Explore topic-wise MCQs in Engineering.

This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

1351.

The time for which a piece of equipment operates is called

A. Seek time
B. Effective time
C. Access time
D. Real time
E. None of the above
Answer» C. Access time
Discussion
1352.

A program component that allows structuring of a program in an unusual way is known as

A. Correlation
B. Coroutine
C. Diagonalization
D. Quene
E. None of the above
Answer» C. Diagonalization
Discussion
1353.

Which output device is used for translating information from a computer into pictorial form on paper.

A. Mouse
B. Plotter
C. Touch panel
D. Card punch
E. None of the above
Answer» C. Touch panel
Discussion
1354.

Which of the following is not currently a topic in computer science?

A. Speech recognition
B. Artificial intelligence
C. Thermodynamics
D. Multiprocessing
E. None of the above
Answer» D. Multiprocessing
Discussion
1355.

The process of entering data into a storage location

A. adds to the contents of the location
B. cause variation in its address number
C. is known as a readout operation
D. is destructive of previous contents
E. None of the above
Answer» E. None of the above
Discussion
1356.

What is the i/o address for com1?

A. 3e8
B. 3bc
C. 5f8
D. 3f8
E. 008
Answer» E. 008
Discussion
1357.

What is the main communication method from one PDA to another PDA?

A. IR
B. USB
C. RS-232
D. IEEE 1394
E. None of the above
Answer» B. USB
Discussion
1358.

What Does EISA stand for?

A. Extended Industry Standard Architecture
B. Expanded Industry Standard Architecture
C. Enhanced Industry Standard Architecture
D. Electronics Industry Standard Architecture
E. All of the above
Answer» B. Expanded Industry Standard Architecture
Discussion
1359.

What command is used to hand up a MODEM when using the "AT Answer Command set"?

A. ATZ
B. ATD
C. ATR
D. ATH
E. None of the above
Answer» E. None of the above
Discussion
1360.

You have a 15 pin female connector with the pins in two rows. What could you connect with this?

A. Serial device
B. Parallel device
C. MIDI device
D. Video device
E. Joystick
Answer» F.
Discussion
1361.

Which of the following is a type of preventative maintenance used on a hard drive?

A. Disk check diagnostics
B. Head alignment diagnostics
C. Initializing
D. Uninstalling programs
E. None of the above
Answer» B. Head alignment diagnostics
Discussion
1362.

You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read?

A. 0.0
B. 0.2
C. 5.0
D. 2.0
E. None of the above
Answer» B. 0.2
Discussion
1363.

A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

A. l0Mhz
B. 25Mhz
C. 50Mhz
D. 100 Mhz
E. None of the above
Answer» C. 50Mhz
Discussion
1364.

Simple routines that programmers use as place holders while a system is being tested are called _____

A. stubs
B. stumps
C. holders
D. templates
Answer» B. stumps
Discussion
1365.

A brownout is defined as:

A. a slightly elevated voltage lasting from seconds to minutes or more
B. a slightly decreased voltage lasting from seconds to minutes or more
C. complete power out lasting a few minutes
D. alternating power out, power on lasting a few minutes
E. has nothing to do with electricity
Answer» C. complete power out lasting a few minutes
Discussion
1366.

Which is true?

A. Sequential cohesion is slightly weaker than functional cohesion
B. Sequential cohesion is slightly stronger than functional cohesion
C. Sequential cohesion is much stronger than functional cohesion
D. Neither sequential cohesion nor functional cohesion is stronger than the other
Answer» B. Sequential cohesion is slightly stronger than functional cohesion
Discussion
1367.

One of the relational operators in the C language is

A. !=
B. &&
C. !
D. #
E. None of the above
Answer» B. &&
Discussion
1368.

3 is a _____ constant

A. character literal
B. named literal
C. numeric literal
D. string literal
Answer» D. string literal
Discussion
1369.

A function argument is

A. a variable in the function that receives a value from the calling program
B. a way that functions resist accepting the calling program's values
C. a value sent to the function by the calling program
D. a value returned by the function to the calling program
E. None of the above
Answer» D. a value returned by the function to the calling program
Discussion
1370.

The following method/s are used in Transportation Models of Operations Research:

A. VogeFs Approximation Method
B. North West Corner Method
C. Least Cost Method
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
1371.

In C++, class definitions are most often

A. stored with each program that uses them
B. stored in a header file that is included in the programs that use them
C. stored in a folder that you paste into every new project
D. retyped for every new project
Answer» C. stored in a folder that you paste into every new project
Discussion
1372.

When purchase cost is $20, maintenance cost is $0.50, and annual sale are 20 units, EOQ is

A. 20
B. 40
C. 80
D. 160
E. None of the above
Answer» C. 80
Discussion
1373.

In the future, users of a computer system may identify themselves by entering a _____ and a fingerprint

A. hard print
B. soft print
C. voice print
D. digital
E. None of the above
Answer» D. digital
Discussion
1374.

The model base contains programs

A. written by the firm's programmers
B. provided by the computer vendor
C. purchased from outside firms, such as software houses
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
1375.

The employee profile report is used by

A. the manager
B. the individual department
C. the personnel department
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
1376.

