Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. Which of the following does not affect theresolution of a video display image?
a. Bandwidth
b. Raster scan rage
c. Vertical and horizontal lines of resolution
d. Screen Size
e. None of these
Q. Latency time is
a. Time to spin the needed data under head
b. Time to spin the needed data under track
c. Time to spin data under sector
d. All of these
e. None of these
Q. DPI stands for
a. Desktop projection Ink
b. Dot per inch
c. Dot-matrix printer ink
d. Desktop pixel Inch
e. None of these
Q. Databases software may be divided into
a. five distinct categories
b. four distinct categories
c. three distinct categories
d. two distinct categories
e. None of these
Q. File record length
a. Should always be fixed
b. Should always be variable
c. Depends upon the size of file
d. Should be chosen to match the data characteristics.
e. None of these
Q. ………….is the time required by a sector to reach below read/write heat
a. Seek Time
b. Latency Time
c. Access Time
d. None
e. None of these
Q. ………….is a technique of improving the priority of process waiting in Queue for CPU allocation
a. Starvation
b. Ageing
c. Revocation
d. Relocation
e. None of these
Q. A grammar for a programming language is a formal description of
a. Syntax
b. Semantics
c. Structure
d. Code
e. None of these
Q. …………is a technique of temporarily removing inactive programs from the memory of computer system
a. Swapping
b. Spooling
c. Semaphore
d. Scheduler
e. None of these
Q. The memory allocation scheme subject to “external” fragmentation is
a. segmentation
b. swapping
c. pure demand paging
d. multiple fixed contiguous partitions
e. None of these
Q. Virtual memory is
a. simple to implement
b. used in all major commercial operating systems
c. less efficient in utilization of memory
d. useful when fast I/O devices are not available
e. None of these
Q. Before proceeding with its execution, each process must acquire all the resources it needs is called
a. hold and wait
b. No pre-emption
c. circular wait
d. starvation
e. None of these
Q. The main reason to encrypt a file is to……………
a. Reduce its size
b. Secure it for transmission
c. Prepare it for backup
d. Include it in the start-up sequence
e. None of these
Q. ‘LRU’ page replacement policy is
a. Last Replaced Unit
b. Last Restored Unit
c. Least Recently Used
d. Least Required Unit
e. None of these
Q. Which of the following is not a fundamental process state
a. ready
b. terminated
c. executing
d. blocked
e. None of these