1. The Guinea savanna is known as the home of Nigeria's________
Disintegration
Tourism
Hardship
Cultural group
2.The middle belt of Nigeria is sometimes called_______
Undulating surface
Montane
Landlocked
Kasashen
3.The option are all major ethnic group in the middle belt except_______
The Ibibio
The Igala
The Ebira
The Idoma
4.In the 16th century,a deposed Alaafin was expected to_______
Go into exile
Commit Suicide
Step aside
Resign honourably
5.One of the options is NOT a deity in Igboland_______
Idemili
Igwe
Orunmila
Ana
6.Colonial rule was introduced to the people of Nigeria by______
Choice
Luck
Force
Trust
7.The socio-political organization of the traditional Igbo was based on______
Education
Achievement
Friendship
Age grade
8.Before Independence,________was the major economic factor in Nigeria
Commerce
Farming
Banking
Extraction
9.The British government amalgameted Nothern and Southern Nigeria in_______
January 1914
April 1914
May 1914
October 1914
10.The _______were the first Europeans to arrive Nigeria through Bini kingdom
British
Americans
Portuguese
French
11.The capability of Abuja to be the symbol of national unity was questioned because______
It was baptized "home of all"
The entrance has an Islamic symbol
Clash between Christianity and Islam
The Abuja indegenes refused
12.Which of these is not the ethnic group of the rain forest region in Nigeria
Yoruba
Ijaw
Igbo
Fulani
13.The site where Oduduwa and the party from the almight landed before extending his authorities to other towns and villages is_____
Oke Oramfe
Ile-Ano
Oyo
Ibadan
14.The Igbo village-centred administration implied that all male in the village participate in its______
Social process
Political process
Educational process
Economic process
15.Nigeria became Independent on______
October 1st 1956
October 1st 1950
October 1st 1972
October 1st 1960
16.The Mid Western region was created in______
1953
1983
1963
1973
17.The Northern people Congress (NPC) was formed by ______ and _____ to defend the interests of the Northerners.
Mallam Aminu Samdo and Mallam Abu Bayero
Mallam Aminu Kano and Mallam Abubakar Tafawa Balewa
Mallam El'Rufai and Mallam Ado Bayero
Mallam Sanusi Lamido Sanusi and Mallam Atikun Abubarka
18.State 2 versions of origin of the yoruba people
Rev.Samuel jackson & Akinjogbin version
Ote Okamfe's & Ayandele version
Rev.Samuel jackson & Oke Oramfe version
Rev Samuel johnson & Oke Oramfe version
19.The British government's amalgamation of Lagos colony & protectorate with the protectorate of southern Nigeria formed______
The Colony & Protectorate of Mixed Nigeria
The Colony & Protectorate of Nigeria
The Colony of West-Southern Nigeria
The colony & Protectorate of Southern Nigeria
20.The first Europeans arrived in Nigeria through _______kingdom
Rivers
Bini
Oduduwa
Bornu
21.______ and _______ are some brave and courageous Nigerians that resisted the British usurpation of their independence and authority.
Jaja of Otondo and Nana of Itsekiri
Nana of Itsekiri and Attahiru of sokoto
Ovonramwen of Ekiti and Attahiru of Jegga
Jaja of Opobo and Attahiru of Jegga
22.The first ever amalgamation of the British in Nigeria was done in_____
May 1906
October 1960
June 1900
Sept 1906
23.After the Nigerian Independence _______ became the major economic factor in Nigeria
Commerce
Farming
Banking
petroleum
24.The Jukun are also known as ______
Kwararafa
Annang
Ekoi
Nupe
25.Dr.Nnamdi Azikiwe and Chief Obafemi Awolowo later joined the Nigerian Youth Movement (NYM) in _____
1937
1938
1939
1940
26.In Isoko and Urhobo the supreme God is called ______
Abasi
Egbesu
Oriste
Oghene
27.The supreme God in Itsekiri is called
Oritsenebuwe
Obong
Otunda
Olorun
28.The eastern part of the Igboland to Cameroonian border is occupied by the ____
Yakur
Tiv
Igala
Itsekiri
29.The socio-political organization of the traditional Igbo was based on
Education
Achievement
Friendship
Age grade
30.The Nupe,the Koto, and the Tiv constitute what is called
West African yam belt
East African corn belt
North
30.The Nupe,the Koto, and the Tiv constitute what is called
West African yam belt
East African corn belt
North African rice belt
Central African yam belt
31.The Niger-Delta people include the following except ______
Ijaw
Ibibio
Ndoki
Nupe
32.Traditional Africans believed that political authority was an act of God and the ______
Spirit
Man
Angel
Messiah
33.The process of acquiring citizenship of a state is known as ______
Nationalism
Nationalisation
Nigerialisation
Naturalization
34.Lord Frederick Lugard is best known as the ______ of the 1914 amalgamation
Mentor
Father
Protector
Divider
35.According to yoruba legend,the world was previosly covered in ______
Ice
Water
Fire
Smoke
36.The primary aim of the amalgamation was purely for ______ reasons
Party
Religious
Economic
Developmental
37.Abuja is known as the center of ______
Unity
Excellence
Nobility
Jurisdication
38.All the options are deities in Yorubaland except ______
Sango
Olokun
Obatala
Etudo
39.According to history, _____ is the orignal home of the Hausa people
Daura
Ibiaku
Lokoja
Agbo
40.The head of any typical Hausa migrant community is the ______
Sarki
Oba
Etubom
Emir
41.The most prominent newspapers that contributed seriously to the emergence of Nigerian nationalism is ______
The West African Pilot
The Guardian newspaper
The National Tribune
The Nigerian Mirror
42.Which of these is a classification of Bini society?
