10/11/21, 10:37 AM
Quiz on Chapter 1: Attempt review
Dashboard
Started on Friday, 24 September 2021, 11:20 AM
State Finished
Completed on Friday, 24 September 2021, 11:33 AM
Time taken 13 mins 15 secs
Marks 25/25
Grade 10 out of 10 (100%)
Question 1
Correct
Mark 1 out of 1
Each instruction cycle consists of two sub-cycles namely, fetch cycle and execute cycle.
Select one:
True 
False
Question 2
Correct
Mark 1 out of 1
The fundamental building block of the ENIAC (Electronic Numerical Integrator And Computer) machine
was transistors.
Select one:
True
False 
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Quiz on Chapter 1: Attempt review
Question 3
Correct
Mark 1 out of 1
The von Neumann architecture is a design model for a stored-program digital computer that uses a
central processing unit (CPU) and a single separate storage structure ("memory") to hold both
instructions and data.
Select one:
True 
False
Question 4
Correct
Mark 1 out of 1
The MBR (Memory Buffer Register) contains a word to be stored in memory or sent to the I/O unit.
Select one:
True 
False
Question 5
Correct
Mark 1 out of 1
An address bus is a portion of the system bus used for the transfer of data.
Select one:
True
False 
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Quiz on Chapter 1: Attempt review
Question 6
Correct
Mark 1 out of 1
LOAD instruction loads data from CPU registers into memory.
Select one:
True
False 
Question 7
Correct
Mark 1 out of 1
Second-generation computers moved from cryptic binary machine language to assembly languages,
which allowed programmers to specify instructions in words.
Select one:
True 
False
Question 8
Correct
Mark 1 out of 1
The UNIVAC (Universal Automatic Computer) and ENIAC computers are examples of first-generation
computing devices.
Select one:
True 
False
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Quiz on Chapter 1: Attempt review
Question 9
Correct
Mark 1 out of 1
A control bus is a portion of the system bus used for the transfer of address.
Select one:
True
False 
Question 10
Correct
Mark 1 out of 1
A stored-program computer is one that stores program instructions in electronic memory.
Select one:
True 
False
Question 11
Correct
Mark 1 out of 1
A bus is a shared communication path consisting of one or a collection of conducting wires.
Select one:
True 
False
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Quiz on Chapter 1: Attempt review
Question 12
Correct
Mark 1 out of 1
The microprocessor brought the fourth generation of computers, as thousands of integrated circuits
were built onto a single silicon chip.
Select one:
True 
False
Question 13
Correct
Mark 1 out of 1
First generation computers relied on machine language, the lowest-level programming language
understood by computers, to perform operations, and they could only solve one problem at a time.
Select one:
True 
False
Question 14
Correct
Mark 1 out of 1
The transistor was far superior to the vacuum tube, allowing computers to become smaller, faster,
cheaper, more energy-efficient and more reliable than their first-generation predecessors.
Select one:
True 
False
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Quiz on Chapter 1: Attempt review
Question 15
Correct
Mark 1 out of 1
During the fetch cycle, the opcode (operational code) of the next instruction is loaded into the IR
(instruction register) and the address portion is loaded into the MBR.
Select one:
True
False 
Question 16
Correct
Mark 1 out of 1
Integrated circuit (a set of electronic circuits on one small plate) was the hallmark of the third generation
of computers.
Select one:
True 
False
Question 17
Correct
Mark 1 out of 1
Computer organization refers to those operational units and their interconnections that
realize instruction set, the number of bits used to represent various data type, I/O
mechanisms, and techniques for addressing memory.
Select one:
True 
False
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Quiz on Chapter 1: Attempt review
Question 18
Correct
Mark 1 out of 1
Computer architecture refers to those attributes of a system visible to a programmer or those attributes
that have a direct impact on the logical execution of a program.
Select one:
True 
False
Question 19
Correct
Mark 1 out of 1
Program counter contains the address of the next instruction pair to be fetched from the memory.
Select one:
True 
False
Question 20
Correct
Mark 1 out of 1
System bus is used to interconnect major computer components (CPU, main memory, I/O devices).
Select one:
True 
False
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Quiz on Chapter 1: Attempt review
Question 21
Correct
Mark 1 out of 1
The goal of fifth-generation computing is to develop devices that respond to natural language input and
based on artificial intelligence.
Select one:
True 
False
Question 22
Correct
Mark 1 out of 1
A buffer is a storage used to compensate for a difference in rate of flow of data, or time of occurrence of
events, when transferring data from one device to another.
Select one:
True 
False
Question 23
Correct
Mark 1 out of 1
Second generation computers were replaced transistors with vacuum tubes.
Select one:
True
False 
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Quiz on Chapter 1: Attempt review
Question 24
Correct
Mark 1 out of 1
Number system used in the ENIAC machine was binary.
Select one:
True
False 
Question 25
Correct
Mark 1 out of 1
A data bus is a portion of the system bus used for the transfer of control signal.
Select one:
True
False 
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Quiz on Chapter 1: Attempt review
◄ Chapter 1
Jump to...
References ►
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10/10
10/11/21, 10:37 AM
Quiz on Computer Performance: Attempt review
Dashboard
Started on Friday, 24 September 2021, 11:39 AM
State Finished
Completed on Friday, 24 September 2021, 12:09 PM
Time taken 29 mins 37 secs
Marks 45.00/46.00
Grade 9.78 out of 10.00 (98%)
Question 1
Correct
Mark 1.00 out of 1.00
A desktop computer is designed for use by an individual, usually incorporating a graphics display, a keyboard, and a
mouse.
Select one:
a. True

