Explore topic-wise MCQs in Computer Science.

This section includes 258 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

51.

The person communicating with the manager to identify information needs is the

A. executive vice-president
B. vice- president of information system
C. programmer
D. system analyst
Answer» E.
52.

A problem's _____ will answer the question, "What does the user want to see either printed or displayed on the screen?"

A. Input
B. Output
C. Processing
D. Purpose
Answer» C. Processing
53.

Coding and testing are done in which manner.

A. ad hoc
B. cross-sectional
C. bottom-up
D. top-down
Answer» E.
54.

An indexed file offers the facility of a Random file and the access method of a

A. Sequential file
B. indexed file
C. direct access file
D. random access file
Answer» B. indexed file
55.

The advantage of Purchase Option is (are)

A. No financing is requird. The risk of system obsolescence is shifted to the lessor
B. the flexibility of modifying the system at will
C. Insurances, maintenance, and other expenses are included in the rental charge
D. All of the above
Answer» C. Insurances, maintenance, and other expenses are included in the rental charge
56.

The Turnaround is

A. the elapsed time between the receipt of the input and the availability of the output
B. a group of related fields
C. the key information of programming
D. a program statement that violates one or more rules of the language in which it is written
Answer» B. a group of related fields
57.

A Decision table

A. represents the information flow
B. documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
C. gets an accurate picture of the system
D. shows the decision paths
Answer» C. gets an accurate picture of the system
58.

A menu-driven system

A. can be used only by computer professionals
B. is required only for on-line systems
C. increases the operator's work
D. presents options and allows the user to make selections
Answer» E.
59.

A self check digit is useful in detecting

A. transcription errors only
B. transposition errors only
C. Random errors only
D. All of the above
Answer» E.
60.

The first items defined for a new system are its :

A. inputs
B. outputs
C. storage
D. processing
Answer» C. storage
61.

In Data structure, main characteristic of "ring" is :

A. last, record points to the first record
B. first record points only to the last record
C. many records point to one record
D. All of the above
Answer» B. first record points only to the last record
62.

To avoid errors in transcription and transposition, during data entry, the System Analyst should

A. provide for a check digit
B. provide for a hash totals
C. provide batch totals
D. All of the above
Answer» E.
63.

System Specifications are used to

A. describe system flows
B. get an accurate picture of the system
C. avoids ambiguity
D. Ail of the above
Answer» E.
64.

A consideration evaluated by management when planning to convert to a computer system is

A. available software
B. vender maintenance
C. CPU size and speed
D. All of the above
Answer» E.
65.

A programmer would most likely prepare a

A. general system flowchart
B. specific system flowchart
C. general program flowchart
D. specific program flowchart
Answer» E.
66.

Difference between Decision - Tables and Decision Trees is (are):

A. value to end user
B. form of representation
C. one shows the logic while other shows the process
D. All of the above
Answer» C. one shows the logic while other shows the process
67.

Which of the following activities, does not belong to the Implementation phase of the SDLC?

A. File conversion
B. Program testing
C. User training
D. All of the above
Answer» C. User training
68.

The reservation system of Indian railways is an example of

A. transaction processing system
B. Interactive decision support system
C. management controls system
D. expert system
Answer» B. Interactive decision support system
69.

The term Parallel Run refers to

A. the same job run on two different computer to test their speeds
B. the processing of two different jobs initiated from two terminals.
C. the concurrent operation of an existing system and a new system
D. All of the above
Answer» D. All of the above
70.

The strategy for eliciting information regarding the user's requirements is (are)

A. asking questions
B. obtaining information from the present system
C. prototyping
D. All of the above
Answer» E.
71.

In data-flow diagrams, an originator or receiver of the data is usually designated by

A. a circle
B. an arrow
C. a square box
D. a rectangle
Answer» D. a rectangle
72.

When desk-checking an algorithm, you should set up a table that contains _____.

A. One column for each input item
B. One column for each output item
C. One column for each processing item
D. Both a and b
Answer» E.
73.

Which of the following is not a characteristic of a system

A. operates for some purpose
B. has homogeneous components
C. has interacting components
D. operates within a boundary
Answer» C. has interacting components
74.

The first step to the system study project is to

A. define system performance criteria
B. describe information needs
C. staff for the study project
D. announce the study project
Answer» E.
75.

The four icons used in building Data Flow Diagram are

A. Flow, Source, Store, Process
B. Flow, Process, Source, Store
C. Flow, Process, Source/Destination, Store
D. Source, Process, Destination, Store
Answer» D. Source, Process, Destination, Store
76.

