WGU C952 Final Exam Review (Latest 2024/ 2025
Update) Computer Architecture | Questions and
Verified Answers| 100% Correct| Grade A
Principles of Equivalence of Hardware and Software - ANSWERAny task done by
software can also be done using hardware, and any operation preformed directly by
hardware can be done using software
At the most basic level a computer consists of what three pieces - ANSWERA
processor, a memory, and a mechanism for transferring data to and from the outside
world
What is a Processor? - ANSWERa piece of hardware to interpret and execute
programs
What is Memory - ANSWERA piece of hardware to store both data and programs
Moore's Law - ANSWERThe density of transistors in an integrated circuit will double
every year
Rock's Law - ANSWERThe cost of capital equipment to build semiconductors will
double every four year
Semantic gap - ANSWERGap between High level languages and physical components
Control Unit - ANSWERfound in the 1st layer, control unit makes sure that all
instructions are decoded and executed properly, then data moved where it belongs
Software as a Service (SaaS) - ANSWERA cloud computing service. A service that can
be delivered over the internet and requires no locally installed components.
Platform as a Services (PaaS) - ANSWERsever hardware, operating systems, database
services, security components, and backup and recovery services.
Infrastructure as a Services (IaaS) - ANSWERInfrastructure as a Service (IaaS) is a
form of cloud computing that provides virtualized computing resources over the
Internet
Elasticity - ANSWERThe ability to add and remove resources based on demand
Is Peripheral Component Interconnect (PCI) is the recommended replacement for
SATA (serial ATA)? - ANSWERFalse
Software as a Service (SaaS) replaces the _________ of the computer hierarchy with
an Internet-based application - ANSWERdigital logic level through user levels
,The ENIAC was originally built in order to speed up calculations for ___________ -
ANSWERballistics tables
There are ____________ kilobytes in an exabyte - ANSWER2^50
Which of the following is a computer that used third-generation (integrated circuit)
technology - ANSWERIBM 360
There are one billion microseconds in a second. - ANSWERFalse
Which of the following is a computer that used second-generation (transistor)
technology? - ANSWERPDP-1
Herman Hollerith invented punched card tabulating machines - ANSWERTrue
The continuation of Moore's Law is helped by Rock's Law - ANSWERFalse
Color depth reflects the number of colors that can be displayed on an LCD screen at
one time - ANSWERTrue
Platform as a Service (PaaS) replaces the _________ of the computer hierarchy with
an Internet-based platform - ANSWERdigital logic level through high-level language
levels
Cloud storage is a limited form of ____________. - ANSWERInfrastructure as a
Service (IaaS)
A control unit consists of a central processing unit (CPU) with an arithmetic logic unit
(ALU) and registers. - ANSWERTrue
Ballistic tables were produced by the ENIAC during World War II. - ANSWERFalse
The ________ is the agreed-upon interface between all the software that runs on
the machine and the hardware that executes it. It allows you to talk to the machine.
- ANSWERinstruction set architecture
Which of the following is a computer that used fourth-generation (VLSI) technology?
- ANSWERIBM PC
The first supercomputer, the CDC 6600, had a memory size of _____________. -
ANSWER128 kilowords
In 1965, one of the founders of Intel predicted "The density of transistors in an
integrated circuit will double every year." This is now known as: - ANSWERMoore's
Law
A single transistor can replace several vacuum tubes. - ANSWERFalse
, At its most basic level, a computer consists of only two parts: A processor and an I/O
device. - ANSWERFalse
Computer architecture encompasses all physical aspects of computer systems. -
ANSWERFalse
The mechanical computer that included mechanisms that provided memory and an
arithmetic processing unit was the: - ANSWERDifference Engine
The first completely electronic computer was the ______________ . -
ANSWERAtanasoff-Berry Computer
The level of the computer hierarchy where an operating system functions is the
______. - ANSWERsystem software level
The CDC 6600 supercomputer was among the first computers to employ transistors.
- ANSWERTrue
Represents the data size that is handled most efficiently by a particular architecture
(16 bits, 32 bits, 64 bits) - ANSWERWord Size
The type of code used in situations where random errors are likely to occur -
ANSWERHamming Code
The type of checksum used in data communications when transmitting large blocks
or streams - ANSWERCyclic Redundancy Check
The register that holds the actual data to be read from or written to a given memory
address is called - ANSWERmemory buffer register
Suppose that a system uses 16-bit memory words and its memory is built from 32
1M × 8 RAM chips. How many address bits are required to uniquely identify each
memory word? - ANSWER24
Suppose we have a 1024-word memory that is 16-way low-order interleaved. What
is the size of the memory address offset field? - ANSWER6 bits
One good reason to use assembly language is to compensate for shortcomings in
optimizing compilers for higher-level languages.