b. False
Question 2
Correct
Mark 1.00 out of 1.00
The CPU execution timse can be expressed as
Select one:
a. CPU execution time for a program = (CPU clock cycle for a program)/(Clock rate)
b. CPU execution time for a program = (CPU clock cycle for a program)/(Clock cycle time)
c. CPU execution time for a program = (CPU clock cycle for a program)*1/(Clock cycle time)
d. CPU execution time for a program = (CPU clock cycle for a program)*(Clock cycle time)
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Quiz on Computer Performance: Attempt review
Question 3
Correct
Mark 1.00 out of 1.00
A mechanism that conveys the result of a computation to a user or another computer is known as
Select one:
a. Networking
b. Input Device
c. Output device

d. I/O Device
Question 4
Correct
Mark 1.00 out of 1.00
A binary representation of machine instructions is called
Select one:
a. High-Level Language
b. Assembly Language
c. C Language
d. Machine Language

Question 5
Correct
Mark 1.00 out of 1.00
A command that computer hardware understands and obeys is called
Select one:
a. Instruction

b. Logic
c. Translator
d. Language
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Quiz on Computer Performance: Attempt review
Question 6
Correct
Mark 1.00 out of 1.00
A nonvolatile memory (eg., magnetic disk) used to store programs and data between runs is known as
Select one:
a. Main Memory
b. slow memory
c. Secondary Memory

d. Non Volatile Memory
Question 7
Correct
Mark 1.00 out of 1.00
Embedded computers are the largest class of computers and span the widest range of applications and performance
Select one:
a. False
b. True

Question 8
Correct
Mark 1.00 out of 1.00
A program that translates symbolic version of instructions into the binary
version is called
Select one:
a. Complier
b. Translator
c. Interpreter
d. Assembler
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3/22
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Quiz on Computer Performance: Attempt review
Question 9
Correct
Mark 1.00 out of 1.00
A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
What is the CPI for code sequence 2 ?
Select one:
a. 2.0
b. 1
c. 1.5

d. 2.5
Question 10
Correct
Mark 1.00 out of 1.00
1. A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
Which code sequence executes more instructions?
Select one:
a. Both code sequences execute same number of instruction
b. Code Sequence 2

c. code Sequence 1
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Quiz on Computer Performance: Attempt review
Question 11
Correct
Mark 1.00 out of 1.00
Average number of clock cycles per instruction for a program or program fragment is knows as
Select one:
a. Instruction Count
b. Clock Cycles
c. Clock Period
d. Clock Cycles Per Instruction

Question 12
Correct
Mark 1.00 out of 1.00
The active part of the computer, which contains the datapath and control, and which adds numbers, test numbers, signals
I/O devices to activate is known as
Select one:
a. I/O devices
b. Motherboard
c. Central Processing Unit

d. Memory Hierarchy
Question 13
Correct
Mark 1.00 out of 1.00
Magnetic disk is a nonvolatile memory because it retains data even in the absence of power source and it is used to store
programs between runs
Select one:
a. True

b. False
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Quiz on Computer Performance: Attempt review
Question 14
Correct
Mark 1.00 out of 1.00
A transistor is simply an on/off switch controlled by electricity
Select one:
a. True

b. False
Question 15
Correct
Mark 1.00 out of 1.00
DRAM (dynamic random access memory) is a volatile storage that contains data only if it is receiving power
Select one:
a. False
b. True