Computing systems most often facilitate planning because they:

A. make it possible to take into account many possibilities in an uncertain situation
B. make it possible to solve complex problems
C. enable an appropriate data processing system to provide answers quickly
D. All of the above
E. None of the above
Answer» B. make it possible to solve complex problems
Discussion
1377.

Sales invoking is a:

A. pre-sales activity
B. job of finance department
C. post-sales activity
D. All of the above
E. None of the above
Answer» B. job of finance department
Discussion
1378.

A greater proportion of time spent in directing on the

A. top management level
B. middle management level
C. lower management level
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
1379.

Long-range planning reports produced in an MIS are primarily designed for:

A. top management
B. middle management
C. lower management
D. both (a) and (c)
E. None of the above
Answer» B. middle management
Discussion
1380.

Header labels contain

A. creation data
B. control totals
C. both (a) and (b)
D. neither (a) nor (b)
E. None of the above
Answer» B. control totals
Discussion
1381.

Customer data (name and address, shipping instructions, credit terms, etc.) is provided by the:

A. manufacturing information system
B. order entry subsystem
C. billing subsystem
D. marketing information system
E. None of the above
Answer» D. marketing information system
Discussion
1382.

Quantitative evaluation of new products assures that

A. the important factors receive management attention
B. the factors are weighted according to their relative importance
C. both (a) and (b)
D. neither (a) nor (b)
E. None of the above
Answer» D. neither (a) nor (b)
Discussion
1383.

If you declare two objects as Customer firstCust, secondCust; which of the following must be true?

A. Each object's nonstatic data members will be stored in the same memory location
B. Each object will be stored in the same memory location
C. Each object will have a unique memory address
D. You cannot declare two objects of the same class
Answer» D. You cannot declare two objects of the same class
Discussion
1384.

Which of the following is not one of the factors affecting the difficulty of the MIS project?

A. objectives of the firm
B. the existing MIS
C. management abilities
D. employee attitude
E. None of the above
Answer» D. employee attitude
Discussion
1385.

Management by exception is based on a

A. positive attitude towards problem recognition
B. negative attitude toward problem recognition
C. indifferent attitude toward problem recognition
D. All of the above
E. None of the above
Answer» B. negative attitude toward problem recognition
Discussion
1386.

A compound statement does not consist of

A. a single statement
B. other compound statements
C. expression statements
D. control statements
E. None of the above
Answer» B. other compound statements
Discussion
1387.

Which of the following statements will display the word "Hello" on the computer screen?

A. cin << "Hello";
B. cin >> "Hello";
C. cout << "Hello";
D. cout >> "Hello";
E. None of the above
Answer» D. cout >> "Hello";
Discussion
1388.

Which of the following while clause will stop the loop when the value in the age variable is less than the number 0?

A. while age < 0
B. while (age < 0)
C. while age >= 0;
D. while (age >= 0);
E. while (age >= 0)
Answer» F.
Discussion
1389.

The arguments that determine the state of the cout object are called _____

A. classes
B. manipulators
C. format flags
D. state controllers
Answer» D. state controllers
Discussion
1390.

Which of the following C++ expressions will find the square root of the number 16?

A. pow (16, 2) (b) root (16, 2)
B. sqroot (16)
C. sqrt (16, 2)
D. sqrt (16)
Answer» E.
Discussion
1391.

The C++ keyword for declaring a variable that contains a decimal point is _____

A. dec
B. decimal
C. float
D. floater
E. None of the above
Answer» D. floater
Discussion
1392.

Making class members inaccessible to nonmember functions is an example of

A. polymorphism
B. data hiding
C. redundancy
D. recursion
Answer» C. redundancy
Discussion
1393.

Assume that your version of C++ can recognize only the first 8 characters of an identifier name, through identifier names may be arbitrarily long. Which of the following identifier names is not distinct:

A. list, list2
B. address, Address
C. identifier_l, identifier_2
D. answer, ANSWER
E. None of the above
Answer» D. answer, ANSWER
Discussion
1394.

The string HELLO WORLD needs

A. 11 bytes
B. 12 bytes
C. 10 Bytes
D. 8 bytes
E. None of the above
Answer» B. 12 bytes
Discussion
1395.

The null character is represented by

A. n
B. 0
C. o
D. r
E. None of the above
Answer» C. o
Discussion
1396.

Which is a good guideline for creating function names?

A. Use all lowercase letters to identify the functions as C++ functions
B. Use long names to reduce the likelihood of creating a duplicate function name
C. Use abbreviations as much as possible to save both keystrokes and memory
D. Avoid the use of digits because they are easily confused with letters
Answer» E.
Discussion
1397.

To write data that contains variables of type float, to an object of type ofstream, you should use

A. the insertion operator
B. seekg()
C. writeQ
D. put()
Answer» D. put()
Discussion
1398.

Which application allows a user to access and change remote files without actual transfer?

A. TELNET
B. NFS
C. FTP
D. DNS
E. None of the above
Answer» C. FTP
Discussion
1399.

What is the minimum number of wires needed to send data over a serial communication link layer?

A. 1
B. 2
C. 4
D. 6
E. none of the above
Answer» C. 4
Discussion
1400.

The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

A. 148.20.2.30
B. 164.100.9.61
C. 210.20.2.64
D. 128.10.2.30
E. None of the above
Answer» E. None of the above
Discussion