Related Questions

Sequential retrieval on a primary key for sequential file storage has which of the following features?
A Very fast
B Moderately fast
C Slow
D Impractical
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
A 0.8 d
B 1.2 d
C 1.57 d
D 1.8 d
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A 81
B 81.5
C 82
D 84.5
General knowledge and aptitude test(Q.51-80) Match list 1 with list 2 and select the most appropriate answer. List 1(place) Barisal-Rajshahi-Sylhet. List 2 (Specially)
A Boat-Road-Rail
B River-Mango-Building
C River-Border-Border
D Hilsa-Mango-Orange
All legislative subject are mentioned in three lists union list, concurrent list and state list. Any subject is not mentioned in all three list, the law on that particular subject can be framed by-
A Parliament only
B State Legislature only
C 1 and 2
D Neither 1 nor 2
Which of the following is not the value the key property will hold if the key is a function key?
A F8
B F2
C F9
D Left
When assigning a shortcut key to a symbol, you should always try to select a key or key combination that is:
A Unassigned
B Located on the ten-key pad section of your keyboard.
C Assigned to another task.
D From the same font family as the symbol.
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as
A sunk key
B flat saddle key
C hollow saddle key
D tangent key
Within a database, the sequential organization of data by a common key is called:
A logical structure
B inverted structure
C simple structure
D All of the above
E None of the above

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