Computer Science

Q.76 How many times the following loop be executed
{
…
ch = ‘b’;
while(ch >= ‘a’ && ch <= ‘z’)
ch++; }
(A) 0 (B) 25
(C) 26 (D) 1
Ans B

Q.77 Which of the following is FALSE in C
(A) Keywords can be used as variable names
(B) Variable names can contain a digit
(C) Variable names do not contain a blank space
(D) Capital letters can be used in variable names
Ans A

Q.78 int **ptr; is
(A) Invalid declaration (B) Pointer to pointer
(C) Pointer to integer (D) none of the above
Ans B

Q.79 A Pixel is _____________________.
(A) a computer program that draws picture
(B) a picture stored in secondary memory
(C) the smallest resolvable part of a picture
(D) None of these
Ans C

Q.80 Which number system is usually followed in a typical 32-bit computer?
(A) 2 (B) 10
(C) 16 (D) 32
Ans A

Q.81 Which technology is used in optical disks?
(A) Mechanical (B) Electrical
(C) Electro Magnetic (D) Laser
Ans D

Q.82 Which of the following storage devices can store maximum amount of data?
(A) Floppy Disk (B) Hard Disk
(C) Compact Disk (D) Magneto Optic Disk
Ans B

Q.83 EPROM can be used for
(A) Erasing the contents of ROM
(B) Reconstructing the contents of ROM
(C) Erasing and reconstructing the contents of ROM
(D) Duplicating ROM
Ans C

Q.84 Memory unit is one part of
(A) Input device (B) Control unit
(C) Output device (D) Central Processing Unit
Ans D

Q.85 MS-WORD is a
(A) system software (B) high level language
(C) spread sheet application (D) word processing package
Ans D

Q.86 The grammar dialog box can be involved by choosing grammar from _______ menu.
(A) insert (B) file
(C) tools (D) view
Ans C

Q.87 A template stores
(A) styles, macros
(B) Auto Text entires, Customized word command Settings
(C) graphics, text
(D) All of the above
Ans A

Q.88 To return the remainder after a number is divided by a divisor in EXCEL we use the function
(A) ROUND( ) (B) FACT( )
(C) MOD( ) (D) DIV( )
Ans C

Q.89 ________ unit controls the flow and manipulation of data and information.
(A) Arithmetic logic (B) Central
(C) Middle (D) Control
Ans D

Q.90 Usually, an algorithm will contain a number of procedural steps which are dependent on results
of previous steps and is called _______________.
(A) Flowchart (B) Chart
(C) Drawing Chart (D) Food Chart
Ans A