Interrupt checking is typically carried out at various times during the execution of a
machine instruction. - ANSWERTrue
If, after fetching a value from memory, we discover that the system has returned
only half of the bits that we expected; it is likely that we have a problem with: -
ANSWERbyte alignment
Update) Computer Architecture | Questions and
Verified Answers| 100% Correct| Grade A
Principles of Equivalence of Hardware and Software - ANSWERAny task done by
software can also be done using hardware, and any operation preformed directly by
hardware can be done using software
At the most basic level a computer consists of what three pieces - ANSWERA
processor, a memory, and a mechanism for transferring data to and from the outside
world
What is a Processor? - ANSWERa piece of hardware to interpret and execute
programs
What is Memory - ANSWERA piece of hardware to store both data and programs
Moore's Law - ANSWERThe density of transistors in an integrated circuit will double
every year
Rock's Law - ANSWERThe cost of capital equipment to build semiconductors will
double every four year
Semantic gap - ANSWERGap between High level languages and physical components
Control Unit - ANSWERfound in the 1st layer, control unit makes sure that all
instructions are decoded and executed properly, then data moved where it belongs
Software as a Service (SaaS) - ANSWERA cloud computing service. A service that can
be delivered over the internet and requires no locally installed components.
Platform as a Services (PaaS) - ANSWERsever hardware, operating systems, database
services, security components, and backup and recovery services.
Infrastructure as a Services (IaaS) - ANSWERInfrastructure as a Service (IaaS) is a
form of cloud computing that provides virtualized computing resources over the
Internet
Elasticity - ANSWERThe ability to add and remove resources based on demand
Is Peripheral Component Interconnect (PCI) is the recommended replacement for
SATA (serial ATA)? - ANSWERFalse
Software as a Service (SaaS) replaces the _________ of the computer hierarchy with
an Internet-based application - ANSWERdigital logic level through user levels
,The ENIAC was originally built in order to speed up calculations for ___________ -
ANSWERballistics tables
There are ____________ kilobytes in an exabyte - ANSWER2^50
Which of the following is a computer that used third-generation (integrated circuit)
technology - ANSWERIBM 360
There are one billion microseconds in a second. - ANSWERFalse
Which of the following is a computer that used second-generation (transistor)
technology? - ANSWERPDP-1
Herman Hollerith invented punched card tabulating machines - ANSWERTrue
The continuation of Moore's Law is helped by Rock's Law - ANSWERFalse
Color depth reflects the number of colors that can be displayed on an LCD screen at
one time - ANSWERTrue
Platform as a Service (PaaS) replaces the _________ of the computer hierarchy with
an Internet-based platform - ANSWERdigital logic level through high-level language
levels
Cloud storage is a limited form of ____________. - ANSWERInfrastructure as a
Service (IaaS)
A control unit consists of a central processing unit (CPU) with an arithmetic logic unit
(ALU) and registers. - ANSWERTrue
Ballistic tables were produced by the ENIAC during World War II. - ANSWERFalse
The ________ is the agreed-upon interface between all the software that runs on
the machine and the hardware that executes it. It allows you to talk to the machine.
- ANSWERinstruction set architecture
Which of the following is a computer that used fourth-generation (VLSI) technology?
- ANSWERIBM PC
The first supercomputer, the CDC 6600, had a memory size of _____________. -
ANSWER128 kilowords
In 1965, one of the founders of Intel predicted "The density of transistors in an
integrated circuit will double every year." This is now known as: - ANSWERMoore's
Law
A single transistor can replace several vacuum tubes. - ANSWERFalse
, At its most basic level, a computer consists of only two parts: A processor and an I/O
device. - ANSWERFalse
Computer architecture encompasses all physical aspects of computer systems. -
ANSWERFalse
The mechanical computer that included mechanisms that provided memory and an
arithmetic processing unit was the: - ANSWERDifference Engine
The first completely electronic computer was the ______________ . -
ANSWERAtanasoff-Berry Computer
The level of the computer hierarchy where an operating system functions is the
______. - ANSWERsystem software level
The CDC 6600 supercomputer was among the first computers to employ transistors.
- ANSWERTrue
Represents the data size that is handled most efficiently by a particular architecture
(16 bits, 32 bits, 64 bits) - ANSWERWord Size
The type of code used in situations where random errors are likely to occur -
ANSWERHamming Code
The type of checksum used in data communications when transmitting large blocks
or streams - ANSWERCyclic Redundancy Check
The register that holds the actual data to be read from or written to a given memory
address is called - ANSWERmemory buffer register
Suppose that a system uses 16-bit memory words and its memory is built from 32
1M × 8 RAM chips. How many address bits are required to uniquely identify each
memory word? - ANSWER24
Suppose we have a 1024-word memory that is 16-way low-order interleaved. What
is the size of the memory address offset field? - ANSWER6 bits
One good reason to use assembly language is to compensate for shortcomings in
optimizing compilers for higher-level languages.
Interrupt checking is typically carried out at various times during the execution of a
machine instruction. - ANSWERTrue
If, after fetching a value from memory, we discover that the system has returned
only half of the bits that we expected; it is likely that we have a problem with: -
ANSWERbyte alignment
