DSL Previous Years Solved Sample Placement Papers
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Which of the following devices can be used to directly input printed text:
- a) OCR (Ans)
- b) Mouse
- c) MIC
- d) Joystick
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Which device can draw continuous lines:
- a) daisy wheel
- b) plotter (Ans)
- c) chain printer
- d) impact printer
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In which storage device, recording is done by burning tiny pits on a circular disk:
- a) punched cards
- b) floppy disk
- c) magnetic tape
- d) optical disk (Ans)
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Which of the following printers uses a light beam and electrostatically sensitive black powder:
- a) dot matrix printer
- b) daisy wheel printer
- c) chain printer
- d) laser printer (Ans)
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The primary purpose of an operating system is:
- a) to make the most efficient use of the computer hardware (Ans)
- b) to allow people to use the computer
- c) to keep system programmers employed
- d) to make computers fast
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The operating system manages:
- a) memory
- b) processor
- c) disk and I/O devices
- d) all of the above (Ans)
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Which of the following translator programs converts an assembly language program to an object program:
- a) assembler
- b) compiler (Ans)
- c) macroprocessor
- d) linker
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Scheduling is:
- a) allowing jobs to use the processor (Ans)
- b) unrelated to performance considerations
- c) quite simple to implement, even on large mainframes
- d) the same regardless of the purpose of the system
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Which of the following items is not used in a LAN:
- a) computers
- b) modem (Ans)
- c) printer
- d) cable
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Which device converts computer output into a form that can be transmitted over a telephone line:
- a) teleport
- b) multiplexer
- c) concentrator
- d) modem (Ans)
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What is the commonly used unit for measuring the speed of data transmission:
- a) bytes per second
- b) bits per second
- c) baud
- d) either b or c (Ans)
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A kilobyte, also referred to as KB, is equal to:
- a) 1000 bytes
- b) 1024 bytes (Ans)
- c) 2048 bytes
- d) 512 bytes
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Inputs to your computer are accomplished using the:
- a) Screen
- b) keyboard (Ans)
- c) printer
- d) plotter
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Which of the following is not used as secondary storage:
- a) Semiconductor memory (Ans)
- b) magnetic disks
- c) magnetic drums
- d) magnetic tapes
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A collection of wires that connects several devices is called:
- a) link
- b) bus (Ans)
- c) cable
- d) port
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An offline device is:
- a) a device which is not connected to the CPU (Ans)
- b) a device which is connected to the CPU
- c) a device which is in a breakdown stage
- d) None of these
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Which of the following is the fastest:
- a) CPU (Ans)
- b) magnetic tapes and disks
- c) video terminal
- d) sensors, mechanical controllers
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Memories in which any location can be reached in a fixed and short amount of time after specifying its address are called:
- a) sequential access memory
- b) random access memory (Ans)
- c) secondary memory
- d) mass storage