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.

401.

The data dictionary tells the DBMS
A. what files are in the database
B. what attribute are possessed by the data
C. what these files contain
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
402.

If the record management system allows you to edit values before they are recorded on disk, you can
A. correct spelling changes before they are recorded
B. change the name of a field
C. change the width of a field
D. All of the above
E. None of the above
Answer» B. change the name of a field
Discussion
403.

The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
A. record
B. field
C. file
D. data base
E. data item
Answer» B. field
Discussion
404.

After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
A. Delete
B. Update
C. Sort key
D. Index
E. None of the above
Answer» C. Sort key
Discussion
405.

Problem analysis is done during
A. system design phase
B. systems analysis phase
C. before system test
D. All of the above
E. None of the above
Answer» C. before system test
Discussion
406.

To run the old system and the new system at the same time for a specified period, the system implementation approach used is
A. pilot
B. phased
C. parallel
D. direct
E. None of the above
Answer» D. direct
Discussion
407.

Top-down programming is
A. a group of related fields
B. a map of the programmer's view of the data
C. an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
D. a series or group of components that perform one or more operations of a more complex system
E. None of the above
Answer» D. a series or group of components that perform one or more operations of a more complex system
Discussion
408.

Managers who are potential users of the MIS
A. select the optimum equipment configurations
B. evaluate alternate equipment configurations
C. describe information needs
D. All of the above
E. None of the above
Answer» F.
Discussion
409.

Positive testing is
A. running the system with line data by the actual user
B. making sure that the new programs do in fact process certain transactions according to Specifications
C. is checking the logic of one or more programs in the candidate system
D. testing changes made in an existing or a new program
E. None of the above
Answer» C. is checking the logic of one or more programs in the candidate system
Discussion
410.

Data Definition Language (DDL)
A. describes how data are structured in the data base
B. specifies for the DBMS what is required; the techniques used to process data
C. determine how data must be structured to produce the user's view
D. All of the above
Answer» B. specifies for the DBMS what is required; the techniques used to process data
Discussion
411.

In phase 1 of the system development life cycle, which of the following aspects are usually analyzed?
A. outputs
B. input (transactions)
C. controls
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
412.

During the maintenance phase
A. System requirements are established
B. System analysis is carried out
C. Programs are tested
D. All of the above
E. None of the above
Answer» F.
Discussion
413.

Elapsed time, between initiating a query and receiving a response is called
A. response time
B. waiting time
C. processing time
D. Turnaround time
E. None of the above
Answer» E. None of the above
Discussion
414.

Which of the following statements, is (are) not true for the lease option
A. Lease charges are lower than rental charges for the same period and are also tax deductable.
B. Lease may be written to show higher payments is early years to reflect the decline in value of the system
C. Insurance, maintenance and other expenses are included in the rental charge
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
415.

Documentation is prepared
A. at every stage
B. at system design
C. at system analysis
D. at system development
E. None of the above
Answer» B. at system design
Discussion
416.

System Implementation Phase entails
A. System check outs
B. Pilot run
C. Parallel runs
D. All of the above
E. None of the above
Answer» B. Pilot run
Discussion
417.

The approach used in top-down analysis and design is
A. to identify the top level functions by combining many smaller components into a single entity
B. to prepare flow charts after programming has been completed
C. to identify a top level function an d then create a hierarchy of lower-level modules and components.
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
418.

The two classifications of inputs are
A. energies and maintenance
B. maintenance and waste
C. maintenance and signal
D. products and waste
E. None of the above
Answer» D. products and waste
Discussion
419.

Which of the following is not a factor in the failure of the systems developments projects?
A. size of the company
B. inadequate user involvement
C. failure of systems integration
D. continuation of a project that should have been cancelled
E. None of the above
Answer» B. inadequate user involvement
Discussion
420.

A Ring, refers to a record chain, the last of which refers to the first record, in the chain, is called a/an
A. addressing
B. location
C. pointer
D. loop
E. None of the above
Answer» D. loop
Discussion
421.

The axis of movement of a robot may include:
A. Wrist rotation
B. X-Y coordinate motion
C. elbow rotation
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
422.

Which device does the general population associate most with automation?
A. Flexible manufacturing
B. Robots
C. Numerical control machine
D. Computer graphics workstation
E. None of the above
Answer» C. Numerical control machine
Discussion
423.

Who made the statement "if a robot can do a job, a person should not be doing it"?
A. Prof. F. A. Fisher of Britain
B. Ron Albo of Shugart Associates, California
C. Prof. Meredith Turing, London University
D. John Smith, USA
E. None ,of the above
Answer» C. Prof. Meredith Turing, London University
Discussion
424.

CAD/CAM is the inter-relationship between:
A. manufacturing and marketing
B. marketing and design
C. engineering and marketing
D. engineering and manufacturing
E. None of the above
Answer» E. None of the above
Discussion
425.

What prevents a robotic instrument from running into other objects?
A. negative image
B. functional manipulators
C. memory
D. sensory devices
E. None of the above
Answer» E. None of the above
Discussion
426.

