Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

A teleprocessing system may consist of

A. user systems
B. communications systems
C. computer center systems
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
2.

How many digits of the Network User Address are known as the DNIC (Data Network Identification Code)?

A. first three
B. first four
C. first five
D. first seven
E. None of the above
Answer» C. first five
Discussion
3.

Which of the following is the address of the router?

A. The IP address
B. The TCP address
C. The subnet mask
D. The default gateway
E. None of the above
Answer» E. None of the above
Discussion
4.

Which of the following divides the high speed signal into frequency bands?

A. t-switch
B. modem
C. frequency-division multiplexer
D. time-division multiplexer
E. None of the above
Answer» D. time-division multiplexer
Discussion
5.

What is the first octet range for a class C IP address?

A. 192 - 255
B. 192 - 223
C. 192 - 226
D. 128 - 191
E. 1 - 126
Answer» C. 192 - 226
Discussion
6.

The dialogue techniques for terminal use do not include

A. questions and answers
B. open-ended questions
C. form fillings
D. menu display
E. None of the above
Answer» C. form fillings
Discussion
7.

You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. 255.255.255.255
Answer» C. 255.255.255.240
Discussion
8.

You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. 255.255.255.252
Answer» D. 255.255.255.248
Discussion
9.

The encoding method specified in the EIA-232 standard is _____.

A. NRZ-I
B. NRZ-L
C. Manchester
D. Differential Manchester
Answer» C. Manchester
Discussion
10.

Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:

A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets
Answer» C. Inter organizational networks
Discussion
11.

TCP is:

A. Operates at the Data Link layer
B. Connection orientated and unreliable
C. Connection orientated and reliable
D. Connectionless and unreliable
Answer» D. Connectionless and unreliable
Discussion
12.

Establishing a virtual connection is functionally equivalent to

A. Connecting as virtual memory
B. Physically connecting a DTE and DCE
C. Placing a telephone call prior to a conversation
D. Placing a modem prior to a conversation
E. None of the above
Answer» D. Placing a modem prior to a conversation
Discussion
13.

The first step in troubleshooting many problems is to verify which of the following?

A. The subnet mask is valid
B. TCP/IP is installed correctly on the client
C. The WINS server is running
D. The BDC is operable
E. None of the above
Answer» C. The WINS server is running
Discussion
14.

Data security threats include

A. hardware failure
B. privacy invasion
C. fraudulent manipulation of data
D. All of the above
E. None of the above
Answer» C. fraudulent manipulation of data
Discussion
15.

An operation that will increase the length of a list is

A. Insert
B. Look-up
C. Modify
D. All of the above
E. None of the above
Answer» B. Look-up
Discussion
16.

In SQL, which command(s) is(are) used to enable/disable a database trigger?

A. ALTER TRIGGER
B. ALTER DATABASE
C. ALTER TABLE
D. MODIFY TRIGGER
E. All of the above
Answer» B. ALTER DATABASE
Discussion
17.

In a relational schema, each tuple is divided into fields called

A. Relations
B. Domains
C. Queries
D. All of the above
E. None of the above
Answer» C. Queries
Discussion
18.

Communication network is

A. one or more conductors that serve as a common connection for a related group of devices
B. a continuous frequency capable of being modulated or impressed with a second signal
C. the condition with two or more stations attempt to use the same channel at the same time
D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
E. None of the above
Answer» E. None of the above
Discussion
19.

Which of the following is an advantage to using fiber optics data transmission?

A. resistance to data theft
B. fast data transmission rate
C. low noise level
D. few transmission errors
E. All of the above
Answer» F.
Discussion
20.

If a sine wave has a frequency of 500 Hz, the period in seconds of the sine wave is:

A. 5000
B. 0.003
C. 0.02
D. 0.002.
E. None of the above
Answer» E. None of the above
Discussion
21.

A Hall effect switch is usually used to:

A. , measure voltage
B. measure temperature
C. sense a vacuum
D. sense the presence of a magnetic object.
E. None of the above
Answer» E. None of the above
Discussion
22.

A microprocessor is:

A. controlled by a program
B. an integrated circuit
C. relatively inexpensive
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
23.

An up/down counter used in a TI510PC has three inputs. Which of the following is not one of them?

A. Count up
B. Count out
C. Reset.
D. Count down
E. None of the above
Answer» C. Reset.
Discussion
24.

The addition of _____ can reduce processing time.

A. A buffer
B. An EPROM
C. A converter
D. A co-processor
E. None of the above
Answer» E. None of the above
Discussion
25.

A venturi tube:

A. is extremely difficult to use
B. is made only of metal
C. measures the presence of a liquid
D. can be used to measure gas or liquid flow rates
E. None of the above
Answer» E. None of the above
Discussion
26.