Question 16
Correct
Mark 1.00 out of 1.00
A memory that is used to hold programs while they are running is known as
Select one:
a. Main Memory

b. Secondary Memory
c. Slow memory
d. Non Volatile Memory
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Quiz on Computer Performance: Attempt review
Question 17
Correct
Mark 1.00 out of 1.00
A mechanism through which the computer is fed information, such as the keyboard or mouse is called
Select one:
a. Memory
b. I/O device
c. Input Device

d. Output device
Question 18
Correct
Mark 1.00 out of 1.00
SRAM (static random access memory) is faster but less dense, and hence more expensive than DRAM (dynamic random
access memory).
Select one:
a. False
b. True

Question 19
Correct
Mark 1.00 out of 1.00
Flash memory is more expensive and faster than magnetic disks memory
Select one:
a. True

b. False
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Quiz on Computer Performance: Attempt review
Question 20
Correct
Mark 1.00 out of 1.00
A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
What is the CPI for code sequence 1?
Select one:
a. 2.0

b. 2.5
c. 1.5
d. 1
Question 21
Correct
Mark 1.00 out of 1.00
The storage area in which programs are kept when they are running and that contains the data needed by the running
programs is called
Select one:
a. CPU
b. Memory Hierarchy
c. I/O Devices
d. MotherBoard
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Quiz on Computer Performance: Attempt review
Question 22
Correct
Mark 1.00 out of 1.00
The number of clock cycles required for a program can be written as
Select one:
a. CPU clock cycles = (Instructions for a program) x (Total clock cycles )
b. CPU clock cycles = (Instructions for a program) x (Average clock cycles per instruction)

c. CPU clock cycles = (Instructions for a program) x (Total clock cycles per instruction
d. CPU clock cycles = (Instructions for a program) x (Number clock cycles per instruction
Question 23
Correct
Mark 1.00 out of 1.00
Gordon Moore’s law states that number of transistors (i.e., transistor capacity) in an integrated circuit doubles in every 1824 months
Select one:
a. True

b. False
Question 24
Correct
Mark 1.00 out of 1.00
Supercomputer is a class of computers with the highest performance and cost; they are configured as servers and
typically cost millions of dollars
Select one:
a. True

b. False
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Quiz on Computer Performance: Attempt review
Question 25
Correct
Mark 1.00 out of 1.00
A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
How many clock cycles are required for code sequence 2?
Select one:
a. 10
b. 6
c. 12
d. 9

Question 26
Correct
Mark 1.00 out of 1.00
Suppose a program runs in 100 seconds on a computer, with multiply operations responsible for 80 seconds of this time.
How much do I have to improve the speed of multiplication if I want my program to run five times faster? (Use Amdahl’s
law)
Select one:
a. 5%
b. Impossible

c. 50%
d. 10%
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Quiz on Computer Performance: Attempt review
Question 27
Correct
Mark 1.00 out of 1.00
An integrated circuit (IC) combined dozens to hundreds of transistors into a single chip
Select one:
a. False
b. True

Question 28
Correct
Mark 1.00 out of 1.00
Data center is a room or building designed to handle the power, cooling, and networking needs of large number of
servers
Select one:
a. True

b. False
Question 29
Correct
Mark 1.00 out of 1.00
Flash memory is a nonvolatile semiconductor memory, which is cheaper and slower than DRAM
Select one:
a. False
b. True
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Quiz on Computer Performance: Attempt review
Question 30
Correct
Mark 1.00 out of 1.00
1. A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
How many clock cycles are required for code sequence 1?
Select one:
a. 6
b. 10

c. 9
d. 12
Question 31
Correct
Mark 1.00 out of 1.00
1. A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
Which code sequence needs more clock cycles?
Select one:
a. code sequence 1

b. Both code sequences need same amount of clock cycles
c. code sequence 2
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Quiz on Computer Performance: Attempt review
Question 32
Correct
Mark 1.00 out of 1.00
The relationship between performance and execution time can be defined as
Select one:
a. Performance=2/(Execution time)
b. Performance=1/(Execution time)

c. Performance=Execution time
d. Performance=2*(Execution time)
Question 33
Correct
Mark 1.00 out of 1.00
In DRAM (dynamic random access memory), memory access takes basically the same amount of time no matter what
portion of the memory is read.
Select one:
a. False
b. True
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Quiz on Computer Performance: Attempt review
Question 34
Correct
Mark 1.00 out of 1.00
A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1 )
How many instructions code sequence 1 executes ?
Select one:
a. 4
b. 5

