PFE

• Modern computers can compare lengthy strings of 0s and 1s to make basic decisions. This is made impossible by binary coding and Boolean

  algebra.

  FALSE
• He is the "father of modern computing"

  Turing
• This company originally intended to produce memory chips, but when it received a request to produce chips for a variety of pocket calculators,

  history took a different turn, giving rise to the microprocessor

  Intel
• He thought he could replace vacuum tubes with semiconductors to create a more effective amplifier.

  Shockley
• For yet another significant contribution to computers, ___ is remembered. He was the creator of binary coding, which uses only the digits 0 and

  1 to express any decimal value

  Leibniz
• n 500 BC, this was developed in the Middle East, and it remained the fastest type of calculator until the middle of the 17th century


  Abacus
• Who discovered how to combine electrical circuits to interpret binary code with Boolean algebra and make straightforward decisions.

  Shannon
• "On computable numbers, with an application to the Entscheidungs problem". Who wrote this?

  Turing
• He still needed to connect the parts of his integrated circuit by hand. This is a ___.

  problem with Kilby's creation
• Bush's 1945 design for the ___, a memory-sharing and sharing device, was one of his final wartime contributions. Tim Berners-Lee would

  eventually be inspired to create the World Wide Web by this design

  memex
• Which statement(s) is/are true?

  S1) After EDVAC, Eckert and Mauchly developed UNIVAC 1

  S2) Electronic Delay Storage Automatic Calculator was built by Maurice Wilkes.

  S3) In binary numbers, on is represented by 1 and off by 0.

  All statements are true.
• "Technology's benefits come with some extra baggage in the shape of negative aspects that pose a threat to the commercial world." The

  statement given is?

  True
• Lenovo indeed sold the branch to IBM in 2004. Despite offers from Dell and private equity firms.

  False
• As he discovered his device might be used for other purposes, he founded the Tabulating Machine Company in 1896 to produce tabulator

  machines on a commercial scale. Who is this?

  Hollerith
• For the purpose of assembling census data, Hollerith created one of the earliest usable calculators, which he named a ___

  tabulator
• Which of the following statement(s) is/are true?

  S1) The building block microprocesses of Intel company is Intel 4004.

  S2) Soon after Intel introduced the 8080, computer enthusiasts began constructing their own home computers using this well-liked chip.

  S2 is true.
• A sequence of finite steps placed in a certain logical order is called an ___, and when it is used correctly, it can solve a given problem

  algorithm
• Computer can perform millions of calculations in a few minutes as compared to man who will spend many months for doing the same task

  SECONDS NOT MINS
• Which of the following statement(s) is/are true?

  S1) Gary Kildall accused Gates, Jobs and IBM of copying his CPM idea.

  S2) IBM turned to a young programmer named Bill Gates. His then tiny company, Microsoft, rapidly put together an operating system called

  S2 is true
• A computer cannot take any decision on its own. A computer is a machine that has no intelligence to perform any task.No I.Q.

  No I.Q.
• Gate is to windows: Jobs is to

  Macintosh
• Computer is an electronic data processing device which:

  1. Accepts and stores data input. B) Processes the data input.

  B) Generates the output in a required format. D) All of the choices.

  D
• Computer can store large amount of data. It can store any type of data such as images, videos, text, audio and many others

  1. Versatility B) Accuracy C) Storage capability D) None of the choices.

  C
• Which of the following statement(s) is/are true?

  S1) A spreadsheet and disk drive combination elevated the Apple I to a truly respectable device for small businesses.

  S2) After selling about 50,000 of the apple computers in just 2.5 years, Apple company swiftly grew from Jobs' garage to rank among the

  largest corporations in the US.

  1. S1 is true. B) S2 is true. C) Both statements are true. D) None of the choices

  D
• Only ___ numbers can understand by computers.

  1. 1 or 0 B) 0-9 C) 1-10 D) All of the choices

  A
• Which of the following statement(s) is/are true?

  S1) Xerox had started developing computers in the early 1970s, believing they would make paper obsolete .

  S2) The Xerox Alto computer was one of PARC's research projects. The Alto had the first graphical user interface, a desktop -like screen with

  small picture icons that could be dragged about with a mouse, in contrast to other microcomputers that were programmed by typ ing in text

  commands.

  1. S1 is true. B) S2 is true. C) Both statements are true. D) None of the choices


  C
• Computers are widely used in engineering purpose. One of major areas is CAD that provides creation and modification of images. What is the

  meaning of CAD?

  1. Computer Aided Design B) Computer Aid Design C) Computer Aided Designer D) None of the choices


  A
• Which of the following statement(s) is/are true?

  S1) Woz is a technically brilliant and highly creative engineer and a hacker.

  S2) Woz used a 6502 microprocessor and this processor is made by Intel company.

  1. S1 is true. B) S2 is true. C) Both statements are true. D) None of the choices.

  A
• It is the number of cycles a cpu execute per second.

  1. clock B) processor C) clock speed D) All of the choices

  C
• Once a program is given to computer, the program and instruction can control the program execution without human interaction.

  1. Automation B) Reliability C) No I.Q. D) None of the choices.

  A
• Which of the following statement(s) is/are false?

  S1) In order to input information into a computer and to understand the results of computing calculations, we need input and output devices.

  S2) Input and output devices are disconnected to the computer via interfaces such as USB, Firewire or detected wirelessly.

  1. S1 is false. B) S2 is false. C) Both statements are false. D) None of the choices.


  B
• is the earliest type of analog modulator and is still employed at certain frequencies in radio broadcasting.

  1. FM B) AM C) PM D) None to the choices.

  D
• i3 is made by intel. i9 is made by ___?

  1. intel B) ryzen C) ibm D) None to the choices

  A
• The following are false except;

  1. Hardware and software are mutually independent on each other. C) Software can be utilized without supporting hardware.

  B) To get a particular job done on the computer, irrelevant software should be loaded into the hardware D) None of the choices.

  D
• A software called system software are created to run, manage, and increase the computer's processing power. And this is the ___ of all

  software.

  1. soul B) mother C) heart D) None to the choices

  B
• To provide timing for a computer, the ___ continuously pulses out regular intervals. All other computer components, including the CPU and

  busses, are synchronized by it.

  1. clock cycle B) system clock C) hertz D) None to the choices.

  B
• To provide timing for a computer, the ___ continuously pulses out regular intervals. All other computer components, including the CPU and

  busses, are synchronized by it.

  1. clock cycle B) system clock C) hertz D) None to the choices

  B) system clock
• ___ point called a port is used to connect an external device to a computer.

  1. internal locking B) physical docking C) whole D) None to the choices.

  B
• Blue ray disc can be composed of ___ dvd-r.

  1. 51 B) 61 C) 71 D) None to the choices

  D
• Which of the following statement(s) is/are false?

  S1) Plotter are special impact printer that can print large format tarpaulins.

  S2) Dot matrix printers uses continuous ink supply system. And this printer is much noisier than inkjet printers.

  1. S1 is false. B) S2 is false. C) Both statements are false. D) None of the choices.

  C