EXAM 1 Operating Systems

Which of the following was the first widely used multiuser, multitasking OS?

Unix

Which of the following is a job typically performed by the kernel?

Managing CPU interactions

Which of the following can be described as program code that operates like a specialized hook into the operating system?

API

You are testing out a new multitasking operating system. In your testing, you find that some applications are not getting sufficient CPU time while other applications are getting more than necessary. Which component is likely to be the cause of this problem?

Kernel

Which of the following accurately describes preemptive multitasking?

The OS allocates resources to applications but remains in full control

Which particular type of low-level code is responsible for starting an operating system on a computer?

Basic input/output system

Which of the following is NOT a task performed by the computer's BIOS?

Manages Random Access Memory

Which type of computer is most likely to be used for graphical design, film design, and animation?

High-end workstation

When a computing environment requires that some processing of applications takes place on a server and on a PC-class computer, which type of system are you using?

Client/server system

The code that exchanges information with specific hardware devices is referred to as which of the following?

Device driver

Which of the following does NOT require a device driver to be installed in the OS?

Installing additional RAM

What essential part of the operating system communicates with the BIOS, device drivers, resource managers, and APIs to coordinate operating system functions?

Kernel

Which of the following can be described as a client/server computing model that offers scalable Web-based applications and services over the Internet?

Cloud computing

You have installed a new network adapter in a computer and rebooted the operating system. You go to check the settings of the network adapter, but you cannot find the device present in Windows. What is the most likely problem?

Bad or missing device driver

A word processor is best described as which type of operating system element?

Application software

You are planning to buy a new server that will act as the server portion of a client/server application. A colleague of yours makes some suggestions for the server's OS. Which of the following suggestions are you least likely to adopt?

Windows 10

You are currently designing a cloud computing system that will host scalable Web-based applications accessible through a Web browser. This system will be available only to your company, but the resources will be made available through a third-party. What type of system should you use?

Hosted private cloud

Which of the following is NOT an I/O task performed y the operating system?

Executes program instructions

Which operating system, usually distributed for free, relies on open source software that is developed by volunteers and contains code in the public domain?

Linux

What type of programs specifically manage central processor and computer memory?

Resource managers

A large institution, such as a bank, may have thousands of transactions to process in which no user interaction is required; which type of computer system are you most likely to use?

Mainframe

Which of the following is NOT an I/O task performed by the operating system?

Executes program instructions

Which type of operating system would be best when implementing a new computing system for an industrial plant that will require an accurate system to receive and process inputs, and calculate the expected outputs in a specified period?

Real-time

Which of the following is low-level programming code capable of starting a full-fledged operating system?

BIOS

If you need to change specific parameters controlling the way your computer boots, which of the following components would you configure?

BIOS

You want to design a small portable computer system with memory that can be updated, but that does not lose its contents when the device is turned off. What chip should be used?

CMOS

You need to set up a new network with 15 workstations. You must provide access to network services for all 15 stations simultaneously and you have been told to use Active Directory in this network. Which OS should you use?

Windows 2000 Server

What feature of UNIX provides the GUI and is network-enabled?

X Window

You are the administrator for a company that has users that must access the network remotely on a regular basis. You want the remote connection to be secure using IPsec encryption and as easy as possible to set up for your users. What new feature found in Windows Server 2008 R2 along with Windows 7 can you use to accomplish this?

DirectAccess

In which Windows desktop OS was the Start button replaced by the Start screen?

Windows 8

What feature in Windows Server 2012 gives you fine-tuned control over shared resources by using data classification?

Dynamic Access Control

If you suspect that a Windows problem is related to the database that stores hardware and software configuration information, which Windows component should you investigate?

Registry

Which of the following features differentiated Windows NT from Windows 95/98?

Windows NT's kernel ran in privileged mode

Which Windows Server 2016 installation option has a small footprint and does not support a local logon?

Nano Server

What new feature in Windows 10 allows you to expand your sign-in options by using your facial features or fingerprint if your hardware supports it?

Windows Hello

Which of the following is NOT a feature first introduced in Windows 2000?

User accounts and passwords

Which new tool introduced in Windows Server 2008 provides one location to set up, deploy, and manage server and server roles?

Server Manager

Which new installation option was introduced in Windows Server 2008 that is a bare-bones installation with a limited GUI?

Server Core

Which of the following is NOT a feature of the Windows NT security model?

All network data is encrypted

Which of the following features was first available in Windows Server 2003 and Windows XP?

64-bit Itanium support

You want to be able to take advantage of the new Server Core feature. You have both 32-bit and 64-bit computers you want to install Server Core on. Which Windows OS should you purchase?

Windows Server 2008

Which new feature in Windows Server 2012 provides administrators with the ability to manage storage of different sizes and interfaces, creating virtual disks that can be anything from a simple volume to a fault-tolerant RAID 5?

Storage spaces

From which OS did Windows XP evolve?

Windows 2000

What operating system feature enables the operating system to automatically detect newly installed hardware?

Plug and play

Which of the following OSs was the first to offer true 32-bit functionality?

Windows 95

Which of the following was a major change in Mac OS X that first occurred with Snow Leopard?

Support for only Intel-based processors

Which of the following will be launched automatically if Windows 7 detects a problem while booting the system?

Startup repair tool

Which of the following is a new feature in Windows 7 that allows you to organize files from multiple locations?

Libraries

Which version of Windows Server has features for implementing a private cloud and comes with an option called Minimal Server Interface?

Windows Server 2012

You have created a number of different documents using several applications including Word, Excel, and PowerPoint. These files are located in different folders on your hard drive. You want to be able to access these folders from a single location without actually moving them from their current location. What feature of Windows 7 can you use?

Libraries

With what technique are two or more servers linked to equally share the server processor load?

Clustering

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

Hyper-threading

Which hardware component predicts what data will be needed and makes that data available to the CPU's internal memory?

Cache controller

Which of the following is true about RISC CPU hardware?

It is less complicated and can perform pipelining more effectively

If you are concerned about how many bytes per second you computer can transfer from main memory to the CPU, what part of the computer are you concerned with?

Data bus

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

64K bytes

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

Multicore processor

You are building a new PC for yourself. You want your computer to have a quad-core processor made by AMD. Which processor family should you choose?

Phenom II

You have found an old dusty computer in your basement that you can identify as an original IBM PC. You ask your friend if he knows what CPU was used in these computers. Which of the following represents a correct response to your question?

8088

Which CPU vendor developed a processor called Athlon?

AMD

Which part of the CPU is the "director of operations?"

CU

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?

Pipelining

You have heard that the Linux distribution your are going to install to run a new application runs best on a RISC architecture. Which of the following CPU families should you consider for the computer on which you will install this Linux distribution?

SPARC

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

Multithreading

Which AMD processor line has 8 cores and runs up to 4.7 GHz?

FX-8320

In which part of a computer does CPU scheduling occur?

Operating system

You want your server to be able to access up to 32 GB of RAM. What should you be looking for?

64-bit address bus

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

L1 Cache

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

8 Gigabytes

You are creating specifications for a new high-end workstation. Which CPU should you choose if you want at least six CPU cores?

Intel Core i7

Which type of CPU was designed jointly by Motorola, Apple, and IBM?

PowerPC

Which type of cache is found as part of more advanced CPUs, is shared among the CPU cores and typically comes in sizes of 8 and 16 MB?

Level 3

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?

Control bus

Which CPU, developed originally by DEC, had 64-bit data and address buses, and was the first chip to reach 1 GHz?

Alpha

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?

IRQs

*NOT* ALU

What is a name given to the process of a CPU switching between applications very quickly?

Time slicing