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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 3
31.
A nibble corresponds to
2 successive bits of data
4 successive bits of data
8 successive bits of data
16 successive bits of data
Answer: Option
Explanation:

Nibble has 4 bits.

32.
Consider the following statements
  1. An assembler is a program having assembly language program as input and machine language program as output.
  2. A macro assembler is an assembler with additional macro facilities.
  3. A cross assembler for a μP X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.
  4. Assemblers generally do not provide macro facilities.
Of the above statement
All are correct
only 1, 2, 3 are correct
only 1, 2, 4 are correct
only 1, 3, 4 are correct
Answer: Option
Explanation:

Assemblers do provide macro facilities.

33.
A computer window has a bar at its top to bear the name of window. This bar is called
title bar
status bar
menu bar
control bar
Answer: Option
Explanation:

It is called 'title bar'.

34.
Read the following statements about files in Pascal
  1. A file can grow or shrink dynamically.
  2. A file which consists of only characters is called text file.
  3. Text files may be read and written using standard Pascal READ and WRITE procedures.
  4. Every file must have a beginning but may or may not have an end.
Which of the above are correct?
All
1, 2, 3 only
2, 3, 4 only
1, 2 and 4 only
Answer: Option
Explanation:

Only 1, 2, 3 are correct and 4 is wrong.

35.
If word length is 16 bits the decimal equivalent of largest number which can be stored is
32767
32766
16383
16384
Answer: Option
Explanation:

Complete real number has all the three, i.e., sign, integer part and fraction part.

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