WorksheetsLet's see what you remember after Summer!
Total questions: 72
Worksheet time: 48mins
Name
Class
Date
1.
What is a memory cell ?
a)
A prison for memories of criminal activity
b)
An area that can hold a 0 or 1 to represent a binary digit
c)
A set of memory locations that hold data
d)
A group of primary memory devices that operate a computer
2.
How much of a computers processing is carried out by the CPU?
a)
Some
b)
most
c)
All
d)
none
3.
Which of these are the factors that need to be balanced against when developing memory ?
a)
Size
b)
Cost
c)
Speed
d)
Colour
4.
What does RAM stand for ?
a)
Randomly Accessed Memory
b)
Random Access Memory
c)
Randomized Accessible Memory
d)
Randomly Accessing Memory
5.
which of these statements are correct for DRAM?
a)
DRAM is a memory chip that depends upon an applied voltage to keep the stored data
b)
DRAM stands for Dynamic RAM
c)
DRAM is as fast as a CPU
d)
DRAM is the most expensive form of RAM
6.
Would CASHE be SRAM or DRAM?
a)
SRAM
b)
DRAM
7.
For SRAM and DRAM which is faster ?
a)
SRAM
b)
DRAM
8.
For SRAM and DRAM which is Cheapest byte for byte?
a)
SRAM
b)
DRAM
9.
For SRAM and DRAM which takes up the least space byte for byte?
a)
SRAM
b)
DRAM
10.
The cache part of the CPU does what? Choose ONE from the following:
a)
Stores information
b)
Decodes information
c)
Processes instructions
d)
Controls outputs sent out by the CPU
11.
The CPU clock is measured in cycles per?
a)
Second
b)
Second
c)
Millisecond
12.
What hardware defines a computer?
a)
CPU and memory
b)
CPU and GPU
c)
CPU and storage
13.
What does 'volatile' mean for a computer's memory?
a)
Data and instructions are lost
when the computer is switched off
b)
Data and instructions remain
stored even when the computer is switched off
c)
Data and instructions may cause
the computer to crash
14.
Which types of memory might be used when the computer swaps data in and out of virtual memory?
a)
A hard disk drive and random
access memory
b)
Random access memory and cache
memory
c)
A hard disk drive and cache
memory
15.
From where does virtual memory take extra space in order to store more primary information?
a)
Hard drive
b)
Cache memory
c)
RAM
16.
Which of the following is TRUE about RAM?
a)
It holds all the
information and files for the program you are using
b)
It cannot be manipulated
c)
It contains information about how the
computer should boot up
17.
What is 'cache'?
a)
It is a small amount of memory
which is a part of the CPU
b)
It is a small amount of memory
which is a part of the CPU
c)
It executes programs using the
fetch-decode-execute cycle
18.
Which is the fastest kind of memory for the CPU to access?
a)
Level-1 cache memory
b)
Random
access memory
c)
Level-2 cache memory
19.
A computer system makes use of?
a)
Binary Data
b)
Hexadecimal Data
c)
Denary Data
d)
Electrical Data
20.
Why is memory stored in binary values of 1 and 0?
a)
As this is the easiest and
fastest code that the computer can understand.
b)
As it is easier to store information this way
c)
As it takes up less memory
21.
Logic gates are used to calculate….. when comparing bits?
a)
Output
b)
Input
c)
Memory
d)
Data
22.
AND Gate gives an output of 1 if ...
a)
Both inputs are 1
b)
Both inputs are 0
c)
One input is 1 and another is 0
23.
OR Logic gates give an output of 1 if:
a)
Either both or one of the inputs is 1
b)
Both inputs are 1
c)
Both inputs are 0
24.
What sort of output does a NOT Logic gate give?
a)
An output that is opposite to the input
b)
An output that is opposite to
the input
c)
An output that is double the input
25.
What is the binary number for the denary number 60?
a)
111100
b)
1100
c)
111001
26.
How many colours do we get from 2 bits
a)
2 colours
b)
4 colours
c)
8 colours
d)
24 colours
27.
How many colours do we get from 3 bits?
a)
2 colours
b)
4 colours
c)
8 colours
d)
24 colours
28.
how many colours do we get from 4 bits
a)
2
b)
4
c)
8
d)
16
29.
When we have a 'one-bit' colour, which are the only two binary numbers that are possibilities?
a)
00 and 11
b)
000 and 111
c)
0 and 1
d)
0000 and 1111
30.
How many combinations are there for a '2 bit' colour?
a)
8
b)
4
c)
16
d)
32
31.
The colour of a pixel can be stored as a _______ number
a)
Unicode
b)
Hex
c)
Binary
d)
ASCII
32.
Binary is a base two number system. What does this mean?
a)
That there are 10 possible states (0-9)
b)
That there are 16 possible states (0-9 and A-F)
c)
That there are 2 possible states (0 or 1)
d)
That the computer can only understand letters
33.
How many bits are in a byte?
a)
2
b)
0
c)
8
d)
4
34.
What is a nibble?
a)
Half a bye (4 bits)
b)
8 bits
c)
1 bit
d)
Something to eat
35.
