Pls Midterm #2

Front 1

MC How many bits are required to measure 2 levels of intensity? A.)3 B.)4 C.) 1 D.) 2

Back 1

C. 1 bit

Front 2

T/F Quick Formatting erases old information and fixes bad sectors

Back 2

False

Front 3

T/F A binary number is called a binary digit or a b

Back 3

True

Front 4

T/F The basic input-output system on a motherboard is called BIOS

Back 4

True

Front 5

T/F BUSES are circuits that carry data from one component to anoth

Back 5

True

Front 6

T/F Augusta Ada Byron described a plan for what is considered the first computer program.

Back 6

True

Front 7

T/F The first generation of computers was characterized by the use of the transistor.

Back 7

False

Front 8

MC All of the following are characteristic of a good database system, EXCEPT: a) data integrity b) data independence c) data security d)data redundancy e)data maintenance

Back 8

D. Data redundancy

(Should be avoidance data redundancy)

Front 9

T/F IDE/ATA is simpler and slower than SCSI.

Back 9

True

Front 10

T/F Kbps is the same as KBps

Back 10

False

Front 11

T/F A computer can be considered a person

Back 11

True

Front 12

MC Who was the first known programmer? A) Charles Babbage B) Herman Hollerith C) Augusta Ada Byron

Back 12

C. Augusta Ada Byron

Front 13

T/F The 2nd generation computers did not use punch cards

Back 13

False

Front 14

T/F Bus speed affects ony some components and should be considered more consistently when comparing systems.

Back 14

False

(it affects all components)

Front 15

MC What does capital B stand for? A)Byte B)Bit C)Bite D)Byt

Back 15

A. Byte

Front 16

MC What does the the lower case letter b stand for? A)Byte B)Bit C)Bite D)Byt

Back 16

B. Bit

Front 17

MC What is the difference betwen a Byte and a Bit? A)8 B)6 C)2 D)10

Back 17

A. 8

Front 18

MC How many megabytes does 1 gigabyte contain? A)1042 megabyte B)1024 megabyte C) 1000 megabyte D)100 megabyte

Back 18

B. 1024 megabyte

Front 19

T/F Magnetic tape is a type of technology and media that is used for storage.

Back 19

True

Front 20

T/F Cache Memory is faster then RAM.

Back 20

True

Front 21

Forms are based on tables and documentary sources

Back 21

False

(based on tables and queries)

Front 22

MC What is the component of Microsoft Office whose primary function is to create and display presentations on screen? a)Microsoft Word, b) PowerPoint, c) Excel, d) Access, e) None

Back 22

B. Powerpoint

Front 23

T/F PowerPoint has 4 defined views?

Back 23

True (normal, slide sorter, slide show, +notes page)

Front 24

T/F Database is the collection of data(or info.) about certain subject

Back 24

True

Front 25

T/F Primary key is an uniquely data that identifies each record

Back 25

True

Front 26

T/F Semiconductor storage uses a medium that is similar to RAM, but it is not erased when the power is turned off.

Back 26

True

Front 27

T/F Magnetic storage is used for floppy disks, hard disks, and tapes.

Back 27

True

Front 28

T/F Optical media and technology are used by CDs and DVDs. DVDs and CD-ROMs have layers of thin aluminum sandwiched between transparent plastic layers.

Back 28

True

Front 29

MC CRT stands for, A. Charge-couple rapid transmission, B. Cathode Ray Tube, C. Computer Random Transmitter, D. Computational Ray Technology, E. None of the above

Back 29

B. Cathode Ray Tube

Front 30

MC CRT stands for, A. Charge-couple rapid transmission, B. Cathode Ray Tube, C. Computer Random Transmitter, D. Computational Ray Technology, E. None of the above

Back 30

B. Cathode Ray Tube

Front 31

T/F Agusta Ada Byron was the first person to imagine that a machine could be programmed.

Back 31

True

Front 32

MC RAM is _________., A. volatile, B. faster than cache, C. permanent, D. both a and c

Back 32

A. Volatile

Front 33

T/F Jacquard developed the difference engine.

Back 33

False

(difference engine invented by Babbage; Jacquard invented the loom)

Front 34

A cassette tape stores sound as an analog signal, wheras a CD stores it digitally

Back 34

True

Front 35

MC Choose the technological advance that enabled the second generation of computing., A. motherboard, B. Very Large Scale Integration (VLSI), C. integrated circuits, D. transistors

Back 35

D. Transistors

Front 36

MC Choose the technological advance that enabled the fourth generation of computing., A. artificial intelligence, B. vacuum tubes, C. Very Large Scale Integration, D. integrated circuits

Back 36

D. Integrated circuits

Front 37

T/F Charles Babbage developed a machine that was employed to count and tabulate the records of the US Census.

Back 37

False

(he invented the Difference Engine, Hollerith's invention (based on Babbage's idea helped the US Census)