### Computer Awareness MCQs and Quiz for Banking, IBPS, RRB, RBI, SBI Exams

Computer Awareness MCQs and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2020-2021. Computer Awareness MCQs for Competitive Exams. Gk By Mr. Dj Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.

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Questions :-** 631 In _____ coding, we divide our message into blocks, each of k bits, called ___.

1) block; blockwords

2) linear; datawords

3) block; datawords

4) All the above

5) none of the above

**Questions :-**632 We add r redundant bits to each block to make the length n = k + r. The resulting n-bit blocks are called

_________.

1) datawords

2) blockwords

3) codewords

4) All the above

5) none of the above

**Questions :-**633 The ________ between two words is the number of differences between corresponding bits.

1) Hamming code

2) Hamming distance

3) Hamming rule

4) All the above

5) none of the above

**Questions :-**634 To guarantee the detection of up to 5 errors in all cases, the minimum Hamming distance in a block code must be _______.

1) 5

2) 6

3) 11

4) All the above

5) None of these

**Questions :-**635 To guarantee correction of up to 5 errors in all cases, the minimum Hamming distance in a block code must be ________.

1) 5

2) 6

3) 11

4) All the above

5) none of the above

**Questions :-**636 . ________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.

1) Attenuation

2) Distortion

3) Noise

4) Decibel

5) None of these

**Questions :-**637 ________ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal.

1) Attenuation

2) Distortion

3) Noise

4) Decibel

5) None of these

**Questions :-**638 When propagation speed is multiplied by propagation time, we get the ________.

1) throughput

2) wavelength of the signal

3) distortion factor

4) distance a signal or bit has traveled

5) None of these

**Questions :-**639 Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is ________ that of A.

1) one-half

2) twice

3) the same as

4) indeterminate from

5) None of these

**Questions :-**640 A sine wave is ________.

1) periodic and continuous

2) aperiodic and continuous

3) periodic and discrete

4) aperiodic and discrete

5) None of these