c. 2
d. 3
Question 35
Correct
Mark 1.00 out of 1.00
A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
Which code sequence is faster?
Select one:
a. code sequence 1
b. code sequence 2
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Quiz on Computer Performance: Attempt review
Question 36
Correct
Mark 1.00 out of 1.00
A symbolic representation of machine language is called
Select one:
a. High-Level Language
b. Machine Language
c. Assembly language

d. C Language
Question 37
Correct
Mark 1.00 out of 1.00
The classic CPU performance equation is written as
Select one:
a. CPU time = (CPI) x (Clock rate) *(Instruction count)
b. CPU time = (Instruction count) x (CPI) *(Clock rate
c. CPU time = (CPI) x (Clock rate) /(Instruction count)
d. CPU time = (Instruction count) x (CPI) /(Clock rate)

Question 38
Correct
Mark 1.00 out of 1.00
If the performance of computer X is greater than the performance of computer Y, we can write:
Select one:
a. Execution time of computer Y > Execution time of X

b. Execution time of computer X=3*(Execution time of Y)
c. Execution time of computer X=1/(Execution time of Y)
d. Execution time of computer X > Execution time of Y
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Quiz on Computer Performance: Attempt review
Question 39
Correct
Mark 1.00 out of 1.00
A server computer is used for running larger programs for multiple users, often simultaneously and typically accessed only
via a network
Select one:
a. False
b. True

Question 40
Correct
Mark 1.00 out of 1.00
Magnetic tape is a sequential access memory.
Select one:
a. False
b. True

Question 41
Correct
Mark 1.00 out of 1.00
If computer A runs a program in 10 seconds and computer B runs the same program in 15 seconds, how much faster is A
than B ?
Select one:
a. 2
b. 1.5

c. 3.5
d. 3
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Question 42
Correct
Mark 1.00 out of 1.00
1. A compiler designer is trying to decide between two code sequences for a particular computer. The hardware
designers have supplied the following facts: CPI for R-type instruction is 1, CPI for I-type instruction is 2, and CPI
for J-type instruction is 3. The two sequences have the following instruction counts:
Code sequence 1: R-type (2), I-type (1), J-type (2)
Code sequence 2: R-type (4), I-type (1), J-type (1)
How many instructions code sequence 2 executes ?
Select one:
a. 6

b. 5
c. 3
d. 4
Question 43
Incorrect
Mark 0.00 out of 1.00
The execution time of the program after making the improvement is given by the following simple equation known as
Amdahl’s law:
Select one:
a. Execution time after improvement = (Execution time unaffected by improvement)/(Amount of improvement) + 
Execution time unaffected
b. Execution time after improvement = (Amount of improvement)/(Execution time unaffected) + Execution time
affected by improvement
c. Execution time after improvement = (Execution time unaffected)/(Execution time affected by improvement) +
Amount of improvement
d. Execution time after improvement = (Execution time affected by improvement)/(Amount of improvement) +
Execution time unaffected
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Quiz on Computer Performance: Attempt review
Question 44
Correct
Mark 1.00 out of 1.00
The classic CPU performance equation is written as
Select one:
a. CPU time = (Instruction count) x (CPI) x (Clock cycle time)

b. Instruction count = (CPU time) x (CPI) x (Clock cycle time)
c. Clock cycle time = (Instruction count) x (CPI) x ( CPU time)
d. CPI = (Instruction count) x (CPU time) x (Clock cycle time)
Question 45
Correct
Mark 1.00 out of 1.00
A program that translates high-level language statements into assembly language statements is called
Select one:
a. Translator
b. Interpreter
c. Complier

d. Assembler
Question 46
Correct
Mark 1.00 out of 1.00
A plastic board containing packages of integrated circuits or chips, including processor, cache, memory, and connections
for I/O devices such as networks and disks is known as
Select one:
a. Motherboard

b. CPU
c. Memory Hierarchy
d. I/O Devices
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◄ Computer Performance
Jump to...
Quiz on Complements of Numbers (Friday, Oct. 2, 2020) ►
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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Dashboard
Started on Friday, 8 October 2021, 11:08 AM
State Finished
Completed on Friday, 8 October 2021, 12:00 PM
Time taken 51 mins 23 secs
Marks 20.00/29.00
Grade 6.90 out of 10.00 (69%)
Question 1
Complete
Mark 0.00 out of 1.00
What will be the two's complement 8-bit binary value of 10000000?
Select one:
a. 00000000
b. 10000000
c. 01010101
d. 01111111
Question 2
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 01100011
?
Select one:
a. -52
b. 89
c. 99
d. -85

