BPSC Tre 2 Computer Science 11th-12th Solved PYQ
71. The brain of computer is
(A) CPU
(B) memory
(C) I/O device
(D) More than one of the above
(E) None of the above
Answer :- (A) CPU
72. Intel 8085 microprocessor is of _____ generation.
(A) first
(B) second
(C) third
(D) More than one of the above
(E) None of the above
Answer :- (B) second
73. The maximum memory size of third generation microprocessor is
(A) 4 GB
(B) 16 MB
(C) 16 GB
(D) More than one of the above
(E) None of the above
Answer :- (A) 4 GB
74. CPU on a single chip is called
(A) microprocessor
(B) microcontroller
(C) solid-state device
(D) More than one of the above
(E) None of the above
Answer :- (A) microprocessor
75. Computer on a single chip is called
(A) microcontroller
(B) microprocessor
(C) assembler
(D) More than one of the above
(E) None of the above
Answer :- (A) microcontroller
76. Which one of the following is used for playing video games?
(A) Mouse
(B) Trackball
(C) Joystick
(D) More than one of the above
(E) None of the above
Answer :- (D) More than one of the above
77. _____ is used to store softwares that does not update.
(A) SRAM
(B) DRAM
(C) ROM
(D) More than one of the above
(E) None of the above
Answer :- (C) ROM
78. Which of the following contains a laser?
(A) CD Drive
(B) RAM
(C) Hard Disk Drive
(D) More than one of the above
(E) None of the above
Answer :- (A) CD Drive
79. A computer program that converts an assembly language program into equivalent machine language program is called
(A) compiler
(B) assembler
(C) linker
(D) More than one of the above
(E) None of the above
Answer :- (B) assembler
80. A computer program that converts a high-level language program into an equivalent machine language program is called
(A) assembler
(B) compiler
(C) loader
(D) More than one of the above
(E) None of the above
Answer :- (B) compiler
81. A computer program that translates high-level language program into machine language program statement-bystatement is called
(A) compiler
(B) loader
(C) interpreter
(D) More than one of the above
(E) None of the above
Answer :- (C) interpreter
82. Which of the following is not an operating system?
(A) Linux
(B) Windows
(C) Oracle
(D) More than one of the above
(E) None of the above
Answer :- (C) Oracle
83. A software that runs on a computer hardware and serves as a platform for other softwares to run is called
(A) system software
(B) operating system
(C) application software
(D) More than one of the above
(E) None of the above
Answer :- (B) operating system
84. Which of the following is not a system tool?
(A) Scandisk
(B) Format
(C) Folder
(D) More than one of the above
(E) None of the above
Answer :- (C) Folder
85. The key/keys used to delete a file without allowing it to store in recycle bin is/are
(A) Delete
(B) Shift + Delete
(C) Ctrl + Delete
(D) More than one of the above
(E) None of the above
Answer :- (B) Shift + Delete
86. The three main components of a digital computer system are
(A) memory, I/O, DMA
(B) ALU, CPU, memory
(C) memory, CPU, I/O
(D) More than one of the above
(E) None of the above
Answer :- (C) memory, CPU, I/O
87. FFFF will be the last memory location in a memory of size
(A) 16K
(B) 32K
(C) 64K
(D) More than one of the above
(E) None of the above
Answer :- (C) 64K
88. The cost of storing a bit is minimum in
(A) cache
(B) register
(C) magnetic tape
(D) More than one of the above
(E) None of the above
Answer :- (C) magnetic tape
89. Tera means
(A) 2power20
(B) 2power40
(C) 2power30
(D) More than one of the above
(E) None of the above
Answer :- (B) 2power40
90. Which of the following system softwares resides always in main memory?
(A) Loader
(B) Linker
(C) Assembler
(D) More than one of the above
(E) None of the above
Answer :-(A) Loader
91. The postfix expression equivalent of the prefix expression * + - ab cd is
(A) ab cd + – *
(B) abcd + – *
(C) ab cd + * –
(D) More than one of the above
(E) None of the above
Answer :- (A) ab cd + – *
92. Which data structure is used to convert infix notation to postfix notation?
(A) Stack
(B) Queue
(C) Tree
(D) More than one of the above
(E) None of the above
Answer :- (A) Stack
93. The data structure in which data are added at the rear and deleted from front is called
(A) stack
(B) queue
(C) linked list
(D) More than one of the above
(E) None of the above
Answer :- (B) queue
94. Queue data structure uses
(A) FIFO
(B) LIFO
(C) LILO
(D) More than one of the above
(E) None of the above
Answer :- (D) More than one of the above
95. Stack data structure uses
(A) FIFO
(B) LIFO
(C) LILO
(D) More than one of the above
(E) None of the above
Answer :- (B) LIFO
96. A constructor is called whenever
(A) an object is created
(B) a class is created
(C) a class is declared
(D) More than one of the above
(E) None of the above
Answer :- (A) an object is created
97. All members of a structure in C++ are _____ by default.
(A) public
(B) private
(C) protected
(D) More than one of the above
(E) None of the above
Answer :- (A) public
98. In C++, all members of a class are _____ by default.
(A) public
(B) private
(C) protected
(D) More than one of the above
(E) None of the above
Answer :- (B) private
99. In C++, what does a class hold?
(A) Array
(B) Data
(C) Data and functions
(D) More than one of the above
(E) None of the above
Answer :- (D) More than one of the above
100. The number of access specifiers in class of C++ is
(A) 2
(B) 3
(C) 4
(D) More than one of the above
(E) None of the above
Answer :- (B) 3