The hardware device Jhat acts as both a switching and connecting unit is called a(n):

A. concentrator
B. RS-232C port
C. multiplexer
D. communications processor
E. None of the above
Answer» D. communications processor
Discussion
27.

The APT (automatically progra mmed tools) language is used with:

A. large automation systems
B. drafting systems
C. programmable controllers
D. numerical controlled machines.
E. None of the above
Answer» E. None of the above
Discussion
28.

The Ziegler-Nichols method:

A. is a graphical solution method
B. can be used to determine gain factors of a PI loop
C. is a method of control
D. a and b above
E. None of the above
Answer» E. None of the above
Discussion
29.

The heart of automation technology is.

A. robots
B. computers
C. control
D. sensors
E. None of the above
Answer» C. control
Discussion
30.

Which CAD display configurability allows work without any host support?

A. Highly intelligent
B. Medium intelligence
C. Low intelligence
D. One with no secondary storage capacity.
E. None of the above
Answer» B. Medium intelligence
Discussion
31.

Robots can increase productivity because:

A. they do not take a vacation
B. they do not get tired
C. production quality is uniform
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
32.

The rectangular boundary around a specific area on the display is called

A. a window
B. a conic section
C. a view point
D. a view plane
E. None of the above
Answer» B. a conic section
Discussion
33.

In the PROLOG language system, facts are manipulated by:

A. algorithms
B. rules
C. memory
D. simulations
E. None of the above
Answer» C. memory
Discussion
34.

A favourable reason for automation is to:

A. decrease throughput
B. raises assembly cost
C. perform difficult operations
D. increase number of operations
E. None of the above
Answer» D. increase number of operations
Discussion
35.

Advantages of robots include:

A. increased productivity
B. ability to withstand hazardous environments
C. good return on investment and better company image
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
36.

Light sensors:

A. cannot be used a s limit switches.
B. come in a wide variety of mounting styles
C. work in direct sunlight
D. never use infrared light as light source
E. None of the above
Answer» C. work in direct sunlight
Discussion
37.

What is proportional control?

A. It has a discrete output for each error value
B. The controller output varies continuously over a range
C. The gain is independent of offset error.
D. All of the above
E. None of the above
Answer» C. The gain is independent of offset error.
Discussion
38.

Analog and digital controllers:

A. cost the same to build
B. accept the same input signals
C. can be changed with equal case
D. All of the above
E. None of the above
Answer» F.
Discussion
39.

The real "brain" of an artificial intelligence system is referred to as:

A. bubble memory
B. the expert system
C. recursive technology
D. natural language interfaces
E. None of the above
Answer» C. recursive technology
Discussion
40.

Robot motion:

A. is the same for all robots
B. usually imitates human motion
C. is not dependent on the robot structure
D. All of the above
E. None of the above
Answer» C. is not dependent on the robot structure
Discussion
41.

A proportional plus integral contro ller can:

A. has no transient response
B. can compensate for lag
C. can increase the system type
D. both (b) and (c)
E. None of the above
Answer» E. None of the above
Discussion
42.

Which of the following method is used the results of a design analysis as a base for redesign decisions?

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
43.

What kind of capability is required if one plans to interface with a plotter or printer?

A. A graphics cable
B. RGB monitor
C. A graphics board
D. A co-processor
E. None of the above
Answer» D. A co-processor
Discussion
44.

Stepping motors:

A. can run at varying speeds
B. can be built to index different amounts by changing the pole configuration
C. can run both clockwise and counterclockwise
D. do not require commutators
E. All of the above
Answer» F.
Discussion
45.

Most continuous control actuators:

A. are of the time proportioning type
B. use a 4 to 20 mA current loop input
C. are used with standard continuous control loop
D. (b) and (c) above
E. None of the above
Answer» E. None of the above
Discussion
46.

Group technology brings together and organizes:

A. automation and tool production
B. parts and simulation analysis
C. documentation and analysis
D. common parts, problems, and tasks
E. None of the above
Answer» E. None of the above
Discussion
47.

The steady-state error is:

A. independent of the type of input
B. a function of the transient response
C. zero for all inputs to type 1 systems
D. decreased by increasing gain.
E. None of the above
Answer» E. None of the above
Discussion
48.

A flexible manufacturing system may be:

A. an automated assembly line
B. expensive to alter
C. very difficult to change when new products are introduced
D. All of the above.
E. None of the above
Answer» B. expensive to alter
Discussion
49.

The digitizing technology that uses an electric field radiated from the tablet and picked up by a cursor is:

A. electromagnetic
B. raster
C. sonic
D. electrostic
E. None of the above
Answer» E. None of the above
Discussion
50.

Which of the methods below can be used to tell a robot what it is to do?

A. Walk-through
B. Set mechanical stops
C. Software program
D. (a) and (c)
E. None of the above
Answer» E. None of the above
Discussion