Question 1

If two parts of the same process can be executed simultaneously by the CPU, what feature is being used?

Accepted Answer

A)  multithreading 
B)  multiprocessing 
C)  multitasking 
D)  multischeduling 
A)  multithreading 
B)  multiprocessing 
C)  multitasking 
D)  multischeduling A

Question 2

On most computers, what type of code is usually found where the reset vector points to?

Accepted Answer

A)  operating system boot code 
B)  operating system kernel code 
C)  interrupt service routine code 
D)  network processing code 
A)  operating system boot code 
B)  operating system kernel code 
C)  interrupt service routine code 
D)  network processing code A

Question 3

Which of the following is NOT considered part of a computer's system architecture?

Accepted Answer

A)  the kernel 
B)  CPU type 
C)  address bus 
D)  data bus 
A)  the kernel 
B)  CPU type 
C)  address bus 
D)  data bus A

Question 4

A CPU that has two or more components that read and execute instructions is referred to as which of the following?

Accepted Answer

A)  multiprocessor CPU 
B)  single-CPU system 
C)  multicore processor 
D)  multibus processor 
A)  multiprocessor CPU 
B)  single-CPU system 
C)  multicore processor 
D)  multibus processor

Question 5

Which part of the CPU is responsible for receiving and decoding an instruction and giving it to another CPU component for execution?

Accepted Answer

A)  CU 
B)  ALU 
C)  register 
D)  system bus 
A)  CU 
B)  ALU 
C)  register 
D)  system bus

Question 6

If your address bus is 16-bits wide, approximately how much memory can your computer address?

Accepted Answer

A)  64K bytes 
B)  1024K bytes 
C)  4G bits 
D)  64K bits 
A)  64K bytes 
B)  1024K bytes 
C)  4G bits 
D)  64K bits

Question 7

A CPU has just been powered on and it immediately executes a machine code instruction. What is the most likely type of instruction that it executed?

Accepted Answer

A)  a halt instruction 
B)  a store instruction 
C)  a load instruction 
D)  a jump instruction 
A)  a halt instruction 
B)  a store instruction 
C)  a load instruction 
D)  a jump instruction

Question 8

When a CPU is executing a program and the current instruction needs four bytes of data, where does the CPU first look for the needed data?

Accepted Answer

A)  cache 
B)  microcode 
C)  RAM 
D)  pipeline 
A)  cache 
B)  microcode 
C)  RAM 
D)  pipeline

Question 9

You want your server to be able to access at least 128 GB of RAM. What specification must the system have for this requirement to be met?

Accepted Answer

A)  32-bit data bus 
B)  64-bit data bus 
C)  64-bit address bus 
D)  32-bit address bus 
A)  32-bit data bus 
B)  64-bit data bus 
C)  64-bit address bus 
D)  32-bit address bus

Question 10

CPUs that run faster generally require more energy and generate more heat.

Accepted Answer

A) True 
 B)False

Question 11

Approximately how much data could a CPU with an external clock speed of 2 GHz and a 32-bit data bus transfer per second?

Accepted Answer

A)  4 Gigabits 
B)  8 Gigabits 
C)  4 Gigabytes 
D)  8 Gigabytes 
A)  4 Gigabits 
B)  8 Gigabits 
C)  4 Gigabytes 
D)  8 Gigabytes

Question 12

You have just installed a single quad-core processor onto a new computer motherboard and installed Windows 10. When Windows 10 boots, you run Task Manager and it reports 8 logical processors. If the CPU is a quad-core processor, why is Task Manager reporting 8 logical processors?

Accepted Answer

A)  Each processor core always contains two logical processors. 
B)  Windows has a bug in it that incorrectly reports the number of processors. 
C)  The CPU is a hyper-threading processor. 
D)  Quad-core means that the CPU has 8 processor cores. 
A)  Each processor core always contains two logical processors. 
B)  Windows has a bug in it that incorrectly reports the number of processors. 
C)  The CPU is a hyper-threading processor. 
D)  Quad-core means that the CPU has 8 processor cores.

Question 13

If you are designing a CPU on which you want memory that can be accessed at the internal clock speed of the CPU, which type of memory are you concerned with?

Accepted Answer

A)  L4 RAM 
B)  L4 cache 
C)  L1 cache 
D)  L1 RAM 
A)  L4 RAM 
B)  L4 cache 
C)  L1 cache 
D)  L1 RAM

Question 14

You are troubleshooting a computer that is in the design phase. The problem you see is that the CPU is not receiving information about the status of resources and devices connected to the computer. The CPU is also not receiving IRQs. What component of the computer do you suspect could be the problem?

Accepted Answer

A)  CPU cache 
B)  data bus 
C)  control bus 
D)  address bus 
A)  CPU cache 
B)  data bus 
C)  control bus 
D)  address bus

Question 15

Which of the following is best described as a technology that enables a single processor core to appear as two logical processors to the OS and allows multiple parts of a single process to run simultaneously?

Accepted Answer

A)  multitasking 
B)  hyper-threading 
C)  RISC 
D)  virtualization 
A)  multitasking 
B)  hyper-threading 
C)  RISC 
D)  virtualization

Question 16

In which part of a computer does CPU scheduling occur?

Accepted Answer

A)  control bus 
B)  operating system 
C)  microcode 
D)  interrupts 
A)  control bus 
B)  operating system 
C)  microcode 
D)  interrupts

Question 17

Which of the following is true about single-processor computers?

Accepted Answer

A)  They only have one processor core. 
B)  They can only run one process at a time. 
C)  They cannot run Windows 10. 
D)  They have one physical CPU chip. 
A)  They only have one processor core. 
B)  They can only run one process at a time. 
C)  They cannot run Windows 10. 
D)  They have one physical CPU chip.

