Exam (elaborations)
CSI104 Kì 1 Exam With Complete Solution
- Course
- Institution
CSI104 Kì 1 Exam With Complete Solution ...
[Show more]
Content preview
CSI104 Kì 1 Exam WithComplete Solution
The ________ model is the basis for today's computers. - Answer von Neumann
In a computer, the ________ subsystem stores data and programs. - Answer memory
In a computer, the ________ subsystem performs calculations and
logical operations. - Answer ALU
1-4 In a computer, the ________ subsystem accepts data and programs and
sends processing results to output devices. - Answer input/output
1-5 In a computer, the ________ subsystem serves as a manager of the
other subsystems. - Answer control unit
1-6 According to the von Neumann model, ________ are stored in memory. - Answer data
and programs
1-7 A step-by-step solution to a problem is called ________ - Answer an algorithm
1-8 FORTRAN and COBOL are examples of ________ . - Answer computer languages
1-9 A 17th-century computing machine that could perform addition and
subtraction was the ________ - Answer Pascaline
1-10 ________ is a set of instructions in a computer language that tells the
computer what to do with data. - Answer A program
1-11 ________ is the design and writing of a program in structured form. - Answer
Software engineering
1-12 The first electronic special-purpose computer was called ________ - Answer ABC
1-13 One of the first computers based on the von Neumann model was called ________ . -
Answer EDVAC
1-14 The first computing machine to use the idea of storage and
programming was called ________ . - Answer the Jacquard loom
1-15 ________ separated the programming task from computer operation tasks. - Answer
High-level programming languages
,2-1 The base of the decimal number system is ________ - Answer 10
2-2 The base of the binary number system is ________ . - Answer 2
2-3 The base of the octal number system is ________ . - Answer 8
2-4 The base of the hexadecimal number system is ________ . - Answer 16
2-5 When converting a decimal integer to base b, we repeatedly ________ - Answer .
divide by
2-6 When converting a decimal fraction to base b, we repeatedly ________ - Answer
multiply by
3-2 In a set of 64 symbols, each symbol requires a bit pattern length of
________ bits. - Answer 6
3-3 How many symbols can be represented by a bit pattern with ten bits? - 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. - Answer 1100101
3-5 A 32-bit code called ________ represents symbols in all languages. - Answer Unicode
3-6 An image can be represented in a computer using the ________ method. - 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. - 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. - 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. - Answer bitmap
3-10 When we want to store music in a computer, the audio signal must be
________ . - 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? - 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? - Answer 65535
,3-13 Which number representation method is often used to store the
exponential value of a fractional part? - Answer Excess
3-14 In an Excess conversion, we ________ the number to be converted. - Answer add the
bias number to
3-15 When a fractional part is normalized, the computer stores the ________ - 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 ________
representation. - Answer sign-and-magnitude
4-1 ________ is an arithmetic operation. - Answer Subtraction
4-2 ________ is a logical bit operator. - 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. - Answer two's complement
4-4 In two's complement addition, if there is a final carry after the left most
column addition, ________ . - Answer discard it
4-5 For an 8-bit allocation, the smallest decimal number that can be
represented in two's complement form is ________ - Answer -128
4-6 For an 8-bit allocation, the largest decimal number that can be
represented in two's complement form is ________ - Answer 127
4-7 In two's complement representation with a 4-bit allocation, we get
________ when we add 1 to 7. - Answer -8
4-8 In two's complement representation with a 4-bit allocation, we get
________ when we add 5 to 5. - Answer -6
4-9 If the exponent in Excess_127 is binary 10000101, the exponent in
decimal is ________ . - Answer 6
4-10 If we are adding two numbers, one of which has an exponent value of 7
and the other an exponent value of 9, we need to shift the decimal point of the
smaller number ________ . - Answer two places to the left
, 4-11 ________ operator (s) takes two inputs to produce one output. - Answer AND, OR, or
XOR
4-12 The unary ________ operator inverts its single input. - Answer NOT
4-13 ________ operator (s), if the input is two 0s, the output is 0. - Answer In AND, OR, or
XOR
4-14 ________ operator (s), if the input is two 1s, the output is 0. - Answer In only XOR
4-15 For the binary AND operation, only an input of ________ gives an
output of 1. - Answer two 1s
4-16 For the binary OR operation, only an input of ________ gives an output of 0. - Answer
two 0s
4-17 We use a bit pattern called a ________ to modify another bit pattern. - Answer mask
4-18 To flip all the bits of a bit pattern, make a mask of all 1s and then
________ the bit pattern and the mask. - Answer XOR
4-19 To un-set (force to 0) all the bits of a bit pattern, make a mask of all 0s
and then ________ the bit pattern and the mask. - Answer AND
4-20 To set (force to 1) all the bits of a bit pattern, make a mask of all 1s and then
________ the bit pattern and the mask. - Answer OR
5-1 The ________ is a computer subsystem that performs operations on
data. - Answer CPU
5-2 ________ is a stand-alone storage location that holds data temporarily. - Answer A
register
5-3 ________ is a unit that can add two inputs. - Answer An ALU
5-4 A register in a CPU can hold ________ . - Answer data, instruction, or program
counter values
5-5 A control unit with five wires can define up to ________ operations. - Answer 32
5-6 A word can be ________ bits. - Answer 8, or 16, or 32
5-7 If the memory address space is 16 MB and the word size is 8 bits, then________ bits
are needed to access each word. - Answer 24
5-8 The data in ________ is erased if the computer is powered down. - Answer RAM
5-9 ________ is a memory type with capacitors that need to be refreshed periodically. -
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 Zayla. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76799 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now