As you have asked about the Hindustan Aeronautics Limited Management trainee papaers for computer science, I am giving you information regarding that,
1. A computer derives its basic strength from
(a) speed
(b) accuracy
(c) memoy
(d) all of the above (Ans)
(e) None of the above.
2. Modern computers compared to earlier computers are
(a) faster and larger
(b) less relible
(c) larger and stronger
(d) slower but more reliable
(e) faster and smaller (Ans)
3. The use of computer for business applications is attractive because of its
(a) accuracy
(b) reliability
(c) speed
(d) secret code facility
(e) All of the above (Ans)
4. A computer is capable of performing almost any task, provided that it can be
(a) coded
(b) memorized
(c) analyzed
(d) reduced to a series of logical steps (Ans)
(e) changed top mathematics equation
5. A BIT represents a
(a) decimal digit
(b) octal digit
(c) binary digit (Ans)
(d) hexa decimal digit
6. A computer has very high speed, accuracy and reliability. Its intelligence quotient could be of the order of
(a) 100
(b) 0 (Ans)
(c) 50
(d) 200
(e) 99.99
7. Computer can not do anything without a
(a) chip
(b) memory
(c) output device
(d) program (Ans)
(e) None of the above
8. A computer possesses information
(a) as directed by the operator
(b) automatically (Ans)
(c) at once
(d) gradually and eventually
(e) by truncating
9. Pick up the false statement
a) comuter can manipulate both numeric and non-numeric symbols
(b) computer errors can usually be traced to faulty programs or inaccurate input data
(c) the facts or informational raw materials represented by numeric and non-numeric symbols are called information (Ans)
(d) the space in the primary storage section is divided into four areas: input, working, storage, output and program storage.
(e) Information is the relevant knowledge that results from the processing and arranging of data in an ordered and useful form.
10. Processors of all computers, whether micro, mini or mainframe must have
(a) ALU
(b) primary storage
(c) control Unit
(d) all of the above (Ans)
(e) None of the above.
11. Pick up the correct statement about computers
(a) computers process data with human intervention after the program has been fed
(b) all cmparisons are made in the control section
(c) the arithmetic-logic section of the CPU selects, interprets and executes the program steps.
(d) the secondary storage devices are usually connected on line to the CPU but for accepting data from them or returning data to them, human intervention is required
(e) computers have the built-in ability to obey different types of instructions. (Ans)



12. Real time computing is possible because of the following characteristic of computer

(a) storage capability

(b) high speed (Ans)

(c) accuracy

(d) versatility

(e) automatic in execution



13. Pick out the wrong statement about modern computer systems

(a) these are simple and easy to take care of

(b) even beginners, untrained persons can safely handle them (Ans)

(c) they require a highly disciplined approach

(d) it is important to understand the proper overall procedures must be followed

(e) the negligent use of a computer system will almost always introduce time bombs into the system.



14. A collection of eight bits is called:

(a) byte (Ans)

(b) word

(c) record

(d) file

(e) None of the above



15. Choose the incorrect statement about micro computers, mini-computers, etc.

(a) a microcomputer can be placed on a single silicon chip

(b) a minicomputer can have more processing capability than a mainframe model

(c) a microcomputer chip performs the arithmetic-logic and control functions of a microcomputer

(d) ROM chips may be used in micros ;to permanently store program instruction

(e) most micros use rigid disk storage devices rather than floppy disk drives. (Ans)



16. Control Unit of a digital computer is often called the

(a) lock

(b) nerve center (Ans)

(c) ICs

(d) all of the above

(e) None of the above



17. Pick up the correct statement

(a) most mainframes are 48-bit machines

(b) thousands of super computers are currently being built

(c) super-computers are usually designed to process accounting applications

(d) mainframes may have multi-processor components that permit several tasks to be processed at the same instant in time (Ans)

(e) minicomputers can not use high speed buffer storage components and are thus always slower than mainframe models.



18. The following acronym recognizes the fact that "computer errors" can usually be traced to incorrect input data or unreliable programs

(a) IGO (Ans)

(b) FIFO

(c) LIFO

(d) DASD

(e) ROM



19. Group of instructions that directs a computer is called

(a) storage

(b) memory (Ans)

(c) logic

(d) program

(e) None of the above



20. Which of the following does not describe one or more characteristics of a computer?

(a) electronic

(b) external storage

(c) stored program

(d) program modification at execution (Ans)

(e) All of the above are characteristics.