Tag: technology

Questions Related to technology

All of the following statements concerning files are true EXCEPT:
technology

  1. A file is a collection of related pieces of information stored together for easy reference.

  2. Files can be generated from an application.

  3. Files are stored in RAM.

  4. Files should be organized in folders.

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Correct Option: C

Select length(-1) from dual What is the output of the above sql stmt
technology databases

  1. 2

  2. 1

  3. 0

  4. error

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Correct Option: A

Which of the following does NOT occur during the power-on self-test (POST)?
technology

  1. The ScanDisk utility begins to run.

  2. The video card and video memory are tested.

  3. The BIOS identification process occurs

  4. Memory chips are checked to ensure they are working properly.

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Correct Option: A

The memory resident portion of the operating system is called the:
technology

  1. registry

  2. API

  3. CMOS

  4. kernel

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Correct Option: D

The standard EMP table contains 14 records corresponding to the employess of the corporation.One of those records has a NULL value stored in the MGR column.If Issue the following command on the table: select count(mgr) from emp; What is the count?
technology databases

  1. 14

  2. >14

  3. error

  4. <14

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Correct Option: D

Ensuring that the essential peripheral devices are attached and operational is the ____________ process.
technology

  1. configuration

  2. CMOS

  3. POST

  4. ROM

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Correct Option: C

You can declare this only by using table contraint syntax
technology databases

  1. Composite primarykey

  2. Not null

  3. unique

  4. check

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Correct Option: A

The basic input/output system (BIOS) is stored in:
technology

  1. RAM

  2. ROM

  3. the CPU

  4. the hard drive

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Correct Option: B

The combination of the operating system and the processor is referred to as the computer’s:
technology

  1. CPU.

  2. platform

  3. BIOS

  4. CMOS

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Correct Option: B

The definition of thrashing is:
technology

  1. swapping data between virtual memory and RAM too frequently.

  2. insufficient hard disk space.

  3. too many processors being managed by the operating system.

  4. inaccurate information stored in the registry.

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Correct Option: A