Chapter 7-14 Review J
If a 3-input AND gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
1
If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
1
The number of input combinations for a 4-input gate is
16
TTL operates from a
5-volt supply
If a 3-input OR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
7
The number of input combinations for a 3-input gate is
8
The output of an OR gate with three inputs, A, B, and C, is LOW when
A = 0, B = 0, C = 0
The output of an AND gate with three inputs, A, B, and C, is HIGH when
A = 1, B = 1, C = 1
If A is LOW or B is LOW or BOTH are LOW, then X is LOW. If A is HIGH and B is HIGH, then X is HIGH. These rules specify the operation of a(n)
AND Gate
The basic types of programmable arrays are made up of
AND gates and OR gates
API
Application Program Interface. a set of routines, protocols, and tools for building software applications
Identify the missing words in the following sentence. Without __________ manufacturing machine images, too _________ variations of virtual machine images will be in use. Manually, many Automated, many Manually, little Automated, little
Automated, many
Which of the following statements is correct? a. Security will be better with cloud computing b. Maintenance cost will be lower with cloud computing A. A is correct B. B is correct C. Both A and B are correct D. None of the above
B is correct
Why is the financial management likely to take more effort with cloud computing? Because cost can vary as demands change Because cloud computing is more expensive Because cloud provider pricing is visible to everyone Because cloud computing makes the application portfolio more complex
Because cost can vary as demands change
Why does hardware and Operating system maintenance take less time with SAAS? A. Because the OS vendor takes care of it B. Because the maintenance become irrelevant C. Because the hardware vendor takes care of it D. Because the cloud provider takes care of it
Because the cloud provider takes care of it
Geographic distribution of data across a cloud provider's network is a problem for many enterprises because it: Breaks compliance regulations Adds latency Raises security concerns Makes data recovery harder
Breaks compliance regulations
Geographic distribution of data across a cloud provider's network is a problem for many enterprises because it: A. Breaks compliance regulations B. Adds latency C. Raises security concerns D. Makes data recovery harder
Breaks compliance regulations
What is the name of the organization helping to foster security standards for cloud computing? Cloud Security Standards Working Group Cloud Security Alliance Cloud Security WatchDog Security in the Cloud Alliance
Cloud Security Alliance
What is the name of Rackspace's cloud service? Cloud On-Demand Cloud Servers EC2
Cloud Servers
What benefit is a characteristic of Cloud Computing? Cloud Computing delivers capabilities that scale with demand Cloud Computing is procured with the IT department Cloud computing delivers IT capacity on demand Cloud Computing delivers a wide range of services
Cloud computing delivers IT capacity on demand
What is a typical concern for business and IT leaders for adopting Cloud Computing? A. Quality of web based user faces B. Current cost structure of IT C. Security of current IT solutions D. Technical maintenance of current IT assets
Current cost structure of IT
What is a typical concern for business and IT leaders for adopting Cloud Computing? Quality of web based user faces Current cost structure of IT Security of current IT solutions Technical maintenance of current IT assets
Current cost structure of IT
CMOS IC packages are available in
DIP and SOIC configurations
Which of these is not a major type of cloud computing usage? Hardware as a Service Platform as a Service Software as a Service Infrastructure as a Service
Hardware as a Service
all four inputs
How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH?
Which vendor recently launched a cloud-based test and development service for enterprises? HP Cisco IBM Oracle
IBM
As a rule, CMOS has the lowest power consumption of all
IC families.
1
If a 3-input AND gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
1
If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
NAND
If a signal passing through a gate is inhibited by sending a LOW into one of the inputs, and the output is HIGH, the gate is a(n):
With regard to an AND gate, which statement is true?
If one input to a 2-input AND gate is HIGH, the output reflects the other input.
What is the business reason for IT outsourcing and cloud computing? A. Improve customer satisfaction B. Solving security problems C. Improve cost structure D. increasing control over IT
Improve cost structure
Virtual Machine Ware (VMware) is an example of Infrastructure Service Platform Service Software Service
Infrastructure Service
Amazon Web Services is which type of cloud computing distribution model? Software as a Service Platform as a Service Infrastructure as a Service
Infrastructure as a Service
IaaS
Infrastructure as a service. defined as computer infrastructure, such as virtualization, being delivered as a service
Which business consequence does IT outsourcing and cloud computing have in common? A. Shorter time to market B. Involvement of external staff C.Reduced experience D.Improved flexibility
Involvement of external staff
What second programming language did Google add for App Engine development? C++ Flash Java Visual Basic
Java
When the inputs to a 3-input NOR gate are 110, the output is
LOW
Cloud Services have a________ relationship with their customers. Many-to-many One-to-many One-to-one
One-to-many
Which of the following statements is correct? a. Cloud Computing and Virtualization are the responsibility of the IT department. b. Virtualization is an important enabler for Cloud Computing. Only A is correct Only B is correct Both A and B are correct None of the above
Only B is correct
When does the output of a NAND gate = 0?
