System Analysis and Design

281. Serial numbers used as codes are

  1. concise
  2. meaningful
  3. expandable
  4. comprehensive
  1. i and ii
  2. ii and iii
  3. ii and iv
  4. i and iii
Correct answer: (D)
i and iii

282. A modulus-11 check digit will detect

  1. single transcription errors
  2. single transposition errors
  3. multiple digit transcription errors
  4. and correct a single error
  1. i and iii
  2. i and iv
  3. i and ii
  4. iii and iv
Correct answer: (C)
i and ii

283. For modulus-11 check digit to detect single transposition or single transcription error the number of digits in the codes should not exceed

  1. 9
  2. 10
  3. 11
  4. 99
Correct answer: (B)
10

284. If a field is known to represent days of a month, radix used to check should be

  1. 30
  2. 31
  3. 28
  4. 29
Correct answer: (B)
31

285. A data element in a data dictionary may have

  1. only integer value
  2. no value
  3. only real value
  4. only decimal value
Correct answer: (B)
no value

286. In interactive data input a template is normally used to

  1. enter new data
  2. add/delete data
  3. select one out of many alternatives often by a mouse click
  4. detect errors in data input
Correct answer: (A)
enter new data

287. A concise code is necessarily

  1. precise
  2. meaningful
  3. comprehensive
  4. difficult
Correct answer: (A)
precise

288. A modulus-17 check will detect single transcription errors in

  1. alphanumeric codes
  2. hexadecimal codes
  3. decimal numerical codes
  4. serial number codes
Correct answer: (B)
hexadecimal codes

289. An appropriate range check for marks in an examination paper whose maximum marks 100 is

  1. 100
  2. 0 to 100
  3. - 99 to +99
  4. 99
Correct answer: (B)
0 to 100

290. An appropriate range check of age of a tenth standard student in a high school is

  1. 5 to 15
  2. 10 to 25
  3. 8 to 20
  4. 3 to 18
Correct answer: (C)
8 to 20
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