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What is BIOS. Explain the functions of BIOS

What is BIOS? Explain the functions of BIOS

BIOS stands for Basic Input/output System, the BIOS (pronounced bye-oss) is a ROM chip located on all motherboards that allows you to access and set up your computer system at the most basic level.

 

It is also known as CMOS stands for complementary metal-oxide semiconductor. It stores configuration information of computer.

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Abubakar
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STA301 Exam Paper Pattern

STA301 Statistics and Probability

Exam/Paper Pattern Guidelines:

  • The final term is consisting of before and after midterm chapters.
  • Before mid term portion consist of chapters: 1-22
  • After midterm portion consist of chapters: 23-40 (Last five chapters will NOT be included in exams)
  • In final, 70-75% question will come from “after midterm portion” and remaining, 25-30% questions will be from “before midterm portion”
  • Budgeted/Allocated time (given below) is for your planning purpose only. You can use/adjust time on each question as you wish.

Midterm Paper: (Total time = 60 minutes)

Objective Type:

  • MCQs: There will be 20 questions, each having 1 mark. Budgeted/Allocated time is ONE minute for each question. (20 minutes)

Subjective Type:

  • 2 Marks: There will be 2 questions, each having 2 marks. Budgeted/Allocated time is FOUR minutes for each question. (8 minutes)
  • 3 Marks: There will be 2 questions, each having 3 marks. Budgeted/Allocated time is SIX minutes for each question. (12 minutes)
  • 5 Marks: There will be 2 questions, each having 5 marks. Budgeted/Allocated time is TEN minutes for each question. (20 minutes)

Final Term: (Total time = 120 minutes)

Objective Type:

  • MCQs: There will be 40 questions, each having 1 mark. Budgeted/Allocated time is one minute for each question. (40 minutes)

Subjective Type:

  • 2 Marks: There will be 4 questions, each having 2 marks. Budgeted/Allocated time is FOUR minutes for each question. (16 minutes)
  • 3 Marks: There will be 4 questions, each having 3 marks. Budgeted/Allocated time is SIX minutes for each question. (24 minutes)
  • 5 Marks: There will be 4 questions, each having 5 marks. Budgeted/Allocated time is TEN minutes for each question. (40 minutes)
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Find mode through median and mean

Mean =7 Median =10 mode?

Mode can be calculate by empirical relation.

Mode = 3 (Mdeian)-2 (Mean)

Median = 10, Mean = 7

Mode = 3 (10) -2 (7)

Mode = 16

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CS402 what is TG

In FA, there is always one start state but in TG, there can be one or more start states.  In FA, there must be one transition for every letter on every state and each transition is labelled by single letter. It means that after reading a letter, an FA can move from one state to another. But in TG, we can also use a letter as well as a sub-string as a label of a transition and by reading that sub-string, it can move from one state to another state.

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