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SS2 First Term Revision Flashcards | StudBud
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SS2 First Term Revision
SS2 First Term Revision
30 terms
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Questions
30
Answers
1
INPUT devices input information
False
True
2
Logic gates perform logic operations.
True
False
3
Fetch - ________ - Execute -StoreCycle
Encode
Demand
Process
Decode
4
The
Control Unit
is the...
ALU
Holds all the registers within a CPU
RAM of a computer
circuitry coordinating the activities of the computer
5
What number is the abacus showing?
3440
455
34
344
6
What logic gate would give this outcome?
ENTITY
AND
NAND
OR
7
How do OR and XOR logic gates differ?
no difference
XOR outputs a 1 if only one (not both) of the inputs is a 1
all outputs are 1
XOR outputs a 1 if one or more of the inputs is a 1
8
Identify the logic gate circled in red
AND
XOR
NAND
OR
9
Sort the Computer Storage Units from Smallest to Largest
Kilobyte, Megabyte, Gigabyte, Terabyte, Petabye
Kilobyte, Megabyte, Terabyte, Petabye, Gigabyte
Kilobyte, Megabyte, Terabyte, Gigabyte, Petabye,
Megabyte, Gigabyte, Terabyte, Petabye, Kilobyte,
10
Who invented the first mechanical census machine?
Babbage
Lovelace
Hollerith
Pascal
11
What is the primary responsibility of the CPU in a computer?
a) Storing data
b) Processing data and executing instructions
c) Displaying output
d) Providing input to the system
12
Which Excel function returns a value if the condition is true and another value if the condition is false?
OR
IF
AND
NOT
13
abacus
Invention
Innovation
14
What is the purpose of the Control Unit
Controls the way data flows around the CPU
Stores instruction currently being Processed
Continuously perform the FDE cycle
Performs Arithmetic Calculations & Logic Operations
15
What is the purpose of logic gates?
A Boolean data type has only two values: true and false
none
A Boolean data type has only two values: 1 and 0
A Boolean data type has only two values: yes and no
16
Which is the smallest computer storage unit?
Kilobyte
Gigabyte
Petabyte
Megabytes
17
A CPU has three main components -
Control Unit, MAR and CS.
Control Unit, MAR and ALU.
Control unit, ALU and Registers.
MAR, ALU and IAS.
18
This man created the first electromechanical tabulating machine to help with the 1890 US census.
Evander Holyfield
Henry Hubbard
Herman Hollerith
Herman Cain
19
Random Access Memory
Permanently stores data
Short term memory that stores data only when the power is on
Stores data when the computer is off
Stores data at random times
20
An Excel formula with multiple IF conditions is called a ___
Recursive IF Statement
Extended IF Statement
Nested IF Statement
Continuous IF Statement
21
Peripheral devices can be input or output... INPUT peripherals:
Send information into the computer
Can be broken
Receive information out of the computer
Work without a computer
22
What are the two most common input devices associated with computers? (choose 2):
Keyboard; Speakers
Speakers; Mouse
Keyboard; Mouse
Printer; Speakers
23
The CPU is included on a central component of the computer known as:
the command center
the BIOS adapter
modem
the motherboard
24
IR in a computer registers represents
Instruction Register
Input Registeer
Increment Register
Interrupt Register
25
Are speakers INPUT or OUTPUT devices?
none of these
Input
Output
storage
26
The arithmetic logic unit
computes the fetch-decode-execute cycle
connects the mouse and keyboard
carries out the mathematical and logical operations
connects the computer to a network
27
Which of these are computer registers?
Accumulator, General-purpose register, Nul-Pointer
Program counter, data holder, accumulator
Accumulator, Memory Address Register, General-Purpose Register
Memory Address Register, General-Purpose Register, Memory-Purpose Register.
28
How many values are used in Logic gates?
2
1
infinite
0
29
Are these computer components input or output devices?
Output
Neither
Input
Both
30
In which country was the Abacus invented?
Greece
Egypt
Saudi Arabia
China