Perculiar
Autocracy
Nobility
Oba bini
43.The Action Group (AG) was founded in 1948 by ______ to defend the interest of the Yoruba.
Oba Sijuade
Obafemi Awolowo
Bola Tinunbu
Gani Fayewinmi
44.Which of these states was described as the 'hot bed' of the Islamic intellectualism and radicalism?
Kano
Abia
Benue
Kogi
45.On April 1,1939, the British government split the former Southern provinces into _____ and _____
Eastern and Western provinces
Eastern and Southern provinces
Northern and Southern provinces
Mid-western and Southern provinces
46.Identify 3 ethnic groups in southern Nigeria
Yoruba,Tiv,Itsekiri
Yoruba,Igbo, Ijaw
Hausa, Bini, Urhobo
Bini, Igbo, Calabar
47.The son of Oduduwa believed to have founded Oyo and also credited with establishing the present Benin monarchy is ______
Obatala
Oranmiyan
Oyomesi
Oduduwa II
48.The first true nationalist organization that emerged in Nigeria in 1936, was known as ______
The Nigerian Youth Movement (NYC)
The Nigerian Independence Movement(NIM)
The National Redemption Movement (NRM)
The National Liberation Movement (NLM)
49.The Guinea savanna constitute ____ as the economic preoccupation of Nigeria
Fishing
Farming
Craft
Cattle
50.The Igbos have a common political system based on _____
Autocratic nature
Acephalious nature
Centralization of power
Decentralization of power
51.The Oba was not only the civil head of state but also the _____
Committee Head
School Head
Religious Head
Clan Head
52.The head of any typical Hausa state has always been
Sarki
The Oba
The Etubom
The Obong
53.One of the 3 constitution that aided the final declaration of the Nigerian Independence was
The Richards Constitution of 1964
The McPherson Constitution 1951
The Lyttleton Constitution of 1974
The Lugard Constitution of 1914
54.Traditional Africans believed that political authority was an act of God and the spirit because ______
The rulers combined power
The priest-kings represents gods
Their priests were made kings
They represent God on earth
55.The major inhabitants of the rain forest region Nigeria are ______
Yoruba
Urhobos
Ibibios
Tivs
] 1. Determine the output frequency for a frequency division circuit that contains 12 flip-flops with an input clock frequency of 20.48mhz
(a) 10.24kmz
(b) 5khz
(c) 30.24hz
(d) 15khz
2. Which statement best describe the operation of a negative edge-triggered D flip-flop?
(a) The logic level at the D input is transferred to Q on NGT of CLK
(b) The output is always identical to the CLK input if the D input is high
(c) The Q output is always identical to the D input when CLK=PGT
(d) The Q output is always identical to the D input
3. Propagation delays time, tPLH is measured from the ……………..
(a) Triggering edge of the clock pulse to the high transition of the output
(b) Triggering edge of the clock pulse to the high to low transition of the output
(c) Present input to the low to high transition of the output
(d) Clear input to the high to low transition of the output
4. How is a j-k flip-flop made to toggle
(a)J=0, K=0
(b)J=1, K=0
(c)J=0, K=0
(d)J=1, K=1
5. How many flip-flop are in the 7475 1c
(a) 1
(b) 2
(c) 4
(d) 8
6. How many flip-flops are in the required to produce a divide-by-128 device
(a) 1
(b) 4
(c) 6
(d) 7
7. Which is not an altera primitive port identifier
(a) clk
(b) ena
(c) clr
(d) prn
8. The timing network that sets the output frequency of a 555 astable circuit contains
(a) Three astable resistors and used
(b) Two external resistors and two-external capacitors are used
(c) An external resistors and two-external capacitors are used
(d) No external resistor or capacitors is required
9. What is the difference b/w the enable inputs of the clock input of the 7474
(a) The 7475 is edge triggered
(b) The 7474 is edge triggered
10.The phenomenon of interpreting unwanted signals on J and K while (clock pulse) is high is called ……………