What was the name of the Japanese worker who was killed by an industrial robot at the Akashi plant of Kawasaki Heavy Industries in Japan?
A. M. Shubhagya
B. Harun Shimada
C. Kenji Urada
D. K. Miceni
E. None of the above
Answer» D. K. Miceni
Discussion
427.

Which method is frequently used, especially in the early stages of design?
A. The iterative design method
B. The direct method
C. The design selection method
D. All of the above
E. None of the above
Answer» B. The direct method
Discussion
428.

What is the difference between integral and derivative control?
A. derivative control does not eliminate offset error
B. integral control has slower response to an error signal.
C. derivative control responds to a change in the rate of change in the error signal
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
429.

Flat panel displays are based on what type of technology?
A. Direct view storage tube
B. Very large-scale integration (VLSI)
C. Solid state
D. RGB monitor
E. None of the above
Answer» D. RGB monitor
Discussion
430.

Which of the following is a graphical input device?
A. light pen
B. keyboard
C. mouse
D. Track ball
E. None of the above
Answer» B. keyboard
Discussion
431.

Automation normally means:
A. a net loss of jobs.
B. a net increase in jobs.
C. no change in jobs.
D. All of the above
E. None of the above
Answer» C. no change in jobs.
Discussion
432.

When of the following produces the best quality graphics reproduction?
A. Dot metric printers
B. Ink jet printers
C. Laser printers
D. Plotters
E. None of the above
Answer» E. None of the above
Discussion
433.

The three key elements for a graphics workstation include the host processor, display controller, and:
A. mouse
B. keyboard
C. CRT
D. digitizer
E. None of the above
Answer» D. digitizer
Discussion
434.

The raster CRT eliminates:
A. flicker and slow update
B. slow update only
C. flicker only
D. has no effect
E. None of the above
Answer» B. slow update only
Discussion
435.

The name given to the test that determines whether a machine can think is the:
A. Gaussian test
B. McCarthy test
C. Turing test
D. Boolean test
E. None of the above
Answer» D. Boolean test
Discussion
436.

Which of the following is a machine language instruction?
A. ADD 5
B. 10001101
C. GOTO XOUT
D. All of the above
E. None of the above
Answer» C. GOTO XOUT
Discussion
437.

The two major categories of software are: application software and
A. system software
B. UNIX software
C. high-level languages
D. CAD software
E. None of the above
Answer» B. UNIX software
Discussion
438.

Timing using a TM990 micro computer:
A. require an external timer added by the user
B. is available on the standard CPU board
C. can be handled in software
D. both (b) and (c)
E. None of the above.
Answer» E. None of the above.
Discussion
439.

A discrete parts process is:
A. the same as a continuous process except a different controller must be used
B. often encountered in manufacturing
C. normally a repetitive series of operations
D. (b) and (c)
E. None of the above
Answer» B. often encountered in manufacturing
Discussion
440.

A drum timer is a good example of:
A. an output actuator
B. an input sensor
C. a position sensor
D. a sequence controller
E. None of the above
Answer» E. None of the above
Discussion
441.

The formula for memory capacity is:
A. MC = N/2
B. MC = 2/N
C. MC = N squared.
D. MC -2 to the Nth power
E. None of the above
Answer» E. None of the above
Discussion
442.

How is the integral mode implemented using analog methods?
A. Op amp and resistors
B. Op amp and a capacitor
C. Op amp and an RC network to place the error voltage across the capacitor
D. All of the above
E. None of the above
Answer» C. Op amp and an RC network to place the error voltage across the capacitor
Discussion
443.

The general type of process found in industry is:
A. discrete parts
B. continuous
C. batch
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
444.

The program counter:
A. decides which program to run
B. counts the number of instructions that have been executed
C. contains the address of the next instruction to be executed
D. is where arithmetic is done in a computer.
E. None of the above
Answer» D. is where arithmetic is done in a computer.
Discussion
445.

Speech recognition:
A. will never be used in industrial controls
B. is already widely used in industrial controls
C. will be used in more applications as the technology matures.
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
446.

Digital signals:
A. can have three possible levels
B. are assigned values of 1 or 0 depending on the voltage level
C. have a sinusoidal shape.
D. have a frequency measured in units of hertz
E. None of the above
Answer» C. have a sinusoidal shape.
Discussion
447.

Semiconductor devices:
A. are less reliable than electro mechanical components
B. usually have a very short MTBF (mean time between failure)
C. have a very short infant mortality period
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
448.

The use of specialized workstations:
A. provides limited growth potentials for 3-D
B. reduces the host computer workload and allows more users
C. reduces the host computer workload
D. has a high cost-performance tradeoff
E. None of the above
Answer» C. reduces the host computer workload
Discussion
449.

Which of these controller types is the most accurate?
A. Proportional plus integral
B. Proportional
C. Proportional plus derivative
D. Three mode
E. None of the above
Answer» E. None of the above
Discussion
450.

There are several procedures you can implement to provide maximum security. The most important of these is:
A. do not leave training manuals unsecured
B. run regular simulated tests using TARP (testing of Applications Recovery Planes)
C. Verify the reputation of the people installing your system
D. do not allow unbonded service people to work on your equipment
E. None of the above
Answer» C. Verify the reputation of the people installing your system
Discussion