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.

101.

The system study project includes

A. system analysis
B. system design
C. implementation
D. both (a) and (b)
Answer» E.
102.

Procedure development occurs within the

A. structured design phase
B. conversion phase
C. system building phase
D. maintenance
Answer» D. maintenance
103.

The systems have been classified in different ways

A. physical or abstract
B. open or closed
C. man-made information system
D. All of the above
Answer» E.
104.

A programmer reviews the accuracy of an algorithm by _____ it.

A. Analyzing
B. Coding
C. Desk-checking
D. Planning
Answer» D. Planning
105.

Some firms have created a combination position called

A. manager / analyst
B. programmer / operator
C. analyst / programmer
D. manager / operator
Answer» D. manager / operator
106.

Which of the following is not an advantage of the structured approach to system development?

A. it focuses on the physical aspects of the system
B. the system specification is very graphic
C. the user area is studied thoroughly
D. the documentation is Cumulative
Answer» B. the system specification is very graphic
107.

During system study, data can be collected through

A. questionnaires
B. interviews
C. on-site observations
D. All of the above
Answer» E.
108.

Programmers use _____ to organize and summarize the results of their problem analysis.

A. Flowcharts
B. Input charts
C. IPO charts
D. Output charts
Answer» D. Output charts
109.

The "big picture" diagram of a system is the

A. block diagram
B. logic diagram
C. system flowchart
D. program flowchart
Answer» D. program flowchart
110.

Announcement of MIS implementation is made by

A. operational level managers
B. tactical level managers
C. the president
D. All of the above
Answer» E.
111.

Which of the following would not be a major deliverable of the structured systems analysis phase.

A. data dictionaries
B. data flow diagrams
C. entity relationship diagrams
D. prototype model
Answer» E.
112.

The calculation instructions in an algorithm should state _____.

A. Only what is to be calculated
B. Only how to calculate something
C. Both what is to be calculated and how to calculate it
D. Both what is to be calculated and why is it calculated
Answer» D. Both what is to be calculated and why is it calculated
113.

Which of the following statements is not true

A. Entity Relationship Diagrams are used to design files
B. Systems Overview can be prescribed by Data Flow Diagrams
C. Phases, in a Systems life cycle, are fixed and invariant.
D. Indexed files are faster than sequential files in all situations
Answer» E.
114.

A _____ is software that is designed for drawing diagrams of information systems, writing process specifications, and maintaining data dictionaries.

A. System Development Life Cycle
B. CASE tool
C. Phased Conversion
D. Success factors
Answer» C. Phased Conversion
115.

The term used to refer to the checking of outputs of a computer, with the corresponding input documents, is called

A. auditing around the computer
B. auditing through the computer
C. process control
D. beta-test
Answer» B. auditing through the computer
116.

A turnkey package includes

A. software
B. hardware
C. training
D. All of the above
Answer» E.
117.

Which of the following is not considered a tool at the system Design phase?

A. Data-Flow Diagram
B. Decision Table
C. Pie chart
D. System Flowchart
Answer» D. System Flowchart
118.

The communication problem involves the

A. analyst and the programmer
B. manager and the analyst
C. programmer and the computer
D. operate and the computer
Answer» C. programmer and the computer
119.

A square symbols

A. defines a source or destination of system data
B. identifies data flow
C. represents a process that transforms incoming data flow(s) into outgoing data flows
D. is a data store-data at rest, or a temporary repository of data
Answer» B. identifies data flow
120.

Branch mark programs are best characterized as

A. Simulator programs
B. Hallmarking
C. Actual system programs
D. Vendor software for applications
Answer» C. Actual system programs
121.

A data flow diagram is

A. the modern version of flowchart
B. mainly used at the systems specification stage.
C. the primary output of the systems design phase
D. All of the above
Answer» C. the primary output of the systems design phase
122.

During what phase, the requirement analysis is performed?

A. system design phase
B. system development phase
C. system analysis phase
D. system investigation phase
Answer» D. system investigation phase
123.

Which of the following statements is true

A. as parallel run involves two different terminals accessing a common database
B. computers are essential for systems Analysis
C. Flow of information in an organization is always vertical
D. alpha testing is the verification process a system goes through for the first time
Answer» E.
124.

