CIT211 EXAM PRACTICE QUESTIONS AND ANSWERS IN NOUN

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The most important system program in a computer system is _________?

a. The process of providing convenient methods for using I/O devices.

b. The process of translating program addresses into physical addresses.

c. Operating System

d. The process of providing processes a way to communicate.

An exokernel is _______________?

a. A type of kernel that does not abstract hardware into theoretical models

b. Managing computer resources, facilitating networking, and controlling input and

output devices

c. Providing an interface to coordinate different resources of a computer

d. None of the options

which of the following is a function of OS as a resource manager?

a. By allowing computer system resources to be used in an efficient manner

b. By directing the processor in the use of the other system resources and in the

timing of its execution of other programs

c. By managing the hardware and software resources of a computer

d. By providing an interface for using the computer system

__________ is the purpose of virtual addressing in memory management

a. Developing new system functions without interfering with its service

b. Allow processes to access memory safely as they require it

c. None of the options

d. Managing computer resources, facilitating networking, and controlling input and

output devices

________ are the various services rendered to the user by an OS?

a. Providing an interface to coordinate different resources of a computer

b. Allow processes to communicate with each other

c. Allocate requests from applications to perform I/O

d. Allow multiple programs to access memory simultaneously

A hybrid kernel is defined as_________?

a. A graphical user interface for ease of operation

b. A kernel that combines elements of monolithic and microkernel designs

c. A machine-level program for manipulating the hardware

d. A suite of programs implemented in hardware that makes the hardware usable

_______________ were the two new system programs introduced with the HASP system

a. A set of programs that provide an interface to the OS managed resources

b.The core of computer programming that primarily deals with computer architecture

c.An application that provides an interface to coordinate different resources of computer

d.a system reader and a system writer

Pre-emptive multitasking system is_______?

a.A system where the kernel gives every program a slice of time and switches from process to process quickly

b.All of the options

c.It manages computer system resources in an efficient manner

d.It allows for the effective development, testing, and introduction of new system functions

The kind of disk operating system the Commodore 64, Atari 800 and Apple II machines have is___________?

a.Efficient use of system resources

b.System protection was a solution

c.CPU was faster than mechanical I/O devices

d.DOS

Re-entrancy in kernel development is_________?

a.Simulating the abstractions of a well-known OS to run programs

b.Using ancillary programs such as program loaders and debuggers to run programs

c.The ability to run two different parts of its code simultaneously

d.Using modern operating systems and kernels to run programs

_________ is inter-process communication (IPC)?

a.Synchronization and communication between processes

b.To provide hardware abstraction to applications

c.To provide support for video game consoles and embedded systems

d.To manage application-specific abstractions

What facilitated the moving of blocks of code within memory without an undue

overhead penalty?

a.The process of setting up an address space for an application

b.The process of allocating requests from applications to perform I/O

c.The process of loading the file containing the application\’s code into memory

d.relocation hardware

Cooperative multitasking means______?

a.Chips

b.Each process is allowed to run uninterrupted until it makes a special request that tells the kernel it may switch to another process

c.Resistors

d.Vacuum tubes

cooperative multitasking means_________?

a.Each process is allowed to run uninterrupted until it makes a special request that tells the kernel it may switch to another process

b.no advantages in speed or economy

c.significant disadvantages in both speed and economy

d.significant advantages in speed only

What are the resources managed by the kernel?

a.ENIAC

b.Mark I

c.CPU, computer memory, and I/O devices

d.ABC

_________ are the goals of an OS?

a. John Mauchly

b. Convenience for the user, efficiency, and evolutionary capabilities

c.Wallace Eckert

d.Howard Aiken

_________ is required to manage rapid access to block storage of sequential data?

a.Software

b.The ability to communicate between processes

c.The ability to manage the computer\’s resources

d.The ability to allow other programs to run and use the computer\’s resources

What did the abbreviation DOS refer to in some cases?

a.The disk operating system component or even the operating system

b.A kernel that only supports video game consoles and embedded systems

c.A kernel that provides services to applications

d.A kernel that only manages hardware resources

The problem with the First Generation systems was_______?

a.the fourth generation

b.the sixth generation

c.the fifth generation

d.Inefficient use of system resources

Why is kernel development considered difficult?

a.Programs, computer memory, and I/O devices.

b.Programs, CPU, and I/O devices.

c.CPU, computer memory, and programs.

d.Its central position in an operating system implies the necessity for good performan

Monoprogrammed operating system eliminate what______?

a.successful implementation of disk units

b.successful implementation of miniaturization

c.successful implementation of relocation hardware

d.Human intervention in running job

The Zeroth Generation can be define as________?

a.The period before the commercial production and sale of computer equipment

b.Abstraction, simulation, and programming

c.Libraries, operating systems, and applications

d.Hardware, encryption, and networking

When was the disk operating system only loaded if needed?

a.the appearance of spooling operating systems

b.the appearance of IBM\’s System/360 family of computers

c.In the early days of microcomputing

d.the appearance of time-sharing

In conclusion

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More practice questions and answers will bw updated from time to time. So do well to come back checking for more.

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