Chapter 2

Question 1

All computers, including desktop and notebook microcomputers, midrange systems, mainframes, and supercomputers, are made up of the same six basic components. Which of the following lists is entirely made up of some of these basic components?

Answer 1

control unit, memory, and output

Question 2

Which of the following is not an example of a computer output device?

Answer 2

MICR reader

Question 3

Which method of input can recognize characters from typed, printed, or handwritten material?

Answer 3

OCR

Question 4

Which of the following is not an advantage of secondary storage devices compared to main memory?

Answer 4

fast speed

Question 5

DASD refers to:

Answer 5

direct access storage device.

Question 6

Machine language is the form of a computer program that the control unit of the computer has been built to understand. In general, a machine language instruction consists of two parts, which are:

Answer 6

operation code and address(es).

Question 7

Evaluating how well various computers will handle an organization’s workload by running a representative set of real jobs on the different machines is called:

Answer 7

benchmarking

Question 8

Which type of computer is often used for numerically intensive scientific calculations or to act as an extremely large Web server?

Answer 8

supercomputers

Question 9

Which type of computer serves as the heart of the computing systems for many, perhaps most, major corporations and government agencies? This type of computer system also can act as a large Web server, as a server in a client/server application, and has the widest range of available applications.

Answer 9

mainframes

Question 10

Which of the following computer storage devices is not an example of a direct access storage device?

Answer 10

magnetic tape drive

Question 11

In the 2000s, a new way of handling multiple servers in a computing center became popular, in which multiple server modules are housed in a single chassis, saving space in the computing center, reducing the required cabling, and improving system management. What are these servers called?

Answer 11

blade servers

Question 12

Assembly language programs are converted to machine language using an assembler. The resulting machine language program is called a(n) ________ program.
A) source

Answer 12

object

Question 13

The language translator program which translates an entire 3GL or 4GL program into machine language before any of the program is executed is called a(an):

Answer 13

compiler

Question 14

What are the two major categories of computer software?

Answer 14

applications software and support software

Question 15

Which of the following is an example of applications software?

Answer 15

inventory record-keeping programs
spreadsheet packages
word-processing software

Question 16

The collection of applications programs commonly used by office workers–including word processing, spreadsheets, electronic mail, presentation graphics, and so on–are referred to as ________ software

Answer 16

personal productivity

Question 17

Each response below lists two operating systems in common use today. In which response are both of the operating systems listed open systems?

Answer 17

Linux and UNIX

Question 18

On large computers, the operating system switches back and forth among multiple programs stored in memory in order to overlap input and output operations with processing time; the purpose of this switching is to maximize the work done by the CPU. What is this concept of switching among multiple programs in memory called?

Answer 18

multiprogramming

Question 19

The following are benefits associated with the procedural language COBOL

Answer 19

The language resembles English.
It is standardized.
It is relatively easy to learn.

Question 20

HTML uses ________ placed within a document to tell the Web browser how to display various elements on a Web page.

Answer 20

tags

Question 21

A 4 GL, nonprocedural language–often provided with the database management system–which is used to retrieve data from a database is called a ________ language.

Answer 21

query

Question 22

Which of the following is an example of communications interface software that is used to transfer files from one computer system to another?

Answer 22

FTP

Question 23

The CPU is made up of two components, the control unit and memory.

Answer 23

FALSE: It is made up of the control unit and the arithmetic/logic unit.

Question 24

The stored-program concept allows users to specify a list of operations that can be carried out at electronic speeds, rather than waiting for the user to specify each operation separately.

Answer 24

TRUE

Question 25

Encapsulation is one of the important features of objects (in object-oriented programming) in which a subclass inherits the properties, methods, and events of the class to which it belongs.

Answer 25

FALSE

Explanation: The statement above is the definition of inheritance, not encapsulation.