All of the following tools are used for process descriptions except:

A. structured english
B. decision tables
C. pseudocode
D. data dictionaries
Answer» E.
125.

Which of the following decides which systems development projects to work on first ?

A. data diagram
B. project dictionary
C. systems flowcharts
D. steering committee
Answer» B. project dictionary
126.

An open rectangle

A. defines a source or destination of system data
B. identifies data flow
C. represents a process that transforms incoming data flow(s) into outgoing data flows
D. is a data store-data at rest, or a temporary repository of data
Answer» E.
127.

Where one has to process all the data records in a file, the best tile organization is

A. Indexed
B. sequential
C. direct access
D. random access
Answer» C. direct access
128.

The model base cannot 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. both (a) and (b)
Answer» E.
129.

The black box concept is based on the assumption(s) that;

A. the suprasystem is stable
B. black boxes are dependent or environments
C. the relationship between the inputs and output is stable
D. All of the above
Answer» D. All of the above
130.

The black-box concept:

A. is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
B. assumes that the black box is independent
C. assumes that inputs and outputs will remain stable
D. All of the above
Answer» E.
131.

The imitation of a systems investigation may result from:

A. a manager's formal request
B. a scheduled system's review
C. an analyst's investigation
D. All of the above
Answer» E.
132.

During the system study, analysts determine manager's information needs by

A. conducting tours of a nearby computer center
B. asking questions
C. showing samples of computer reports
D. teaching short courses in programming languages
Answer» C. showing samples of computer reports
133.

The conditions immediately outside a system is called

A. The boundary
B. The interface
C. The environment
D. The protocols
Answer» D. The protocols
134.

Data dictionary contains detail of

A. data structures
B. data flows
C. data stores
D. All of the above
Answer» E.
135.

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

A. maintenance
B. available software
C. CPU sized speed
D. All of the above
Answer» E.
136.

A system investigation may result from

A. an analysis investigation
B. a scheduled systems reviewed
C. a manager's formal request
D. All of the above
Answer» E.
137.

Cost-Benefit analysis

A. evaluates the tangible and non-tangible factors
B. compares the cost, with the benefits, of introducing a computer-based system
C. estimates the hardware and software costs
D. All of the above
Answer» E.
138.

You record the algorithm in the _____ column of the IPO chart.

A. Input
B. Output
C. Processing
D. Purpose
Answer» D. Purpose
139.

The approach used in top-down analysis and and design is

A. to prepare flowcharts after programming has been completed
B. to identify a top level function and then create a hierarchy of lower level modules and components
C. to identify the top level functions by combining many smaller components into a single entity.
D. All of the above
Answer» C. to identify the top level functions by combining many smaller components into a single entity.
140.

Which of the following is a function of the process step of data processing?

A. protect
B. index
C. retrieval
D. update
Answer» D. update
141.

A feasibility document should contain all of the following except:

A. project name
B. problem descriptions
C. feasible alternative
D. data-flow diagrams
Answer» C. feasible alternative
142.

The background and experience of analyst include;

A. a background in systems theory and organization behavior
B. familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model building, and production control.
C. competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.
D. All of the above
Answer» E.
143.

The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a

A. pilot conversion
B. crash conversion
C. phased conversion
D. parallel run
Answer» C. phased conversion
144.

Structured design produces computer programs that are

A. easily
B. maintained
C. easily understood
D. both (a) and (b)
Answer» E.
145.

_____ use standardized symbols to represent an algorithm.

A. Flowcharts
B. Flow diagrams
C. IPO charts
D. Pseudocharts
Answer» B. Flow diagrams
146.

Inverted list 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» D. has records placed randomly throughout the file
147.

The first step in the problem-solving process is to _____.

A. Plan the algorithm
B. Analyze the problem
C. Desk-check the algorithm
D. Evaluate and modify (if necessary) the program
Answer» C. Desk-check the algorithm
148.

The structure chart is:

A. a document of what has to be accomplished
B. a hierarchical partitioning of the program
C. a statement of information-processing requirements
D. All of the above
Answer» C. a statement of information-processing requirements
149.

A statement - by - statement description of a procedure is detailed in a;

A. written narrative
B. procedure's log
C. systems flowchart
D. record layout
Answer» B. procedure's log
150.

Programmers refer to the goal of solving a problem as the _____.

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