(a) Parity error checking
(b) Ones catching
(c) Digital discrimination
(d) Digital filtering
11. What is another name for a one-shot
(a) Menostable
(b) Multivibrator
(c) Bistable
(d) Astable
12. On a master-slave flip-flop when is the master enable.
· When the gate is low
· When the gate is High
· Both of the above
· Neither of the above
13.One example of the use of an S-R flip-flop is a
· Racer
· Astable oscillator
· Binary storage register
· Transition pulse generator
14.What is the difference between the 7476 and the 74 & 576
· The 7476 is master-slave, the 741576 is master slave
· The 7476 is edge-triggered, the 741576 is edge-triggered
· The 7474 is edge triggered, the 741576 is master-slave
· The 7474 is master-slave, the 741576 is-slave, the 741576 is edge-triggered
15.With regard to a D catch, …………………..
· The Q output follows the D input when EN is low
· The Q output is opposite the D input when EN is low
· The Q output follows the D input when EN is High
· The Q output flow is High regardless of SN’s input state
16. How can the cross-coupled NAND flip-flop be made to have active-high S-R inputs.
· It can’t be done
· Invert the Q outputs
· Invert the S-R inputs
17.When is a flip-flop said to be transparent.
· When the Q output is opposite the input
· When the Q output follows the input
· When you can see through the IC packaging
· When the Q input follows the output
18.A 555 operating as a multivibrator has R, of 1Mn Determine C for a pulse width of 25.
· 1.8 uf
· 18f
· 18gf
· 18nf
19.Master-slave J-X flips are called pulse triggered or level-triggered devices be clock pulse is at low level.
· True
· False
20.Which of the following is correct for D catch
· The output toggles if one of the inputs is held high
· Q outputs follows the input D when the enable is high
· Only one of the inputs can be High at a time
· The output complement follows the input when enabled
21.A J-K flip-flop is in a “nochange” condition when ……………
· J=1, K=1
· J=1, K=0
· J=0, K=1
· J=0, K=0
22.A correct output is achieved from a master slave J.K flip-flop only if input are stable while the…………..
· Clock is low
· Slave is transforming
· Flip-flop is reset
· Clock is High
23.Which of the following describes the operation of a positive edge-triggered D flip-flop.
· If both inputs are high , the output will toggle.
· The output will follow the input on the leading edge of the clock
· When both inputs are low,an invalid state exists.
· The input is toggled into the flip-flop on the leading edge of the trailing edge of the clock.
24. What does the triangle on the clock input of a J-k flip-flop mean
· Level enabled
· Edge triggered
25.A J-k flip-flops with J=1 and K=1 has a 20khz input. The output is ……………..
· Constantly
· Constantly high
· A 10khz square wave
26.The toggle condition in a master-slave J-K flip-flop means that Q and Q’ will switch to their state(s) at the ……………
· Opposite, active clock edge
· Inverted, positive clock edge
· Quiescent, Negative clock edge
· Reset, synchronous clock edge
27.An Rc circuit used in a non-retriggerable 74(2) one shot has an REXT of 49kv,and a CEXT of 0.2uf. The pulse width (fw) is approximately ……………
· 6.9as
· 6.9ms
· 69ms
· 690ms
28.On a positive edge-triggered S-R flip-flop the outputs reflects the input condition when ……………
· The clock pulse is low
· The clock pulse is high
· The Clock pulse transitions from low to high
· The clock pulse transition from high to low
29.If an active high S-V catch a 0 on the S input and a 1 on the R input and when the R inputs goes to, the catch will be ……….
· Set
· Reset
· Clear
· Invalid
30.What is the hold condition of a flip-flop?
· Both S and R inputs activated
· No active S or R input
· Only S is active
· Only R is active
31.In VHDL, how many inputs will a primitive JK flip-flop have
· 2
· 3
· 4
· 5
32.A 555 operating as a monostable multivibrator has a G =0.01uf Determine R, for a pulse width of 2ms
· 200n
· 182kn
· 91kn
· 182n
33.AD flip-flop utilizing a PGT clock is in the clear state, Which of the following input actions will cause it to change states
· CLK = NGT, D = 0
· CLK = PGT< D = 0
· Clock NGT, D = 1
· Clock PGT, D = 1
34. The symbol on this flip-flop device indicates
· Triggering takes place on the negative-going edge of the CLK pulse.
· Triggering takes place on the positive-going edge of the CLK pulse
· Triggering can take place anytime during the high level of the CLK waveform
· Triggering can take place anytime during the low level of the CLK waveform.
35. In a 555time, where 5k or resistors gravite a trigger level of ………..
· ¼ Vcc and threshold level ½ Vcc
· 1/3 Vcc and a threshold level ¾ Vcc
· 1/3 Vcc and a threshold level 2/3 Vcc
· ¼ Vcc and a threshold level ¾ Vcc
36.Does the cross-coupled NOR flip-flop have active-high or active-low and reset inputs.
· Active-High
· Active-low
· Non of the above
· All of the above