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COSC 100 Exam Questions with correct Answers
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COSC 100 Exam Questions with correctAnswers
Blaise Pascal creates the world's first? - Answer -D.Mechanical calculator
Eckert and Mauchly were acquired by what company that developed the UNIVAC
computer, the world's first commercial computer, which was used to automate the
census? - Answer -Remington Rand
Who is the person noted for finding the first computer bug (a moth) and for contributing
to COBOL? - Answer -Grace Hopper
Eckert and Mauchy, working at the U. Penn., design what machine that uses Vacuum
tubes as its switching device? - Answer -ENIAC
William Shockley is noted as the Father of? - Answer -The transistor
What is a Turing machine? - Answer -A minimal theoretical computer
Who assisted Charles Baggage in explaining the Analytic Engine, she is considered to
be the world's first programmer? - Answer -Ada Byron
Who In the 1600's discovered logarithms? - Answer -John Napier
Who invented Collosus, a machine used to decode messages in WW II that were
encrypted by the Enigma machine? Alan Turing - Answer -Alan Turing
What was used to program Jacquard's loom? - Answer -Wooden cards
The EDVAC computer developed by Dr. John von Nueman is the what hat kind of
machine? - Answer -Binary Based Computer
A finite sequence of executable steps that ultimately terminates and perform some task
(solve some problem) is called _____________. - Answer -an algorithm
Jack St. Clair Kilby invented what, which has many embedded transistors? - Answer -
Integrated circuit
,Steve Woznick and Steve Jobs found what company with created the first single board
computer? - Answer -Apple
What company reversed engineered the ROM of the IBM personal computer that then
opened up the personal computer clone market?
Select one: - Answer -Compaq
Who invented the WWW? - Answer -Tim Berners-Lee
Google was founded by who? - Answer -Larry Page and Sergey Brim
What company retains the intellectual property for the design of microchips used in
smartphones, satellite TV boxes, and other devices; the intellectual property is licensed
to chip manufacturers? - Answer -ARM
What is an algorithm that can be executed on a computer? - Answer -Program
What is the term for separating the use of components from the implementation details?
- Answer -Abstraction
By using a logarithmic scale, multiplication problems are solved using what
mathematical operation? - Answer -Addition
The first machine that had the functions of a modern computer was designed but was
never built. - Answer -1840's
The Mark-I computer used what as its switching devices? - Answer -Relays
What company was responsible for the first commercial computer in 1950 and sold
about 40 of them for $1,000,000 a piece? - Answer -Remington Rand
What did Jacquard's loom, many early computers, the analytical engine, and the first
machines to do the census have in common? - Answer -punched cards
The physical components of a computer are called? - Answer -hardware
Algorithms, programs, executables are collectively referred to as: - Answer -software
Who was known as the Father of Computing for his design of the analytical engine? -
Answer -Charles Babbage
A single bit can be used to represent which of the following: - Answer -Invoice paid
What is the largest integer that can be represented an unsigned binary integer notation
in which each value is represented by 4 bits (don't forget to account for 0)? - Answer -15
, How many different states can be represented by 5 bits? - Answer -32
What positional value is associated with the bit at the highlighted bit position?
________
^ - Answer -2 to the third power
What is the result of:
000110+ 000011 - Answer -001001
What unsigned decimal integer value is represented by the bit pattern 00100011? -
Answer -35
What positional value is associated with the bit positioned above the ^ ?
_ _ _ _ _ _ _ _^ - Answer -2 to the 5 power
In which of the following addition problems (using two's complement notation) does an
overflow error occur? - Answer -0100+ 0100
What is the result of: 000110 x 000011 - Answer -010010
Which of the following bit patterns represents the value 26 in two's complement
notation?
Select one: - Answer -00011010
Interpreting the bits in this problem as 2's complement numbers, what is the result of
addition? 00110101 + 00110010 - Answer -01100111
Which of the following representations in two's complement notation represents the
largest value? - Answer -00000010
Which of the following bit patterns represents the value -6 in two's complement
notation? - Answer -11111010
What is the largest unsigned integer that can be represented eight bits (keep in mind
zero must be accounted for)? - Answer -255
How many different states can be represented by five bits? - Answer -32
Assuming two's complement notation, what is the result of?
00110101+ 11111111 - Answer -00110100
What is the largest positive integer that can be represented in 8-bit two's complement
notation? - Answer -127
Adding unsigned binary numbers 11111111 and 11111111 will encounter what kind of
error if the result is to be stored as an eight-bit unsigned number? - Answer -overflow
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