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 3
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value 8 ?
Select one:
a. 10110001
b. 00110100
c. 00001000
d. 01111001
Question 4
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value 115 ?
Select one:
a. 01110011
b. 00110101
c. 10110001
d. 11001010
Question 5
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the
11001100 ?
Select one:
a. 85
b. -52
c. -16
d. -1

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 6
Complete
Mark 0.00 out of 1.00
What is the 2's complement representation of the decimal value -32 ?
Select one:
a. 11100000
b. 00001000
c. 00110100
d. 01111001
Question 7
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the
11110000 ?
Select one:
a. -100
b. -125
c. -128
d. -16
Question 8
Complete
Mark 0.00 out of 1.00
What is the r's complement of the binary 11001100?
Select one:
a. 1010 1010
b. 1000 1010
c. 00010001
d. 0011 0100

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 9
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value -70 ?
Select one:
a. 11111001
b. 11001010
c. 00110101
d. 10111010
Question 10
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value 127 ?
Select one:
a. 01111001
b. 01111111
c. 11100000
d. 00110100
Question 11
Complete
Mark 0.00 out of 1.00
What is the r's complement of the decimal number 1234 5678?
Select one:
a. 0987 6544
b. 87654322
c. 9876 5433
d. 1234 5671

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 12
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value -110 ?
Select one:
a. 11001010
b. 10010010
c. 11111001
d. 00110101
Question 13
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 10000000
?
Select one:
a. -128
b. 128
c. -52
d. -16
Question 14
Complete
Mark 1.00 out of 1.00
What would be the two's complement 4-bit binary value if you subtract
710 from 210
Select one:
a. 1001
b. 1011
c. 1010
d. 1100

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 15
Complete
Mark 1.00 out of 1.00
What is the (r-1)'s complement of the decimal number 1234 5678?
Select one:
a. 87654321
b. 1234 5670
c. 9876 5432
d. 0987 6543
Question 16
Complete
Mark 0.00 out of 1.00
What is the decimal value of 2's complement representation of the
10011100 ?
Select one:
a. -100
b. -128
c. 52
d. 100
Question 17
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value -45 ?
Select one:
a. 11010011
b. 11111001
c. 11001010
d. 10110001

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 18
Complete
Mark 0.00 out of 1.00
What would be the two's complement 4-bit binary value if you subtract
210 from -510
Select one:
a. 1011
b. 1001
c. 1010
d. 1100
Question 19
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 01010101
?
Select one:
a. -100
b. -85
c. 85
d. -52
Question 20
Complete
Mark 0.00 out of 1.00
What is the (r-1)'s complement of the decimal number 90909090?
Select one:
a. 0909 0909
b. 1000 1909
c. 99990000
d. 00010001
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
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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 21
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value -127 ?
Select one:
a. 11111001
b. 10000001
c. 10110001
d. 11001010
Question 22
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 10000011
?
Select one:
a. 85
b. -16
c. 125
d. -125
Question 23
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the
11111111 ?
Select one:
a. 85
b. -16
c. -52
d. -1
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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 24
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 00000001
?
Select one:
a. -128
b. -52
c. 1
d. -16
Question 25
Complete
Mark 1.00 out of 1.00
What is the decimal value of 2's complement representation of the 01001000
?
Select one:
a. 72
b. -52
c. -85
d. 85
Question 26
Complete
Mark 1.00 out of 1.00
What would be the two's complement 4-bit binary value if you subtract
210 from 510
Select one:
a. 0011
b. 1010
c. 1011

d. 1100
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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
Question 27
Complete
Mark 1.00 out of 1.00
What is the 2's complement representation of the decimal value -7 ?
Select one:
a. 10110001
b. 11001010
c. 00110101
d. 11111001
Question 28
Complete
Mark 0.00 out of 1.00
What is the 2's complement representation of the decimal value 22 ?
Select one:
a. 11001010
b. 10110001
c. 00010110
d. 11111001
Question 29
Complete
Mark 0.00 out of 1.00
What is the (r-1)'s complement of the binary 11001100?
Select one:
a. -1000 1010
b. 1010 1010
c. 00010001
d. 0011 0011

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Quiz on Complements of Numbers (Friday, Oct. 2, 2020): Attempt review
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
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