CSI104 Actual Exam Questions and
CORRECT Answers
The ________ model is the basis for today's computers. - CORRECT ANSWER- von
Neumann
In a computer, the ________ subsystem stores data and programs. - CORRECT
ANSWER- memory
In a computer, the ________ subsystem performs calculations and
lo...
CSI104 Actual Exam Questions and
CORRECT Answers
The ________ model is the basis for today's computers. - CORRECT ANSWER✔✔- von
Neumann
In a computer, the ________ subsystem stores data and programs. - CORRECT
ANSWER✔✔- memory
In a computer, the ________ subsystem performs calculations and
logical operations. - CORRECT ANSWER✔✔- ALU
1-4 In a computer, the ________ subsystem accepts data and programs and
sends processing results to output devices. - CORRECT ANSWER✔✔- input/output
1-5 In a computer, the ________ subsystem serves as a manager of the
other subsystems. - CORRECT ANSWER✔✔- control unit
1-6 According to the von Neumann model, ________ are stored in memory. - CORRECT
ANSWER✔✔- data and programs
1-7 A step-by-step solution to a problem is called ________ - CORRECT ANSWER✔✔- an
algorithm
1-8 FORTRAN and COBOL are examples of ________ . - CORRECT ANSWER✔✔-
computer languages
1-9 A 17th-century computing machine that could perform addition and
subtraction was the ________ - CORRECT ANSWER✔✔- Pascaline
1-10 ________ is a set of instructions in a computer language that tells the
,computer what to do with data. - CORRECT ANSWER✔✔- A program
1-11 ________ is the design and writing of a program in structured form. - CORRECT
ANSWER✔✔- Software engineering
1-12 The first electronic special-purpose computer was called ________ - CORRECT
ANSWER✔✔- ABC
1-13 One of the first computers based on the von Neumann model was called ________ . -
CORRECT ANSWER✔✔- EDVAC
1-14 The first computing machine to use the idea of storage and
programming was called ________ . - CORRECT ANSWER✔✔- the Jacquard loom
1-15 ________ separated the programming task from computer operation tasks. - CORRECT
ANSWER✔✔- High-level programming languages
2-1 The base of the decimal number system is ________ - CORRECT ANSWER✔✔- 10
2-2 The base of the binary number system is ________ . - CORRECT ANSWER✔✔- 2
2-3 The base of the octal number system is ________ . - CORRECT ANSWER✔✔- 8
2-4 The base of the hexadecimal number system is ________ . - CORRECT ANSWER✔✔-
16
2-5 When converting a decimal integer to base b, we repeatedly ________ - CORRECT
ANSWER✔✔- . divide by
2-6 When converting a decimal fraction to base b, we repeatedly ________ - CORRECT
ANSWER✔✔- multiply by
,3-2 In a set of 64 symbols, each symbol requires a bit pattern length of
________ bits. - CORRECT ANSWER✔✔- 6
3-3 How many symbols can be represented by a bit pattern with ten bits? - CORRECT
ANSWER✔✔- 1024
3-4 If the ASCII code for E is 1000101, then the ASCII code for e is
________ . Answer the question without consulting the ASCII table. - CORRECT
ANSWER✔✔- 1100101
3-5 A 32-bit code called ________ represents symbols in all languages. - CORRECT
ANSWER✔✔- Unicode
3-6 An image can be represented in a computer using the ________ method. - CORRECT
ANSWER✔✔- either bitmap or vector graphic
3-7 In the ________ graphic method of representing an image in a computer,
each pixel is assigned a bit patterns. - CORRECT ANSWER✔✔- bitmap
3-8 In the ________ graphic method of representing an image in a computer,
the image is decomposed into a combination of geometrical figures. - CORRECT
ANSWER✔✔- vector
3-9 In the ________ graphic method of representing an image in a computer,
re-scaling of the image creates a ragged or grainy image. - CORRECT ANSWER✔✔- bitmap
3-10 When we want to store music in a computer, the audio signal must be
________ . - CORRECT ANSWER✔✔- sampled, quantized, and coded
3-11 A floating-point value after normalization is (1.0101) ? 2?4. What is the
value of exponent section in the Excess-127 representation? - CORRECT ANSWER✔✔- 123
, 3-12 Assume a new Excess system uses 17 bits to represent the exponent
section. What is the bias value in this system? - CORRECT ANSWER✔✔- 65535
3-13 Which number representation method is often used to store the
exponential value of a fractional part? - CORRECT ANSWER✔✔- Excess
3-14 In an Excess conversion, we ________ the number to be converted. - CORRECT
ANSWER✔✔- add the bias number to
3-15 When a fractional part is normalized, the computer stores the ________ - CORRECT
ANSWER✔✔- the sign, exponent, and mantissa
3-17 The combination of sign and mantissa of a real number in IEEE
standard floating point format is stored as an integer in the ________
4-1 ________ is an arithmetic operation. - CORRECT ANSWER✔✔- Subtraction
4-2 ________ is a logical bit operator. - CORRECT ANSWER✔✔- exclusive OR, unary
NOT, or binary AND
4-3 The ________ method of integer representation is the most common
method for storing integers in computer memory. - CORRECT ANSWER✔✔- two's
complement
4-4 In two's complement addition, if there is a final carry after the left most
column addition, ________ . - CORRECT ANSWER✔✔- discard it
4-5 For an 8-bit allocation, the smallest decimal number that can be
represented in two's complement form is ________ - CORRECT ANSWER✔✔- -128
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
