# Freescale written exam

Posted on :10-03-2016

Q1. The 2s complement number of 110010 is

ANS: None of those

Q2. Truth table of a logic function

ANS: Displays all its input output possibilities

Q3. The process of varying one signal according to the pattern provided by another signal is

ANS: Modulation

Q4. The octal equivalent of hexa number 123 is

ANS: 443

Q5. Determine how many times the given loop is executed?

m=3 while (m<18) do {m=m+2;m=m-1}

ANS: 15

Q6. What is the output of the following program?

m=1;a=30;while (m<>1) do {m=m+1;a=a-1;}

Q7. Determine how many times the given loop is executed?

m=1;a=30;while (e*m-5)

ANS: 9

In questions 8 to 12 find the values of a and b at the end of the execution of the program segment:

Q8. What is the output of the following program?

a=2;
b=1;
x=1;
while(x<=4)
do {a=a+b;x=x+1}

ANS: (5,1)

Q9. What is the output of the following program?

a=1;
b=2;x=1
while (x<=5)
do {b=a+b;x=x+1;}

ANS: (1,6)

Q10. What is the output of the following program?

a=0;
b=0;
x=1;
while (x<=4)
{a=a+x;
b=b-x;
x=x+1;}

ANS: (10,-10)

Q11. The complexity of bubble sort is0(a),then k equals

ANS: 2

Q12. In BCD, t he decimal number 516 is

ANS: 10101110

Q13. RS 232 is standards for

ANS: Physical layer

Q14. Which of the following is not true of a DBMS

ANS: Maintain integrity

Q15. The method of access used for obtaining a record from a tape is

ANS: Sequential

Q16. Which of the following is an universal gate

ANS: NOR

Q17. An ASCII text file containing 500 characters will have size approximately

ANS: 500 bytes

Q18. Which of the following is a vector

ANS: force

Q19. The lowest attainable temperature

ANS: 0 k

Q20. Viscosity is most similar to

ANS: friction

Q21. The elapsed time between the submission of the job and getting the output is

ANS: seek time

Q22. The earliest calculating device still in use is

ANS: abacus

Q23. Qunatities used to bring fields to standards size are

ANS: pixels

Q24. The base of a number system is called as

Q25. An 8kb computer will have addresses -----

ANS: 8191

Q26. Arranging data in a specific form is called

ANS: sorting

Q27. A translator which reads an entire programme written in a high level language and converts it into machine language code is

ANS: interpreter

Q28. A data hierarchy in ascending order is

ANS: bit-byte -field-record-file-database

Q29. A computer generated output that lets programmer follow the execution of the program line by line is

Q30. Data items grouped together for storage form a

Q31. The most dangerous aspect of computer viruses is their ability to

ANS: change system memory

Q32. A distributed data processing configuration in which all activities must pass through an centrally located computer is called a

ANS: ring network

Q33. Communication circuit  that transmit data in both directions but not at the same time are operating in

Q34. Which of the following is not an application software

ANS: unix

Q35. For which of the following computer application is real time processing not essential

Q36. A data structure with one to many relationship is a

ANS: tree

Q37. Which of the following hardware components is most important to operation of a database management system

ANS: high speed, large capacity disk

Q38. Computer viruses can spread from one system to another by means of

ANS: all the above

Q39. A front end processor is usually used in

ANS: multi processing

Q40. A radioactive material of mass 16 grms in 10 years due to radiation. How many years will it take for the material to attain a mass f1 gm

ANS: 30

Q41. A block of ice floats on water in a beaker, as the ice melts, the water level in the beaker will

ANS: remain same

Q42. If va, vn, vs are velocities of sound in air, water, and steel then,

ANS: vs>vn>va

Q43. In usual computer arithmetic, the value of the integer expression 22/5*2+8*2/6

ANS: 10

Q44. An acronym for the organisation that publishes programming language standards is

ANS: ANSI

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