DSL Previous Years Solved Sample Placement Papers
-
A typical modern computer uses:
- a) magnetic cores for secondary storage
- b) LSI chips (Ans)
- c) magnetic tape for primary memory
- d) more than 10,000 vacuum tubes
-
A collection of 8 bits is called:
- a) byte (Ans)
- b) record
- c) word
- d) nibble
-
General-purpose computers are those that can be adopted to countless uses simply by changing their:
- a) output device
- b) input device
- c) processor
- d) program (Ans)
-
The current generation of computers:
- a) second
- b) fifth
- c) fourth (Ans)
- d) third
-
Non-volatility is an important advantage of:
- a) CCDs
- b) magnetic tapes and disks
- c) magnetic bubbles
- d) both b and c (Ans)
-
To implement all basic logic functions, it needs:
- a) OR gate
- b) NOT gate
- c) AND and NOT gates (Ans)
- d) None of these
-
In the binary number 110.101, the fractional part has the value:
- a) 0.625 (Ans)
- b) 0.125
- c) 0.875
- d) 0.5
-
The fastest type of memory is:
- a) tape
- b) semiconductor memory (Ans)
- c) disk
- d) bubble memory
-
Which of the following statements is wrong:
- a) magnetic core memory, RAMs, and ROMs have constant access time
- b) magnetic tape is non-volatile
- c) semiconductor memories are used as mass memory medium (Ans)
- d) An EPROM can be programmed, erased, and reprogrammed by the user with an EPROM programming instrument
-
The memory which is programmed at the time it is manufactured is:
- a) ROM (Ans)
- b) RAM
- c) PROM
- d) EPROM
-
Which memory is non-volatile and may be written only once:
- a) RAM
- b) EE-PROM
- c) EPROM
- d) PROM (Ans)
-
In magnetic disks, data is organized on the platter in a concentric set of rings called:
- a) sector
- b) track (Ans)
- c) head
- d) block
-
When we move from the outermost track to the innermost track in a magnetic disk, the density:
- a) increases (Ans)
- b) decreases
- c) remains the same
- d) either remains constant or decreases