Author name: Admin

117. An advantage of blocking a tape is that

A. additional processing time is consumed
B. the direct file method can be emulated
C. tapes contain less data and longer tapes
D. less tape is used to store the same amount of data
✅ The correct answer is option D.

123. In a punched card system, data is processed by a

A. keypunch machine, sorter, and posting machine
B. accounting machine, posting machine, and billing machine
C. sorter, posting machine, and billing machine
D. accounting machine, keypunch machine, and sorter
✅ The correct answer is option D.

125. Super-computers

A. Are found at thousands of sites around the world
B. Can now fit on a single silicon chip
C. Are usually designed to process accounting applications
D. Are not fast enough for some applications
✅ The correct answer is option D.

139. Ethernet uses

A. Bus topology
B. Ring topology
C. Star topology
D. Tree topology
✅ The correct answer is option A.

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