CLT
1) Charles Babbage = The founder of Computer
2) COMPUTER = Commonly
used Machine Purposely Used for Technical
and Educational research
3) Smallest in data is - Bit
4) 1 Nibble = 4 bits
5) 1 Byte = 8 bit
6) CPU = Central Processing Unit
7) CPU has 2 parts.
8) CPU is the brain
of computer.
9) Keyboard is an INPUT
device
10) The generations of computer are 5
11) The time period of First generation computer 1946-1959
12) Which technology
used in first generation of computer = Vacuum
tube
13) KB = kilobyte
14) 1 KB = 1024byte
15) There are 2 types of memories in computer.
16) RAM – temporary memory
17) RAM – Random Access memory
18) Key board, Mouse, scanner are Input devices
19) CPU consist of = ALU + CU
20) Memory can be measured in KB, MB, GB
21) Keyboard has 4 arrow
keys
22) Number of keys in keyboard = 104
23) The list of coded instructions computer is called =
Computer
program
24) The part of the CPU, which perform all Mathematical
operations = ALU
25) Hardware is Mouse,
keyboard, Printer.
26) How many software are there = 2
27) FIFO = First in First out
28) ALU is the part of CPU
29) RAM has 2 types SRAM and
DRAM
30) Can hardware work without device driver = False
31) CTRL + Shift + N = New Folder
32) Computer Shutdown = Alt + F4
33) F5 = is the
refresh key
34) Windows, MS Dos, LINUX are example for OS.
35) Volatile Memory is SRAM and DRAM
36) Ctrl + Z =
Undo
37) Ctrl + C = Copy
38) Shift + Delete = For Permanent Delete
39) Ctrl + A = is used for Select all.
40) Ctrl + X = Cut
41) Binary number example is = 0 and 1
42) Bits = binary Digits.
43) BCD(Binary Coded Decimal) uses = 6 bits
44) Example for logic gates = AND, OR, NOT
45) The two kinds of main memory = RAM and ROM
46) OS is the example of = Software
47) The main memory of computer is = Primary memory
48) E-mail stands for = Electronic mail
49) G-Mail stands for = Google mail.
50) Half byte or 4 bits is called = Nibble.
51) ARPANET stands for = Advance Research Projects
Agency Network.
52) The first computer is = ARPANET.
53) Data can be stored in a CD = 700 MB
54) Shortest access memory is Cache memory
55) HDD is the example of = Secondary memory
56) Internal HDD computer is = Fixed
57) The length of IP address is = 32 bits
58) MAC = Media access control
59) The length of MAC address is = 48 bits
60) The location of the resource on internet is given
by its = URL
61) URL = Uniform Resource Locator
62) Set of rules is known as = Protocol
63) Physical arrangement of computer is called =
topology
64) The structure / format of data is called = Syntax
65) Key board is the example of = Input device
66) Monitor is the example of = Output device
67) A computer consist of = Output and input unit, Memory, CPU
68) How many function key are on keyboard = 12
69) RAM and ROM are the example of = storage device
70) Speaker is an example of = Simplex.( that sends
information in one direction only)
71) Telephone network is the example of = Full duplex
system
72) Walkie – talkie is an example of = halfplex
73) Which of the following are the mode of data transmission
= simplex, halfplex, full duplex
74) Is the “star” type of topology = True
75) CPU controls – All input, Out and Processing
76) What was the name of first computer = ENIAC
77) ENIAC = Electronic Numerical integrator and
computer
78) In which generation computer are micro processor =
Fourth generation
79) In which generation OS was developed = Third
80) In computer OCR stands for = Optical character
recognition
81) Computer mouse is used for
82) The developer of mouse = Douglas Engelbart
83) The length if IPV6(Internet protocol version 6) is
= 128 bits
84) Which of the following is the type of network =
LAN, WAN, MAN, PAN
85) USB = Universal Serial bus
86) Base of decimal number system = 10
87) Convert 1100 in decimal = 12 (1x23+1x22+0x21+0x20 = 1x8+1x4+0x2+0x1=8+4+0+0=12
88) Read / Write memory = RAM
89) UPS = Uninterrupted power supply.
90) 1TB = 1000 GB
91) Computer monitor is also known as = VDU
92) VDU stands for = Visual Display Unit
93) Arrange in ascending order = KB<MB<GB<TB
94) Arrange in descending order = TB>GB>MB>K
95) The printed output from a computer is called = Hard
copy
96) Properly arranged data is called = Information.
97) Which was the most popular computer is = IBM 1650
98) BCD = Binary coded decimal
99) Which generation of computer is still under
development = Fifth generation
