Computer Science Multiple Choice Questions (MCQ) and Answers - Set 01
(Useful towards placement preparation)
1. Implementing
polymorphism where by object belonging to different classes can respond to the
same message in different ways.
(a) late binding
(b)dynamic binding
(c) dynamically
created object
(d) virtual function
2.Data structure used in recursion
(a)Stack
(b) Queue
(c)Linked List
(d)all the above
3. ERP stands for
(a) Entrepreneur Related Processing
(b) Enterprise Resource Planning
(c) Enterprise
Related Processing
(d) None of the above
4. Which of the following involves a context switch
(a) system call
(b) privileged instruction
(c) floating point exception
(d) all the above
5. Semaphore
is used for
(a) Synchronization
(b)
dead-lock avoidance
(c)
black box
(d)
none
6. Which
of the following is not a natural member of the set
(a)
UNIX
(b)PICK
(c)LAN
(d) VMS
7. Virtual address
are translated to physical address by
(a) the process
(b) operating system
(c) MMU
(d) All of the above
8. Which type of operating system unix is?
(a) Multiuser
(b) Single user
(c) Multiuser,
Timesharing
(d) Multitasking, Timesharing, Multi-user
9. For 1 MB memory, the number of
address lines required,
(a) 16
(b)20
(c)22
(d) 24
10.Ingress is
(a) An operating system
(b) A structured query language
(c) Programming language
(d)
RDBMS
11. SCSI stands for
(a) System Configuration System Interface
(b) Small Computers System Interface
(c) Small Computers System Interconnect
(d) None of the above
12. Modern RDBMS perform the following the
following functions except
(a) Force column values in one table to match any of the
values in a column of another table
(b) Automatically replicate data on another server
(c) Automatically create new indexes based on query history
(d) Prevent unauthorized users from accessing data at the firls
level
13. Purpose of Program
Counter in a Micro Processor is
(a) To store address of TOS(Top Of Stack)
(b) To store address of next instruction to be executed.
(c) Count the number of instructions.
(d) To store base address of the stack.
14. The status of
the Kernel is
(a) task
(b) process
(c) not defined
(d) none of the
above.
15. Memory
allocation of variables declared in a program is
(a) allocated in RAM.
(b) allocated in
ROM.
(c) allocated on stack.
(d) assigned to
registers.
16. A software that
allows a personal computer to pretend as a computer terminal is
(a) terminal adapter
(b) bulletin board
(c) modem
(d) terminal
emulation
17. Windows 95 supports
(a) Multiuser
(b) n tasks
(c) Both (a)
& (b)
(d) None of the two
18. What are device drivers used for
(a) The device that drives the hardware.
(b) To provide software for enabling the
hardware.
(c) both of the above
(d) none of the above
19. Which of the
following API is used to hide a window
(a) ShowWindow
(b) EnableWindow
(c) MoveWindow
(d)
SetWindowPlacement
20. What was the
first name given to Java Programming Language.
(a) Oak – Java
(b) Small Talk
(c) Oak
(d) None of the
above
21. In which layer does Routers work?
(a) Physical layer
(b) Network Layer
(c) Data Link Layer
(d) All the above
22. Which of the following is the most
powerful type of computer?
(a) Super-micro
(b) Superconductor
(c)
Supercomputer
(d) Megaframe
23. Coded entries which are used to gain
access to a computer system are called
(a) Entry codes
(b) Passwords
(c) security commands
(d) Code words
24. A term associated
with the comparison of processing speeds of different computer system is
(a) EFTS
(b) MPG
(c) MIPS
(d) CPS
25. Human beings are
referred to as Homosapiens. Which device is called silicosapiens?
(a) Monitor
(b) Hardware
(c) robot
(d) computer
1. (d) 2. (a) 3.
(b) 4. (a) 5.
(a)
6. (c) 7. (c) 8.
(d)
9. (b) 10.
(d)
11. (c) 12. (a) 13.
(b) 14. (b) 15.
(c)
16. (d)
17.
(a) 18.
(b) 19. (a) 20. (c)
21. (b)
22.
(c) 23.
(b) 24.
(c) 25.
(d)
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