Chapter 4 Exam Questions - Hardware - CSC220 Information Systems
_____ 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. Green computing
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. main memory
_____ 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. Grid computing
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. expected annual downtime, fault tolerance, and power outage protection
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. nonvolatile
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. produces a series of electronic pulses
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. scalability
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. used to make solid objects from filaments or powder
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. data center
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. multiprocessing
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. server
_____ are the most powerful computers with the fastest processing speed and highest performance. a. Blade servers b. Workstations c. Mainframe computers d. Supercomputers
d. Supercomputers
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. input/output
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. nettop
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. process data