Which of the following is used to derive the address, of a record from the record key

A. comma
B. hashing
C. variable
D. field
Answer» C. variable
77.

The structure chart is

A. a document of what has to be accomplished
B. a statement of information processing requirement
C. a hierarchical partitioning of the program
D. All of the above
Answer» D. All of the above
78.

Which of the following' is NOT a characteristic of good test data?

A. should be comprehensive
B. users do not participate at this preliminary stage
C. every statement should be executed
D. expected output from the module's execution should be determined manually
Answer» C. every statement should be executed
79.

Most algorithms follow the format of

A. Entering the input items, then displaying the input items, and then processing the output items
B. Entering the input items, then processing the output items, and then displaying the output items
C. Entering the input items, then processing the input items, and then displaying the output items
D. Entering the output items, then displaying the output items, and then processing the output items
Answer» D. Entering the output items, then displaying the output items, and then processing the output items
80.

In the system concepts, term organization

A. implies structure and order
B. refers to the mannar in which each component functions with other components of the system.
C. means that parts of the computer system depend on one the another.
D. refers to the holism of systems
Answer» B. refers to the mannar in which each component functions with other components of the system.
81.

Checking the quality of software in both simulated and line environments, is known as

A. checking
B. usability
C. validity
D. validation
Answer» E.
82.

The data base be prepared until

A. the computer has been selected
B. the MIS staff has been acquired and organized
C. the preparation of physical facilities
D. All of the above
Answer» B. the MIS staff has been acquired and organized
83.

The main purpose of the system investigation phase is to produce

A. a design report
B. a requirement report
C. a feasibility report
D. All of the above
Answer» D. All of the above
84.

The feasibilities studied in preliminary investigation is (are):

A. technical feasibility
B. economic feasibility
C. operational feasibility
D. All of the above
Answer» E.
85.

Any data that are entered into the computer, for the first time, will go through the process of

A. System testing
B. Sequential testing
C. String testing
D. Validation
Answer» E.
86.

The data stored on a tape or disk file may be recorded in a report form described as

A. a soft copy ledger
B. printer spacing from
C. proof listing
D. All of the above
Answer» D. All of the above
87.

Which of the following affects the extent to which you are involved with the system development life cycle in your company?

A. your job description
B. size of the organization
C. your relevant experience
D. All of the above
Answer» E.
88.

Programmers refer to the items needed to reach a problem's goal as the _____

A. Input
B. Out put
C. Processing
D. Purpose
Answer» B. Out put
89.

A checksum digit is used for detecting Errors in

A. Data transmission
B. Arithmetic operations
C. Logical operations
D. All of the above
Answer» B. Arithmetic operations
90.

Sequential or series 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
Answer» D. testing changes made in an existing or a new program
91.

Which of the following is a graphic representation of the modules in the System and the interconnection between them

A. Pie chart
B. Flow chart
C. Structural chart
D. System chart
Answer» D. System chart
92.

Coding and testing are done In a

A. top-down manner
B. bottom-up manner
C. ad hoc manner
D. cross sectional manner
Answer» B. bottom-up manner
93.

Which of the following is done in order a data in phase 1 of the system development life cycle?

A. reviewing policies and procedures
B. conducting interviews
C. using questionnaires to conduct surveys.
D. All of the above
Answer» E.
94.

Structured programming involves

A. functional modularization
B. decentralization of program activity
C. localization of errors
D. centralized processing
Answer» B. decentralization of program activity
95.

Sequential organization

A. means storing records in contiguous blocks according to a key.
B. Stores records sequentially but uses an index to locate records
C. uses an index for each key type
D. has records placed randomly throughout the file
Answer» B. Stores records sequentially but uses an index to locate records
96.

A system analyst designs a new system by

A. identifying sub systems and the interfaces between sub systems
B. adopting a developed system to the present environment
C. developing the system as a large, single unit
D. propose alternatives to the current system
Answer» B. adopting a developed system to the present environment
97.

Which of the following tools is not used for process descriptions?

A. pseudocodes
B. decision tables
C. structured english
D. data dictionaries
Answer» E.
98.

Reverse video is a technique of

A. showing data with half brightness
B. showing data upside down on the screen
C. hiding confidential data on the screen
D. emphasizing data by reversing the foreground and background
Answer» E.
99.

Which of the following way(s) the information system and capability are related to each other:

A. improved processing speed
B. increased volume of activities
C. faster retrieval of information
D. All of the above
Answer» E.
100.

The current trend, of computer usage is mainly interactive; the trend, earlier, was

A. batch processing
B. parallel processing
C. random processing
D. multi-task processing
Answer» B. parallel processing