Question 1

One role of the CPU is to coordinate the operation of devices in the computer system.

Accepted Answer

A) True 
 B)False  True

Question 2

Devices typically used to solve loading problems are _________.

Accepted Answer

A)  buffers 
B)  encoders 
C)  shift registers 
D)  multiplexers 
A)  buffers 
B)  encoders 
C)  shift registers 
D)  multiplexers A

Question 3

Processor elements consists of all of the following except __________.

Accepted Answer

A)  the memory management unit 
B)  the instruction decode register 
C)  the condition code register 
D)  the program counter 
A)  the memory management unit 
B)  the instruction decode register 
C)  the condition code register 
D)  the program counter A

Question 4

BIOS memory contains code that _________.

Accepted Answer

A)  loads the operating system 
B)  installs drivers to configure and provide access to system hardware 
C)  runs the power on self- test (POST) 
D)  all of the above 
A)  loads the operating system 
B)  installs drivers to configure and provide access to system hardware 
C)  runs the power on self- test (POST) 
D)  all of the above

Question 5

Pipelining is a means of increasing the bus speed of a processor.

Accepted Answer

A) True 
 B)False

Question 6

Pulse width modulation can be used to control a motor by using the duty cycle to_________.

Accepted Answer

A)  change the amplitude of the winding current 
B)  change the amplitude of the winding voltage 
C)  change the effective voltage applied to the motor winding 
D)  change effective current delivered to the motor winding 
A)  change the amplitude of the winding current 
B)  change the amplitude of the winding voltage 
C)  change the effective voltage applied to the motor winding 
D)  change effective current delivered to the motor winding

Question 7

Pulse width modulators are often used for motor control in microcontroller systems.

Accepted Answer

A) True 
 B)False

Question 8

Direct memory access is_________.

Accepted Answer

A)  faster than ordinary memory access techniques because it allows each I/O device direct access to the CPU memory 
B)  handled by a special DMA controller and is usually several times faster than data transfers handled by the CPU 
C)  faster because it substitutes higher speed static RAM for slower dynamic RAM (DRAM), which has to be refreshed on a regular basis and thus slows down the entire computer system 
D)  any one of the above, depending on the particular computer system 
A)  faster than ordinary memory access techniques because it allows each I/O device direct access to the CPU memory 
B)  handled by a special DMA controller and is usually several times faster than data transfers handled by the CPU 
C)  faster because it substitutes higher speed static RAM for slower dynamic RAM (DRAM), which has to be refreshed on a regular basis and thus slows down the entire computer system 
D)  any one of the above, depending on the particular computer system

Question 9

Memory and other peripheral devices typically have a signal that lets the processor know when data is ready.

Accepted Answer

A) True 
 B)False

Question 10

Content addressable memory is also called associative memory.

Accepted Answer

A) True 
 B)False

Question 11

All of the following are roles of the CPU except ___________.

Accepted Answer

A)  execute application programs 
B)  provide hardware support for the operating system 
C)  control the system hardware 
D)  check for system hardware errors 
A)  execute application programs 
B)  provide hardware support for the operating system 
C)  control the system hardware 
D)  check for system hardware errors

Question 12

The processor unit responsible for performing operations such as multiplication and complementing binary data values is the _________.

Accepted Answer

A)  instruction decode register 
B)  register array 
C)  arithmetic logic unit 
D)  timing and control unit 
A)  instruction decode register 
B)  register array 
C)  arithmetic logic unit 
D)  timing and control unit

Question 13

Processor registers consist of general purpose registers to store data the processor may require and special registers that perform special functions within the processor.

Accepted Answer

A) True 
 B)False

Question 14

A bus that will terminate the bus cycle unless a signal indicates that it should insert wait states is_________

Accepted Answer

A)  asynchronous 
B)  quasi- synchronous 
C)  semi- synchronous 
D)  synchronous 
A)  asynchronous 
B)  quasi- synchronous 
C)  semi- synchronous 
D)  synchronous

Question 15

Microcontroller designs must typically include additional system devices like external memory, memory controllers, and communication controllers.

Accepted Answer

A) True 
 B)False

Question 16

One function of the control bus is to control the speed at which the processor operates.

Accepted Answer

A) True 
 B)False

Question 17

Instructions are decoded during the fetch phase of an processor cycle.

Accepted Answer

A) True 
 B)False

Question 18

Synchronous buses uses a clocking signal to ensure that signal meet setup and hold times but are slower than asynchronous buses.

Accepted Answer

A) True 
 B)False

Question 19

To ensure that processors can specify which device in the system they wish to access, digital devices like memory have a chip select or chip enable input.

Accepted Answer

A) True 
 B)False

Question 20

During a read operation the processor places an address on the address bus, generates a read signal, and waits for the selected device to place data on the data bus.

Accepted Answer

A) True 
 B)False

One role of the CPU is to coordinate the operation of devices in the computer system.

Devices typically used to solve loading problems are _________.

Processor elements consists of all of the following except __________.

BIOS memory contains code that _________.

Pipelining is a means of increasing the bus speed of a processor.

Pulse width modulation can be used to control a motor by using the duty cycle to_________.

Pulse width modulators are often used for motor control in microcontroller systems.

Direct memory access is_________.

Memory and other peripheral devices typically have a signal that lets the processor know when data is ready.

Content addressable memory is also called associative memory.

All of the following are roles of the CPU except ___________.

The processor unit responsible for performing operations such as multiplication and complementing binary data values is the _________.

Processor registers consist of general purpose registers to store data the processor may require and special registers that perform special functions within the processor.

A bus that will terminate the bus cycle unless a signal indicates that it should insert wait states is_________

Microcontroller designs must typically include additional system devices like external memory, memory controllers, and communication controllers.

One function of the control bus is to control the speed at which the processor operates.

Instructions are decoded during the fetch phase of an processor cycle.

Synchronous buses uses a clocking signal to ensure that signal meet setup and hold times but are slower than asynchronous buses.

To ensure that processors can specify which device in the system they wish to access, digital devices like memory have a chip select or chip enable input.

During a read operation the processor places an address on the address bus, generates a read signal, and waits for the selected device to place data on the data bus.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Integrated Circuit Technologies

Filters

Exam 14: Data Processing and Control

One role of the CPU is to coordinate the operation of devices in the computer system.

Devices typically used to solve loading problems are _________.

Processor elements consists of all of the following except __________.

BIOS memory contains code that _________.

Pipelining is a means of increasing the bus speed of a processor.

Pulse width modulation can be used to control a motor by using the duty cycle to_________.

Pulse width modulators are often used for motor control in microcontroller systems.

Direct memory access is_________.

Memory and other peripheral devices typically have a signal that lets the processor know when data is ready.

Content addressable memory is also called associative memory.

All of the following are roles of the CPU except ___________.

The processor unit responsible for performing operations such as multiplication and complementing binary data values is the _________.

Processor registers consist of general purpose registers to store data the processor may require and special registers that perform special functions within the processor.

A bus that will terminate the bus cycle unless a signal indicates that it should insert wait states is_________

Microcontroller designs must typically include additional system devices like external memory, memory controllers, and communication controllers.

One function of the control bus is to control the speed at which the processor operates.

Instructions are decoded during the fetch phase of an processor cycle.

Synchronous buses uses a clocking signal to ensure that signal meet setup and hold times but are slower than asynchronous buses.

To ensure that processors can specify which device in the system they wish to access, digital devices like memory have a chip select or chip enable input.

During a read operation the processor places an address on the address bus, generates a read signal, and waits for the selected device to place data on the data bus.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Integrated Circuit Technologies

Filters