CIS 312 Midterm Exam Answers

CIS 312 Midterm Exam Answers | Strayer University 

CIS 312 Midterm Exam Answers

• Question 1
A ____ network is a complex combination of communication protocols, methods of data transmission, and network hardware devices.
• Question 2
Some experimental computers have used quantum physics to perform data storage and computation.
• Question 3
____ is typically the cheapest component of current information systems.
• Question 4
The biggest impetus for the change to electronic computing devices came during World War I.
• Question 5
A machine capable of addition can perform multiplication by executing the addition function multiple times.
• Question 6
A(n) ____ is a stored set of instructions for responding to a specific request, much as you might look up a recipe to prepare a particular dish.
• Question 7
Mechanical computers were used during World War I to compute trajectory tables for naval guns and torpedoes.
• Question 8
The ____ software layer has utility programs used by end users and system administrators to manage and control computer resources.
• Question 9
If the instruction format is ____, the amount by which the instruction pointer must be incremented after each fetch is a constant.
• Question 10
Shifting an 8-bit twos complement value to the right by seven positions is a simple way to extract and test the sign bit.
• Question 11
A(n) ____ instruction generates the result true if both of its data inputs are true.
• Question 12
A(n) ____ instruction suspends the normal flow of instruction execution in the current program.
• Question 13
The operand of a CPU instruction cannot contain the location of a data item.
• Question 14
MOVE tests the bit values in the source location and moves these values to the destination location.
• Question 15
A ____ instruction copies data bits to storage locations and can copy data between any combination of registers and primary storage locations.
• Question 16
A ____ performs specific tasks that can be counted or measured.
• Question 17
The surface area allocated to a bit is called the ____.
• Question 18
Wait states increase CPU and computer system performance.
• Question 19
Multiple hard drives can be enclosed in a single storage cabinet; this arrangement is referred to as a ____.
• Question 20
____ is a generic term for describing secondary storage data transfer units.
• Question 21
Early computers implemented primary storage as rings of ferrous material, a technology called ____.
• Question 22
Volatility is a matter of degree and conditions.
• Question 23
The time the disk controller must wait for the right sector to rotate beneath the heads is called ____.
• Question 24
A storage device or medium is ____ if it can’t hold data reliably for long periods.
• Question 25
A(n) ____ is a related group of primitive data elements organized for some type of common processing and is defined and manipulated in software.
• Question 26
A(n) ____ is a data structure containing both traditional (static) data elements and programs that manipulate the data.
• Question 27
Understanding data representation is key to understanding hardware and software technologies.
• Question 28
The data types a CPU supports are sometimes called ____ data types.
• Question 29
The fractional portion of a real number is represented by digits to the right of the ____.
• Question 30
With any fixed-width data storage format, it’s possible that the result of a computation will be too large to fit in the format.
• Question 31
Automated data processing combines physics and mathematics.
• Question 32
The representation format for each data type balances compactness, range, accuracy, ease of manipulation, and standardization.
• Question 33
When the data needed isn’t in the cache, the access is called a ____.
• Question 34
The CPU communicates with a peripheral device by moving data to or from an I/O port’s dedicated bus.
• Question 35
Until the 2000s, system buses were always constructed with serial electrical lines.
• Question 36
A ____ connects secondary storage devices to the system bus.
• Question 37
The main goal of buffering and caching is to ____.
• Question 38
A system bus can be conceptually or physically divided into specialized subsets, including the data bus, the address bus, and the control bus.
• Question 39
Serial channels in buses are more reliable than parallel channels at very high speeds.
• Question 40
When three cache levels are in use, the cache farthest from the CPU is called a ____ cache.
• Question 41
Devices with low data transfer demand can use a single lane, and devices with higher requirements can increase their available data transfer rate by using additional lanes.
• Question 42
A PC usually transmits data one bit at a time over a wireless connection, and a laser printer prints an entire page at once.
• Question 43
The role of ____ requires both technical expertise and the ability to help the organization make optimal use of its data resources for tasks such as market research.
• Question 44
____ design activities are narrower in scope and constrained by the information architecture compared to the remaining design activities.
• Question 45
Most people feel comfortable purchasing complex devices, such as cars, home theater systems, and computers.
• Question 46
Consolidation in periodical publishers has created large corporate families of technology-related Web sites and publications.
• Question 47
Under the UP, an information system is built in a series of 3- to 5-week repeated steps.
• Question 48
Many ____ create application software for specific processing needs.
• Question 49
To make an informed choice when purchasing a computer, you must know your preferences and requirements, such as the application software you plan to use and whether you plan to discard or upgrade the computer in a year or two.
• Question 50
Given the rapid pace of change in computer technology, a manager must have a broad understanding of current technology and _____.