Computer Operator 33

#1. An input/ output device at which data enters or leaves a computer system is…..

printer

plotter

terminal

keyboard

#2. Which chips are erasable by ultra violet rays after removing them from main circuit ?

ROM

EPROM

EEPROM

RAM

#3. Which of the following is NOT one of the four major data processing function of a computer ?

gathering data

processing data into information

analyzing the data or information

storing the data or information

#4. In excel to edit a cell content press….. key.

F5

F4

F1

F2

#5. To copy the hidden system files of DOS to another disk you can use the command ..

copy

Xcopy

sys

Diskcopy

#6. Fourth generation of computer used …….circuit.

IC

VLSI

Transistor

LSI

#7. Who built the word’s first binary digit computer Z1 ?

ken Thompson

konard Zuse

alan turing

all of the above

#8. Which of the below utilities allow you to view a drives partition information ?

chkdsk

disk management

device manager

scandisk

#9. Excel has…….. function.

relative

text

built-in

imported

#10. Which command is used to backup is DOS 6+ version ?

backup

MS backup

Ms backedup

#11. Which below IP address would be used for a local network ?

74.125.127.100

69.72.169.241

192.168.1.100

209.131.36.100

#12. Which command be used to ask you to confirm that you want to delete the directory ?

deltree

deltree/f

del *.*/p

erase *.*

#13. A “WORM” in computer spoils by…………..

copying itself

deleting files

bugging programs

hacking programs

#14. The command used to copy a file named temp.doc from drive C: to drive A: is;

Copy temp.doc to A:

Copy c:\temp.doc A:

Copy C: A:

Copy temp A: C:

#15. A typical personal computer now a days have RAM capacity of……….

256 KB

1 MB

256 KB

1 GB

#16. High level language is developed by……….

USER

CPU

ROM

operating system

#17. "TMP" extension refers usually to what kind of file ?

compressed file

image file

temporary file

audio file

#18. What is the minimum memory requirements for MS windows XP ?

32 MB

64 MB

128 MB

256 MB

#19. What is XML short for ?

eXtensive markup language

eXtension markup language

eXtensible markup language

#20. Technology no longer protected by copyright, available to every one, is considered to be……….

proprietary

open

experimental

in the public domain

#21. Where is the BIOS stored ?

on the hard drive

on a diskette

on a USB drive

on a flash memory chip

#22. Microcomputers are also called……..

fastest computer

network computer

personal computer

anlaog computer

#23. In …..data model are organized into tables.

relational

network

tree

hierarchical

#24. Wild card used to ………………..

represents one unknown file

represents one directory

represents one letter

represents one extension

#25. Which of the below media types hold the most information ?

Blu-ray

CD

DVD

floppy diskette