What is a gigabyte (GB)?
a)
8 bits
b)
1024 kilobytes (KB)
c)
1024 bytes (B)
d)
1024 megabytes (MB)
36.
If a PS4 has a storage capacity of 500GB, and each game is 50GB, how many games can be stored on the PS4's hard drive?
a)
1
b)
5
c)
10
d)
15
37.
What will this binary number be in denary (normal number)?
a)
130
b)
128
c)
2
d)
64
38.
What will this binary number be in denary (normal number)?
a)
32
b)
8
c)
12
d)
44
39.
What is 40 as an 8 bit binary number? Use the grid to help you.
a)
0 0 1 0 1 0 0 0
b)
0 0 0 0 0 0 0 0
c)
1 0 0 0 0 0 0 0
d)
0 1 1 1 1 1 1 1
40.
What is the answer if you add these binary numbers together?
a)
1 1 1 0
b)
0 0 0 1
c)
0 0 0 1
d)
1 1 1 1
41.
Convert 11001001 to Denary.
a)
199
b)
200
c)
201
d)
202
42.
Convert 7A Hexadecimal to Binary.
a)
01111010
b)
01111000
c)
01110100
d)
01110010
43.
Convert 9C to Denary.
a)
155
b)
156
c)
157
d)
158
44.
What problem occurs when the following two numbers are added together?11010011 + 11010011
a)
overpour
b)
overgo
c)
overflow
d)
overmove
45.
What is an entity?
a)
Someone or something that would provide information that would be stored in a database
b)
Somewhere where the information is going to be stored once processed in a database
c)
Data that would be processed through a database
46.
What level is a Context Diagram?
a)
1
b)
2
c)
0
47.
If you were to break down a process into greater detail, what level would it be?
a)
1
b)
2
c)
0
48.
Would a Use Case Diagram be used in Logical data modelling?
a)
Yes
b)
No
49.
Would an Entity Relationship Diagram show attributes?
a)
Yes
b)
No
50.
Which of the following is a Systems Development Life Cycle?
a)
Waterfall
b)
Falling
c)
Roundabout
51.
Which if the following is not a function of an operating system?
a)
interface between the user and the machine
b)
coordinate software applications
c)
coordinate hardware components
d)
monitor system health
52.
Which of the following operating systems can you freely modify if you choose?
a)
OS X
b)
iOS
c)
BlackBerry
d)
Linux
53.
Allocating time on the processor to individual processes is known as...
a)
CPU Scheduling
b)
CPU Timing
c)
CPU Clocking
d)
CPU Sorting
54.
A process is a...
a)
program in execution
b)
program on the hard drive
c)
high level program
d)
low level program
55.
What is defragmentation?
a)
Rearranging files to occupy contiguous space.
b)
Speeding up processing.
c)
Rearranging the RAM.
d)
Rearranging processes queued for processing.
56.
Which of the following is not a resource managed by the OS?
a)
Bandwidth
b)
Secondary Storage
c)
RAM
d)
Programs
57.
Which of the following is not a resource managed by the OS?
a)
CPU
b)
Cache
c)
Graphics Processor
d)
Data
58.
When the OS creates temporary RAM on the Hard Drive it is known as...
a)
Virtual Memory
b)
Cache
c)
Registering
d)
Defragmenting
59.
Which of the following is not systems software?
a)
Web Browser
b)
Anti Virus
c)
Firewall
d)
Zip Compression
60.
A message sent by the OS to change the CPU schedule is known as...
a)
Interupt
b)
Poll
c)
Cache
d)
Defrag
61.
Keeping track of the location of processes in memory and allocating space to new processes is known as...
a)
Memory Management
b)
Process Management
c)
Memory Scheduling
d)
Process Scheduling
62.
Holding more than one process in the memory at any one time is known as multi-tasking or...
a)
Multi-programming
b)
Parallel Processing
c)
Timesharing
d)
Process Management
63.
How many bits are used in ASCII
a)
16
b)
1
c)
7
d)
8
64.
The ASCII code is capable of representing non-European languages
a)
TRUE
b)
FALSE
65.
Upper and lower case letters have a different ASCII code
a)
TRUE
b)
FALSE
66.
What is the maximum number of positive integer values that can be represented in 8-bits
a)
16
b)
256
c)
65,536
d)
128
67.
What is the maximum number of positive integer values that can be represented in 7-bits
a)
16
b)
256
c)
65,536
d)
128
68.
A character set is...
a)
What language can be used in a computer system
b)
The fonts that a computer has installed
c)
The possible characters that can be represented by a computer system
69.
ASCII can represent more characters than Unicode
a)
TRUE
b)
FALSE
70.
ASCII stands for...
a)
American Standard Code for Information Interchange
b)
American Scientific Code for Information Interchanging
c)
Absolute Standard Codes for Instruction Interchange
71.
A ____________ is an example of a real-time operating system.
a)
PDA
b)
Personal Computer
c)
Supercomputer
d)
Thermostat
72.
A company has 20 employees each of whom have a personal computer. Each employee needs to be able to run several programs at any given time. Which type of operating system would work best?
a)
Single-user, single-task operating system
b)
Single-user, multi-task operating system
c)
Multi-user operating system
d)
Unix operating system
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