Question 18

While troubleshooting a computer hardware problem, you find that the processor is not being informed when a device has data ready to be read or written. What is the likely problem?

Accepted Answer

A)  ALU 
B)  hyper-threading 
C)  IRQs 
D)  CPU core 
A)  ALU 
B)  hyper-threading 
C)  IRQs 
D)  CPU core

Question 19

Which feature of RISC CPUs allows the processor to operate on one instruction at the same time it is fetching one or more subsequent instructions?

Accepted Answer

A)  caching 
B)  CPU scheduling 
C)  coprocessing 
D)  pipelining 
A)  caching 
B)  CPU scheduling 
C)  coprocessing 
D)  pipelining

Question 20

If you are concerned about how many bytes per second your computer can transfer from main memory to the CPU, what part of the computer should you investigate to determine this figure?

Accepted Answer

A)  the data bus and external clock speed 
B)  the Level I cache and internal clock speed 
C)  the size of the CPU registers 
D)  the address bus and the external clock speed 
A)  the data bus and external clock speed 
B)  the Level I cache and internal clock speed 
C)  the size of the CPU registers 
D)  the address bus and the external clock speed

If two parts of the same process can be executed simultaneously by the CPU, what feature is being used?

On most computers, what type of code is usually found where the reset vector points to?

Which of the following is NOT considered part of a computer's system architecture?

A CPU that has two or more components that read and execute instructions is referred to as which of the following?

Which part of the CPU is responsible for receiving and decoding an instruction and giving it to another CPU component for execution?

If your address bus is 16-bits wide, approximately how much memory can your computer address?

A CPU has just been powered on and it immediately executes a machine code instruction. What is the most likely type of instruction that it executed?

When a CPU is executing a program and the current instruction needs four bytes of data, where does the CPU first look for the needed data?

You want your server to be able to access at least 128 GB of RAM. What specification must the system have for this requirement to be met?

CPUs that run faster generally require more energy and generate more heat.

Approximately how much data could a CPU with an external clock speed of 2 GHz and a 32-bit data bus transfer per second?

You have just installed a single quad-core processor onto a new computer motherboard and installed Windows 10. When Windows 10 boots, you run Task Manager and it reports 8 logical processors. If the CPU is a quad-core processor, why is Task Manager reporting 8 logical processors?

If you are designing a CPU on which you want memory that can be accessed at the internal clock speed of the CPU, which type of memory are you concerned with?

Which of the following is best described as a technology that enables a single processor core to appear as two logical processors to the OS and allows multiple parts of a single process to run simultaneously?

In which part of a computer does CPU scheduling occur?

Which of the following is true about single-processor computers?

While troubleshooting a computer hardware problem, you find that the processor is not being informed when a device has data ready to be read or written. What is the likely problem?

Which feature of RISC CPUs allows the processor to operate on one instruction at the same time it is fetching one or more subsequent instructions?

If you are concerned about how many bytes per second your computer can transfer from main memory to the CPU, what part of the computer should you investigate to determine this figure?

Operating Systems Fundamentals

Modern Client and Server Operating Systems

File Systems

Installing Operating Systems

Devices and Device Drivers

Using and Configuring Storage Devices

Virtualization and Cloud Computing Fundamentals

Network Fundamentals and Configuration

Account and Resource Management

Securing and Maintaining an Operating System

Filters

Exam 3: The Central Processing Unit CPU

If two parts of the same process can be executed simultaneously by the CPU, what feature is being used?

On most computers, what type of code is usually found where the reset vector points to?

Which of the following is NOT considered part of a computer's system architecture?

A CPU that has two or more components that read and execute instructions is referred to as which of the following?

Which part of the CPU is responsible for receiving and decoding an instruction and giving it to another CPU component for execution?

If your address bus is 16-bits wide, approximately how much memory can your computer address?

A CPU has just been powered on and it immediately executes a machine code instruction. What is the most likely type of instruction that it executed?

When a CPU is executing a program and the current instruction needs four bytes of data, where does the CPU first look for the needed data?

You want your server to be able to access at least 128 GB of RAM. What specification must the system have for this requirement to be met?

CPUs that run faster generally require more energy and generate more heat.

Approximately how much data could a CPU with an external clock speed of 2 GHz and a 32-bit data bus transfer per second?

You have just installed a single quad-core processor onto a new computer motherboard and installed Windows 10. When Windows 10 boots, you run Task Manager and it reports 8 logical processors. If the CPU is a quad-core processor, why is Task Manager reporting 8 logical processors?

If you are designing a CPU on which you want memory that can be accessed at the internal clock speed of the CPU, which type of memory are you concerned with?

Which of the following is best described as a technology that enables a single processor core to appear as two logical processors to the OS and allows multiple parts of a single process to run simultaneously?

In which part of a computer does CPU scheduling occur?

Which of the following is true about single-processor computers?

While troubleshooting a computer hardware problem, you find that the processor is not being informed when a device has data ready to be read or written. What is the likely problem?

Which feature of RISC CPUs allows the processor to operate on one instruction at the same time it is fetching one or more subsequent instructions?

If you are concerned about how many bytes per second your computer can transfer from main memory to the CPU, what part of the computer should you investigate to determine this figure?

Operating Systems Fundamentals

Modern Client and Server Operating Systems

File Systems

Installing Operating Systems

Devices and Device Drivers

Using and Configuring Storage Devices

Virtualization and Cloud Computing Fundamentals

Network Fundamentals and Configuration

Account and Resource Management

Securing and Maintaining an Operating System

Filters