.

Question. The __________is an example of an analog-processing device, which means that the numbers are represented by position on a scale rather than by digits.

Question. The lifetime project of Charles Babbage was to build a new machine known as ___

Question. Analytical engine was consisted of five units i)______ii)_______ iii)_______ iv) _______v)_______.

Question. The__________ unit of analytical engine was used to store the numbers fed to the machine and also those numbers that were generated during the process of problem solving.

Question. There are four main types of computers depending upon the size and speed of the computer which are 1)________2)________3)___________4)___________.

Question. _____________are the largest, fastest and most expensive computers developed to solve the complicated problems.