Deck 3: Computer and Technology

Question 1

A subschema expresses

A)the logical view.
B)the physical view.
C)the external view.
D)all of the above

Answer 1

the external view.

Question 2

Count function in SQL returns the number of

A)values.
B)distinct values.
C)groups.
D)columns.

Answer 2

values.

Question 3

First generation computer systems used

A)transistors
B)vacuum tubes
C)magnetic cores
D)silicon chips

Answer 3

vacuum tubes

Question 4

.Which one of the following is a stored program machine?

A)micro-processor
B)calculator
C)analog-computer
D)micro-computer

Question 5

Computers can be classified in which of the following hierarchical orders?

A)pc, large, super micro, super computer
B)super micro, pc, large, super computer
C)pc, super micro, large, super computer
D)large, super micro, super computer, pc

Question 6

The unit of hardware, which an operator uses to monitor computer processing, is the

A)card reader
B)cpu
C)line printer
D)console

Question 7

Which one of the following a file?

A)floppy disk
B)magnetic drum
C)magnetic tape
D)none of these

Question 8

An I/O device which provides photographic outputs for printing galleys, is the

A)camera printer
B)automatic typesetter
C)radix printer
D)all of these

Question 9

A term used interchangeably with diskette is

A)disk cartridge
B)disk pack
C)floppy disk
D)packette disk4

Question 10

Which is a type of Electrically-Erasable Programmable Read-Only Memory?

A)flash
B)flange
C)fury
D)fram

Question 11

When you insert an Excel file into a Word document, the data are

A)hyperlinked
B)placed in a word table
C)linked
D)embedded

Question 12

'.MPG' extension refers usually to what kind of file?

A)wordperfect document file
B)ms office document
C)animation/movie file
D)imagefile

Question 13

Who wrote the book 'Computer Liberation and Dream Machine', the first book on personal computers?

A)john mccarthy
B)ted nelson
C)niklaus wirth
D)karl capek

Question 14

Charles Babbage invented

A)eniac
B)difference engine
C)electronic computer
D)punched card

Question 15

A computer programmer

A)enters data into computer
B)writes programs
C)changes flow chart into instructions
D)does total planning and thinking for a computer

Question 16

Terminal is a

A)device used to give supply to a computer
B)point at which data may leave or enter the computer
C)point where wires are interconnected
D)an input/output device

Question 17

Errors in computer results could be due to

A)encoding of data
B)transmission of data
C)manipulation of data
D)all of the above

Question 18

Register is a

A)set of capacitors used to register input instructions in a digital computer
B)set of paper tapes and cards put in a file
C)temporary storage unit within the cpu having dedicated or general purpose use
D)part of the auxiliary memory

Question 19

WAN means -

A)wide area network
B)wine area network
C)woll area network
D)wide allen network

Question 20

Which of the following refers to the fastest, biggest and most expensive computers?

A)personal computers
B)supercomputers
C)laptops
D)notebooks

Question 21

A collection of related information sorted and dealt with as a unit is -----------

A)disk
B)data
C)file
D)floppy

Question 22

Which part of the computer helps to store information?

A)disk
B)drive
C)keyboard
D)monitor

Question 23

What is part of a database that holds only one type of information?

A)report
B)field
C)record
D)file