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Indian Air Force Engineering Knowledge Test (EKT) Question Papers 2010

Indian Air Force Engineering Knowledge Test (EKT) Question Papers 2010


1. A logic gate is an electronic circuit which
(A) makes logic decision
(B) allows electron flow only in one direction
(C) works on binary algebra
(D) alternates between 0 and 1 values

2. NAND and NOR gates are called ‘universal’ gates primarily because they
(A) are available everywhere
(B) are widely used in IC packages
(C) can be combined to produce AND, OR and NOT gates
(D) are the easiest to manufacture

3. The ascending order of a data hierarchy is:
(A) bit-byte-record-field-file-data base
(B) byte-bit-field-record-file
(C) byte-bit-record-field-file-data base
(D) bit-byte-field-record -file-data base

4. A dumb terminal can do nothing more than communicate data to and from a CPU of a computer. How does a ‘smart’ terminal differ from dumb terminal
(A) it has a primary memory
(B) it has a cache memory
(C) it has a micro processor
(D) it has an input device

5. The main distinguishing features of fifth generation digital computer will be
(A) liberal use of micro processors
(B) artificial intelligence
(C) extremely low cost
(D) versatility

6. Which of the following terms is not used to refer to the recording density of a disk
(A) mega-density (B) single-density
(C) double-density (D) quad-density

7. The two kinds of main memory are
(A) primary and secondary
(B) random and sequential
(C) ROM and RAM
(D) central and peripheral

8. Which one of the following is not an octal number
(A) 29 (B) 75 (C) 16 (D) 102

9. Main problem with LCDs is that they are very difficult to read
(A) directly
(B) in bright light
(C) in dull light
(D) both (B) and (C)

10. Both computer instructions and memory addresses are represented by
(A) character codes
(B) binary codes
(C) binary word
(D) parity bit

11. A computer program that converts an entire program into machine language at one time is called a/an
(A) interpreter (B) simulator
(C) compiler (D) commander

12. All the keys on the IBM PC key board repeat as long as we hold them down. Such type of keys are known as
(A) typematic keys
(B) functional keys
(C) automatic keys
(D) alphabetic keys

13. What does the acronym ISDN stands for
(A) Indian Standard Digital Network
(B) Integrated Services Digital Network
(C) Intelligent Service Digital Network
(D) Integrated Services Data Network

14. Two basic types of operating system are
(A) sequential and direct
(B) batch and time sharing
(C) direct and interactive
(D) batch and interactive

15. Which of the following entity does not belong to word processing
(A) characters (B) words
(C) cells (D) paragraphs

16. A schema describes
(A) data elements
(B) records and filer
(C) record relationship
(D) all of the above

17. Which of the following is not a tool used to manage and control schedule performance
(C) CPM (D) Gantt Chart

18. An expert system differs from a data base program in that only an expert system
(A) contains declarative knowledge
(B) contains procedural knowledge
(C) features the retrieval of stored information
(D) experts users to draw own conclusion

19. The virtual memory addressing capability of 80386 is
(A) 4 GB (B) 16 GB
(C) 64 GB (D) 64 TB

20. The 80486 microprocessor from Intel consists of
(A) a fast 32 bit CPU but no coprocessor
(B) a 32 bit CPU and an 80387 coprocessor only
(C) a 32 bit CPU, a 80387 coprocessor and memory management unit (MMU) only
(D) a 32 bit CPU, a 80387 coprocessor, memory management unit and a cache memory



16 Jul, 2020, 19:41:26 PM