401) In computer parlor a mouse is a screen saver
402) UNIVA is the name of the computer which was first used for
programming and playing of music
403) The IC chips for computer is prepared from silicon
404) Database management systems are comprised of tables that
made up of rows called records and columns called fields
405) Nano is equal to 10(to the power of -9)
406) In computers RAM is a non-volatile memory
407) Disk and tape drives are commonly used as hard copy
408) When computer is connected to LAN and data is sent across
it for storage/processing is online processing
409) The primary storage unit is also referred to as internal
storage
410) Oracle is not an operating system
411) Data are raw facts and figures
412) Holding of all data and instructions to be processed is one
of the functions of storage unit
413) To select the entire row in Excel, click mouse at row
heading
414) Database is known as structured data
415) Normal view and outline view notes pane appears in power
point
416) The user protection feature of an operating system is
required in multi-user system only
417) In word, Ctrl + Del combination of keys press to delete an
entire word
418) In MS-Word double clicking a word selects the word
419) Word document can be navigated in web layout view
420) In Excel, addressing mode(s) that can be used in a formula
is/are only absolute and relative
421) Note page views can you use to show just the slide and its
contents
422) Hardware that adds two numbers is arithmetic logical unit
423) The computer as a machine and all other physical equipment
associated with it are termed as hardware
424) Plotters are very useful in applications such as computer
aided design
425) Corel DRAW is a graphic package
426) The print to file option creates .prn file
427) The enhanced keyboard contains 101 keys
428) Data processing cycle consists of input cycle, output cycle
and processing cycle
429) Page Setup is not an option of Edit menu
430) Radar chart is used to show a correlation between two data
series
431) A computerized business information system includes
hardware, software and data facts
432) Purchase order file is a transaction file
433) A typical computerized business application system will
have both master and transaction file
434) Problem identification is taken first in designing a
program
435) The purpose of the EXIT command is to get out of a condition
loop
436) Employees details is a master file for the pay roll system
437) A slow memory can be connected to 8085 by using READY
438) A processor needs software interrupt to obtain system
services which need execution of privileged instructions
439) A CPU has two modes- privileged and non-privileged. In
order to change the mode from the privileged to the non-privileged, a software
interrupt is needed
440) Swap space resides at disk
441) The process of assigning load addressed to the various
parts of the program and adjusting the code and data in the program to reflect
the assigned address is called relocation
442)1 Sector= 4096 bytes
443) Two stacks of size required to implement a queue of size n
444) 1 Floppy = 6, 30,784 bytes or 308 KB
445) Consider a machine with 64 MB physical memory and a 32-bit
virtual address space. If the page size is 4 KB, then size of the page table is
2 MB
446) Consider a virtual memory system with FIFO page replacement
policy. For an arbitrary page access pattern, increasing the number of page
frames in main memory will always decrease the number of page faults
447) Consider a scheme R(A, B, C, D) and functional dependencies
A->B and C-> D. Then the decomposition of R into R1 (AB) and R2 (CD) is
dependency preserving and lossless join
448) Main memory requires a device driver
449) RAM can be divided into 2 types
450) Two friends suitably arrange 4 blocks of different colors
to exchange coded information between them. 4 bits of information is one
exchanging each time
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