22) This binary number 101111001 is equal to octal a) 571 b) 377 c) 1023 d) none of the above

23) If the device you are using produces some input along continuous range of data it is typically known as a(n) a) metadata device. b) analog device. c) MPEG device. d) MP3 device.

24) In order to describe the meaning of some data usually we do this using this format/type: a) ASCII. b) analog. c) EBCDIC. d) metadata.

25) When we use a format that occurs one pixel at a time to make an an image either in input or in output, this format is called : a) metadata. b) a raster scan c) a sampling d) collating sequence.

26) If I am looking at image files that store each individual point within each image, then I am looking at: a) analog data. b) vector images. c) object images. d) bitmap images.

27) The very small component ingredients that consolidate or roll-up into a bitmap image are called a) palettes. b) pixels. c) grid bits. d) rasters 28) Within video formats the encoder-decoder algorithm known as a (best term): a) codec. b) modifier. c) converter. d) video coding format

29) If you want to use an image file that tends to be better for quality photographs of real-world objects you probably want to use a) GIF b) PNG c) MP3 d) JPEG 30) When a video that is sent across a network and shown in real-time it is said to be a) raster. b) flowing. c) streaming. d) Post Script.

31) When we want to combine the signals from an electronic sound synthesizer into a computer, the data combination occurs in this data format: a) MOD b) VOC c) WAV d) MIDI

32) The type of media for which the .WAV data format is used as the main vehicle for storage and reproduction is a) text. b) sound. c) video d) pictures.

33) The lossless style of data compression MUST be used for all of these but NOT for a) text files. b) program files. c) multimedia files. d) numerical data files.

34) The ZIP files use a) lossy algorithms only. b) lossless algorithms only. c) mix of both lossless and lossy algorithms. d) depends on the nature of the data being compressed.

35) Two-valued variables or the type of constants with fixed value of T(true) or F(false), are called a) float. b) binary. c) Boolean. d) double variables.

36) In what manner do computers store all data and program instructions? a) As decimal numbers. b) As binary numbers c) As ASCII numbers d) As secondary memory.

37) In cases where you want to store a number in a computer and the number is outside of the integer range of the computer or when the number contains a part that is a fraction, then the number is stored as a(n): a) variable. b) exponent. c) complement. d) real number.

38) A storage location of one byte (of 8-bits) can store this maximum quantity of unique decimal numbers: a) 8 b) 255 c) 256 d) 512

39) What does BCD stand for? a) Binary-Coded Decimal b) Binary Calculating Device c) Binary Common Denominator d) Binary Character Data

40) What is the most common way to represent negative integers in binary form? a) As BCD b) Using sign-and-magnitude c) Using 2's complement d) None of the above

41) If we complement a binary value two times, then the impact on the value is this: a) be twice as big. b) return to its original value. c) cause an overflow error. d) reset the carry flag.

42) Given a binary number, if we change all of the 0s to 1s, and change all of the 1s to 0 s then we are performing: a) inversion. b) reversion c) twos complement d) conversion.

43) Using sign-and-magnitude representation, if the leftmost bit is 1 the number is a) positive. b) negative. c) an error. d) a character

44) How do you find the 2's complement of positive numbers? a) Invert the numbers b) Invert the numbers and add one c) Invert the numbers and wrap around the leftmost bit d) Do nothing, the complement is the same as the original

45) What is the number 12.345 x 102 without using exponential notation? a) 0.12345 b) 123.45 c) 1234.5 d) 12345

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46) (2 points ) Using this instruction set:

Opcode Definition 0 Halt 1 ADD 2 SUBTRACT 3 STORE 5 LOAD 6 BRANCH UNCONDITIONALLY 7 BRANCH ON ZERO 8 BRANCH ON POSITIVE 901 INPUT 902 OUTPUT

Then looking at this program:

Instruction# code Performs this: [fill-in the steps] 0 901 01 399 02 901 03 199 04 902 05 000 99 DAT

And in summary the program does this:_________________________________

Question: What does the above program do? Fill-in the

Answer: Adds two numbers