CSC220 - Chapter 4

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

The component of a computer that provides the CPU with a working storage area for program instructions and data is called the __________. a. main memory b. input/output device c. bus d. processor

A

_____ is an approach concerned with the efficient and environmentally responsible design, manufacture, operation, and disposal of IS-related products. a. Green computing b. Grid computing c. Cloud computing d. Utility computing

A

_____ is an open-source operating system whose source code is freely available to everyone. a. Linux b. Mac OS X c. Chrome d. UNIX

A

3D printing is ________. a. an emerging technology with few practical uses b. used to make solid objects from filaments or powder c. used more in homes than in commercial settings d. an extremely high-resolution form of 2D printing

B

A type of memory whose contents are not lost if the power is turned off or interrupted is said to be _____. a. unarbitrary b. nonvolatile c. inaccessible d. nonadjacent

B

An information system that operates in the _____ sphere of influence supports teamwork between two or more people who work together to achieve a common goal, regardless of where those team members live. a. personal b. workgroup c. enterprise d. social

B

CPU clock speed is the predetermined rate at which the processor _____. a. processes instructions b. produces a series of electronic pulses c. produces a number of files d. loads memory pages

B

Currently, though many different programming languages are used, most software is developed using _____. a. a compiler b. an integrated development environment c. a debugger d. personal application software

B

New cars come with onboard computer systems that control antilock brakes, air bag deployment, fuel injection, etc. They run operating system software known as ____. a. a multi-user operating system b. an embedded operating system c. an enterprise operating system d. mobile application software

B

The class of computer systems used by multiple concurrent users offers businesses the potential to increase their processing capability to handle more users, more data, or more transactions in a given period, which is known as _____. a. backward compatibility b. scalability c. quantum computing d. portability

B

What criteria are used by the Uptime Institute to classify data centers into four tiers? a. quality of fire protection systems, physical security systems, and HVAC system b. expected annual downtime, fault tolerance, and power outage protection c. local climate, risk of natural disasters, and power usage effectiveness d. number of customers, reliability of power source, and quality of equipment

B

_____ is the use of a collection of computers, often owned by many people or different organizations, to work in a coordinated manner to solve a common problem. a. Cloud computing b. Grid computing c. Parallel computing d. Web computing

B

A _____ is a climate- and access-controlled building or a set of buildings that houses the computer hardware that delivers an organization's data and information services. a. data mart b. data warehouse c. data center d. data mine

C

A _____ is a computer employed by many users to perform a specific task, such as running network or Internet applications. a. slim client b. nettop c. server d. mainframe

C

The _____ is the heart of the operating system and controls its most critical processes. a. user interface b. register c. kernel d. cache

C

The simultaneous execution of two or more instructions at once by a computer is known as _____. a. parallel processing b. grid computing c. multiprocessing d. massive computing

C

When a business wishes to move away from hosting its own applications, a solution that offers many advantages is to use ______. a. proprietary software b. virtualization c. software as a service d. muti-boot options

C

A(n) _____ device provides data and instructions to the computer and receives results from it. a. back-side b. expansion c. internal d. input/output

D

All of the following are examples of activities performed by an operating system EXCEPT ________. a. managing system memory b. controlling common computer hardware functions c. managing files d. providing word processing capabilities to users

D

An operating system with _____ capabilities allows a user to run more than one program concurrently. a. networking b. hardware independence c. memory management d. Multitasking

D

Completing an instruction involves two phases—instruction and execution—which are each broken down into two steps for a total of four steps. Which of the following is NOT one of the four steps? a. fetch instruction b. store results c. execute instruction d. process data

D

Helen is 72 years old and is a retired school teacher on a fixed income. She would like to buy a new computer so that she can communicate via email, follow friends and family on social media, and occasionally access recipes and gardening tips from the Web. An important thing to consider is that Helen has arthritis in her hands, making it difficult for her to work with small buttons and gadgets. So, of the following options, her best choice is probably a(n) ________. a. smartphone b. e-book c. desktop d. nettop

D

Suppose you wish to run two different operating systems on one server. You can accomplish this by using _______. a. a multiprocessor operating system b. an embedded system c. the system utilities d. virtualization software

D

_____ are the most powerful computers with the fastest processing speed and highest performance. a. Blade servers b. Workstations c. Mainframe computers d. Supercomputers

D

_____ is an example of a popular general-purpose software suite for personal computer users. a. Google Chrome b. Snow Leopard c. Mozilla Firefox d. Microsoft Office

D


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