IT 105 GMU Midterm review Questions
and Answers
Calculate the file size of an image in that comprises of 512x512 pixels with 6 bits
assigned per pixel in terms of MB.
✓ ~~~0.1875 MB
Calculate the size of a video file in terms of GB if each frame comprises of 512x512
pixels with 6 bits assigned per pixel with a frame rate of 24 fps and lasts for 30
minutes.
✓ ~~~7.91 GB
Which of the following is measured in terms of GHz?
✓ ~~~Processor speed
Which of the following is classified as volatile memory?
✓ ~~~RAM
Which component of the CPU is responsible for arithmetic and logical operations?
✓ ~~~ALU
Which component of the CPU is used to store frequently used instructions and data?
✓ ~~~Cache memory
What is the minimum standard sampling frequency that is used to digitize audio
signals for CD-quality music?
, ✓ ~~~44,100 Hz
One example of a low-level programming language is which of the following?
✓ ~~~Assembly language
When a user launches a piece of software, such as from the hard disk, the
instructions and data that correspond to the software and reside in RAM are in the
form of:
✓ ~~~Machine language
The length of the binary code that the camera generates for each pixel is called the:
✓ ~~~Bit depth
Calculate how many bits there are in a 4 KB digital audio file
✓ ~~~32,768 bits
How many "adds" does it take the ALU to process a 64 bit number if the word length
is 16?
✓ ~~~4
In the Von Neumann Model, communication between the memory and processing
unit consists of the Memory Address Register (MAR) and the Memory Data Register
(MDR).
✓ ~~~True
What are CPU cycles during instruction processing? List in the correct order.
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