Only when all inputs = 1
AND gate
Output will be a LOW for any case when one or more inputs are zero for a(n):
Which of the following is most typically accessed through Web Services? IAAS PAAS SAAS None of the above
PAAS
PaaS
Platform as a service. Facilitates deployment of applications
Cloud Service consists of Platform, Software, Infrastructure Software, Hardware, Infrastructure Platform, Hardware, Infrastructure
Platform, Software, Infrastructure
Which of these companies specializes in cloud computing management tools and services? RightScale Google Salesforce.com Savvis
RightScale
Web hosting is a service that enables customers to deploy a web site quickly. This is an example of: IAAS PAAS SAAS None of the above
SAAS
Microsoft 365 is : SaaS PaaS IaaS NA
SaaS
What are essential steps in creating a virtual machine? Select a machine image to run, select the size of the virtual machine, select security credentials Select the size of the virtual machine, select security credentials, select an application set to run Select a machine image to run, select the size of the virtual machine, select an application to run Select a machine image to run, select an application set to run, select security credentials
Select a machine image to run, select the size of the virtual machine, select security credentials
What does SLA stand for? A. Six Layer Automation B. Security Level Aim C. Service Level Agreement D. Secure Layer Authentication
Service Level Agreement
What facet of cloud computing helps to guard against downtime and determines costs? Service-level agreements Application programming interfaces Virtual private networks Bandwidth fees
Service-level agreements
Two examples of cloud computing for Rutgers
Simplified cost and consumption model and faster provisioning of systems and applications
SaaS
Software as a Service. a software delivery method that provides access to software and its functions remotely as a web based service
What's the most popular use case for public cloud computing today? Test and development Website hosting Disaster recovery Business analytics
Test and development
truth table
The format used to present the logic output for the various combinations of logic inputs to a gate is called a(n):
A = 1, B = 1, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ________.
A = 0, B = 0, C = 0
The output of an OR gate with three inputs, A, B, and C, is LOW when ________.
For which of the following workloads can cloud computing have the greatest benefit? A. Fixed and predictable workloads B. Unexpectedly varying workloads C. Steadily increasing workloads D. Steadily decreasing workloads
Unexpectedly varying workloads
The output is inverted.
What does the small bubble on the output of the NAND gate logic symbol mean?
When does the output of a NOR gate = 0?
Whenever a 1 is present at an input
OR
Which of the following logical operations is represented by the + sign in Boolean algebra?
The Boolean expression for a 3-input OR gate is
X = A + B + C
The Boolean expression for a 3-input AND gate is
X = ABC
A 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is a(n)
XOR Gate
Which of the cloud following confidentiality risks are introduced by Cloud Computing? A. Having files stored on the servers of a cloud provider B. Government regulations require data to be disclosed C. Company information can be transmitted electronically D. Digitizing information makes it easier to copy
a
public cloud
a cloud that refers to a public space on transmission lines that exists between the end points of a transmission. Data that is transmitted across WAN enters the network from one end point using a standard protocol suite such as frame relay and then enters the network cloud where it shares space with other data transmissions
hybrid cloud
a combinationof public cloud storage and private cloud storage where some critical data resides in the enterprise's private cloud while other data is stored and accessible from a public cloud storage provider
Scalability
a network system that can start with just a few nodes and easily expand to thousands
one department that has accepted cloud computing
agriculture department on reserve: defense department
The output of a NAND gate is LOW if
all inputs are HIGH
The output of a NOR gate is HIGH if
all inputs are LOW
A NAND gate output is LOW only if
all the inputs are HIGH.
Which of the following statements are correct? A. Elastic capacity can grow rapidly with the business, avoiding lost revenue. B. Elastic capacity can rapidly shrink with the business, avoiding wasted expense. A. A is correct B. B is correct C. Both A and B are correct D. None of the above
c
The switching speed of CMOS is now
competitive with TTL
private cloud
designed to offer the same features and benefits of cloud systems, but removes a number of objections to the cloud computing model including control over enterprise and customer data, worries about security, and issues connected to regulatory compliance
cloud computing advantages for everyday users
emailing like google, hotmail etc and talking to people through the computer like skype
two cloud computing devices you use
google and skype
A major advantage of ECL logic over TTL and CMOS is
high speed
An inverter input
is the complement of its input
A CMOS IC operating from a 3-volt supply will consume
less power than a TTL IC
A 2-input NOR gate is equivalent to a
negative-AND gate
One advantage TTL has over CMOS is that TTL is
not sensitive to electrostatic discharge
three reasons the government is slow to adapt to cloud computing technology
only about 1/4 of the public enterprises are on the cloud, security concerns are more prominent in the case of governements and CEO's lack trust in cloud models, the fear of losing control over the IT infrastructure
three concerns about cloud computing
privacy, security, authorization
The terms "low speed" and "high speed," applied to logic circuits, refer to the
propagation delay time
An OR array is programmed by blowing fuses to eliminate
selected variables from the output functions.
Identify the missing word in the following sentence. Private clouds are operated solely for _____________ organizations. specific Several Govermental For-profit
specific
The output of a NOT gate is HIGH when
the input is LOW
The output of an exclusive-NOR gate is HIGH if
the inputs are equal
The output of an exclusive-OR gate is HIGH if
the inputs are unequal
An exclusive-OR gate output is HIGH when
the inputs are unequal.
When does the output of a NAND gate = 1?
the two inputs are unequal
cloud computing
the word "cloud" is used as a metaphor for "the internet," so the phrase cloud computing means a type of Internet-based computing, where different services are delivered to an organizations computers and devices through the internet
Fan-out is specified in terms of
unit loads
