Computer interview questions – page 32

Which of the following is not a characteristic of good test data?

1. Expected output from the modules execution should be determined manually
2. Every statement should be executed
3. It should be comprehensive
4. Users do not participate at this preliminary stage

An open rectangle

1. Is a data store-data at rest, or a temporary repository of data
2. Represents a process that transforms incoming data flow (s) into outgoing data flows
3. Identifies data flow
4. Defines a source or destination of system data

The term parallel Run refers to

1. Concurrent operation of an existing system and a new system
2. Processing of two different jobs initiated from two terminals
3. The same job run on two different computers to test their speeds
4. All of these

A system design is said to be functionally modular if

1. The system makes extensive use of function keys for maximum user assistance
2. The system is developed using structured programming through COBOL or PASCAL
3. The system is able to handle all the function of the application
4. Each module performs a specific function and can be developed relatively independently by programmers

Cray-11 is a

1. Super computer
2. Main frame computer
3. Mini computer
4. Micro computer

Which generation of computers is converted by the period 1964-77?

1. First
2. Second
3. Third
4. Fourth

Cray-11 holds

1. 16 bits of information
2. 32 bits of information
3. 64 bits of information
4. 148 bits of information

Father of punched card processing was

1. Blasé pascal
2. Charles Babbage
3. Dr. Herman Hollerith
4. J. perspire Eckert

In which year was the first analog computer built by an American named vinegar Bush?

1. 1920
2. 1930
3. 1940
4. 1950

Memory, also called random access memory, or RAM,_____

1. Allots data, programs, commands, and user responses to be entered into a computer
2. Consists of electronic components that store data
3. Contains the electronic circuits that cause processing to Occur
4. Makes the information resulting from processing available for use

Tracing, of any input record or process, performed on a system, back to its original source, is a/an

1. Report generation
2. Conversion
3. Batch processing
4. Audit trial

An audit trial is

1. A data item that characterizes an object
2. A feature of data processing systems that allows for the study of data as processed from step to step, and auditor can then trace all transactions that affect an account
3. Two or more data items handled as a unit
4. All of these

Acceptance testing is

1. Testing changes made in an existing or a new program
2. Is checking the logic of one or more programs in the candidate systems
3. Making sure that the new programs do in fact process certain transactions according to specifications
4. Running the system with line data by the actual user

Problem analysis is done during

1. Before system test
2. System design phase
3. Systems analysis phase
4. All of these

Which of the followings semiconductor memories is considered fast?

1. CMOS
2. Dynamic MOS
3. Static MOS
4. ECL

Malicious access are unauthorized

1. Destruction of data
2. Modification of data
3. Reading of data
4. All of these

Encrypted passwords are used for

1. Security purpose
2. Passwords list secret
3. Faster execution
4. Both (a) and (b)

A firewall

1. Separates a network into multiple domains
2. May need to allow http to pass
3. Limits network access between the two security domains and maintains and logs all connections
4. is a computer or router that sits between the trusted and untrusted

Link encryption

1. Is used only to detect errors
2. Cannot be used in a large network
3. Is less secure than end-to-end encryption
4. Is more secure than end-to-end encryption

A high paging rate

1. Always creates a slow system
2. Is a symptom of too much processor activity
3. Keeps the system running well
4. May also cause a high I/O rate

Using computer to help engineers evaluate products and processes are called

1. Collaborative manufacturing networks
2. Computer aided design
3. Computer-aided engineering
4. Process control

A collection of mathematical models and analytical techniques. The best fit will be

1. Reporting alternatives
2. Decision support systems
3. Decision support versus management reporting
4. Model base

In the system concepts the term interdependence

1. Refers to the holism of systems
2. Means that parts of the computer system depend on one another
3. Refers to the manner in which each component functions with other components of the system
4. Implies structure and order

System prototyping helps the designer in

1. Giving demonstration of the software to the system manager
2. Making programmers understand how the system will work
3. Communicating to the user, quickly how the system, when developed, will look like and get a feedback
4. All of these

Serve as consultants to end users. The best will be

1. Expert systems
2. Knowledge management system
3. Business information systems
4. Integrated information systems

Managers who are potential users of the MIS

1. Select the optimum equipment configurations
2. Evaluate alternative equipment configurations
3. Evaluate alternative equipment configurations
4. Describe information needs

The advantage of using prewritten software packages is

1. Eliminates program testing
2. Eliminates writing program
3. Save time and cost
4. All of these

A data flow diagram is

1. Primary output of the systems design phase
2. Modern version of the flowchart
3. Mainly used at the systems specification stage
4. All of these

For accessing a structure element using a pointer, which of the following must be used?

1. Arrow operator (→)
2. Separate the codes code from the constant
3. Delimit a section of
4. Show what code goes in a particular function

Variable that ate both alive and active throughout the entire program are called

1. Automatic variables
2. Global variables
3. Private variables
4. Local variables